Here are the numbers of calls received at a customer support service during 8 randomly chosen, hour-long intervals.
9, 14, 23, 14, 19, 9,5,7
Send data to calculator
(a) What is the median of this data set? If your answer is not 0
an integer, round your answer to one decimal place.
(b) What is the mean of this data set? If your answer is not an
integer, round your answer to one decimal place.
(c) How many modes does the data set have, and what are
their values? Indicate the number of modes by clicking in the
appropriate circle, and then indicate the value(s) of the
mode(s), if applicable.
0
OO
zero modes
O one mode: 0
two modes:
and

Answers

Answer 1

a) The median of the dataset is: 11.5

b) The mean of the dataset is: 12.5

c) The mode of the dataset is: 9 and 14

How to find the mean, median or mode?

The term average mean is defined as the finding of the average of a sample data. Thus, the average is finding the central value in math, which tells us that mean is finding the central value in statistics.

The numbers arranged in ascending order is:

5, 7, 9, 9, 14, 14, 19, 23

a) The median is defined as the middle term of the distribution when arranged in ascending or descending order. Thus, the median here is:

(9 + 14)/2 = 11.5

b) The mean of the data is expressed as:

(5 + 7 + 9 + 9 + 14 + 14 + 19 + 23)/8

= 12.5

c) The mode is the most frequently occurring term in the data.

In this case, the mode is 9 and 14

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Related Questions

Asap!!!! Solve the equation for v. v over 8 minus 4 equals negative 12 (18 points)
v = -128
v = -64
v = 16
v = 92

Answers

Answer:

v = -64

Step-by-step explanation:

First, you add 4 to both sides to isolate the variable term:

v/8 = -8

Next, you multiply both sides by 8 to isolate the variable on one side:

v = -64

So, the solution to the equation v/8 - 4 = -12 is v = -64.

Can someone help me fast!?!?
Trying to get better at doing these kinds of problems.

Graph the line -3x + 5y = 15
Which one would it be? This will help a lot :D

Answers

According to the question the  graph the line -3x + 5y = 15, we can start by solving for y:

-3x + 5y = 15

5y = 3x + 15

y = (3/5)x + 3

Define graph.  

As an algebraic framework that depicts a specific function by joining a collection of points, a graph is defined. It establishes a pairwise connection among the items. The graph is made up of nodes (vertices) linked by edges. (lines).

Briefing :

Now we have the equation in slope-intercept form (y = mx + b) where the slope is 3/5 and the y-intercept is 3.

To graph the line, we can start at the y-intercept (the point (0, 3)) and then use the slope to find additional points. Since the slope is 3/5, we can move up 3 units to the right 5 units to get to the point (5, 6), and down 3 units to the left 5 units to get to the point (-5, 0). Connect these points to get the line.

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In a graph, x represents the number of months since a business opened, and y represents the total amount of money the business has earned. The following three points are from the graph:

(2, 1990) (5, 4225) (9, 7205)

Find the slope and y-intercept. Explain what each represents.

Answers

Use first two points and the slope equation to find the slope:

m = (4225 - 1990)/(5 - 2) = 745

The slope is 745.

Use the first point and point-slope equation to find the y-intercept:

y - y₁ = m(x - x₁), where m- slope, (x₁, y₁) - the given pointy - 1990 = 745(x - 2)y - 1990 = 745x - 1490y = 745x - 1490 + 1990y = 745x + 500

The y-intercept is 500.

The slope of 745 represents the profit per month and the y-intercept of 500 represents the initial profit.

Omar Cuts A Piece of wrapping paper with the shape and dimensions as shown.Find The Area Of The Wrapping Paper.Round Your Answer To The Nearest Tenth Of Needed

Answers

Answer:

72.5 square inches

Step-by-step explanation:

See attachment.

The areas of the 2 shapes are in blue, but when added together:

60+12.5=72.5

Hope this helps!

A corporation earned a profit of $ 2.5 × 1 0 4 $2.5×10 4 for 200 days in a row. What was the corporation’s total profit during this time period? Express your answer in scientific notation.

Answers

Answer: hopefully the image helps

Step-by-step explanation:

Jerry has the following assets a house with equity of $15. 0. A car with equity of $2. 500, and household goods worth $6,000 (no single item over $400). He also has tools worth $5. 800 that he needs for his business. Using the federal list, the total amount of exemptions that Jerry would be allowed is $____. 0. Using the state list, the total amount of exemptions that jerry would be allowed is $____. 0.


00. Using the state list the total amount of exemptions that Jerry would be allowed is s
. 0. The state


list will be more favorable for him


tially Connect

Answers

Under the federal list, the total amount of exemptions that Jerry would be allowed is $27,900.

Under the state list, the total amount of exemptions that Jerry would be allowed is $37,500.

What are the exemptions?

Under the federal list, Jerry's exemptions can only be be:

Equity in home:                     $15,000

Motor vehicle:                        $2,400

Household goods:                  $8,000

Tools (for debtor’s trade):       $1,500

Total exemptions              =   $27,900

Under the state list, Jerry's exemptions can only be be

Equity in home:                               $25,000

Motor vehicle:                                $1,500

Household goods:                          $6,000

Tools:                                               $5,000

Total exemptions =                       $37,500

Based on the above, the state list can be more favorable for Jerry as it will give him  a lot of exemption a higher total value of assets.

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See full question below

Computing Exemptions Under Chapter 7 Bankruptcy

Assume the current federal bankruptcy exemptions are listed at the left, and the state exemptions are

listed at the right. The debtor may use the exemption table that best benefits him or her. For the two

circumstances shown below, compute the exemption amounts and decide which will be better for the

debtor—the federal list or the state list.

LIST A. FEDERAL EXEMPTIONS

Equity in home .......................................$15,000

Motor vehicle .............................................2,400

Household goods .......................................8,000

($400 limit for a single item)

Jewelry .......................................................1,000

Other property ..............................................800

Tools (for debtor’s trade) ...........................1,500

LIST B. STATE EXEMPTIONS

Equity in home ....................................... $25,000

Motor vehicle ............................................. 1,500

Household goods ..................................... 10,000

($1,000 limit for a single item)

Jewelry .......................................................... 500

Other property .............................................. 100

Tools ........................................................... 5,000

1. Jerry has the following assets: a house with equity of $15,000, a car with equity of $2,500, and household goods worth $6,000 (no single item over $400). He also has tools worth $5,800 that he needs for his business. What is the total amount of exemptions Jerry would be allowed using the federal list? The state list? Which list will be more favorable for him? SHOW YOUR WORK!

Ello beautiful people how are you doing today and wyd this weekend

Answers

Hello beautiful people! I hope you're all doing well today. As for me, I'm feeling great and ready for the weekend! I plan on spending some quality time with my loved ones, exploring new places, and trying out new activities.

I believe that weekends are meant for rest, relaxation, and rejuvenation, so I'm looking forward to taking a break from my busy work schedule.

One of the things I love about weekends is the opportunity to disconnect from the stresses of everyday life and focus on things that bring me joy. Whether it's going for a hike, trying out a new recipe, or catching up with friends over a cup of coffee, there's always something to look forward to.

this weekend I plan on making the most of my free time by doing things that make me happy and help me recharge. I hope you all have a great weekend as well, and that you find time to do the things you love with the people you care about. Remember, life is short, so let's make the most of every moment we have!

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El 91 no es un número primo porque tiene más divisores que el 1 y el 91 verdadero o falso

Answers

The statement''El 91 no es un número primo porque tiene más divisores que el 1 y el 91''  is true because  91 is not a prime number.

A prime number is a positive integer that has only two divisors, 1 and itself. To check if 91 is a prime number, we need to find its divisors. We can start by dividing 91 by 2, but we find that 2 is not a divisor of 91. Next, we can try dividing it by 3, and we get 30 with a remainder of 1. This means that 3 is not a divisor of 91 either.

We continue dividing by 4, 5, 6, and so on until we reach 13, which gives us 7 as a quotient and 0 as a remainder. Therefore, the divisors of 91 are 1, 7, 13, and 91, which means that 91 is not a prime number because it has more than two divisors. Hence, the statement is true.

91 ÷ 2 = 45 r 1

91 ÷ 3 = 30 r 1

91 ÷ 4 = 22 r 3

91 ÷ 5 = 18 r 1

91 ÷ 6 = 15 r 1

91 ÷ 7 = 13 r 0

Since 91 has more than two divisors, it is not a prime number.

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A baseballâ player's batting average is 0. 343â, which can be interpreted as the probability that he got a hit each time at bat. â Thus, the probability that he did not get a hit is 1â0. 343=0. 657. Assume that the occurrence of a hit in any givenâ at-bat has no effect on the probability of a hit in otherâ at-bats. In oneâ game, the player had 5 âat-bats. What is the probability that he had 3 âhits? What expression can be used to calculate theâ probability?

Answers

0.135 or 13.5%  is the probability that he had 3 âhits

The probability that the player had 3 hits in 5 at-bats can be calculated using the binomial probability formula, which is:

P(x) = (nCx) * p^x * (1-p)^(n-x)

where:
- P(x) is the probability of getting x hits
- n is the number of at-bats (in this case, 5)
- x is the number of hits we want to find the probability for (in this case, 3)
- p is the probability of getting a hit in one at-bat (in this case, 0.343)
- (1-p) is the probability of not getting a hit in one at-bat (in this case, 0.657)

Plugging in the values, we get:

P(3) = (5C3) * 0.343^3 * 0.657^(5-3)
P(3) = (10) * 0.039304527 * 0.4305961
P(3) = 0.134912947

Therefore, the probability that the player had 3 hits in 5 at-bats is approximately 0.135 or 13.5%.

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Integrate fover the given curve. f(x,y) = x+ y, C: x^2 + y^2 = 4 in the first quadrant from
(2,0) to (0,2)

Answers

The integral of f(x, y) = x + y over the given curve is 8.

To integrate the function f(x, y) = x + y over the curve C: x² + y² = 4 in the first quadrant from (2, 0) to (0, 2), we will use the line integral. Since the curve is a circle, we can parameterize it using polar coordinates as follows:

x = 2cos(θ)
y = 2sin(θ)

Now, let's find the derivatives:

dx/dθ = -2sin(θ)
dy/dθ = 2cos(θ)

Next, we substitute x and y in f(x, y):

f(x, y) = 2cos(θ) + 2sin(θ)

Now, we can set up the line integral:

∫[f(x, y) * ||dr/dθ||]dθ

Since ||dr/dθ|| = sqrt((-2sin(θ))^2 + (2cos(θ))^2) = 2, the line integral becomes:

∫[2cos(θ) + 2sin(θ)] * 2 dθ

To find the limits of integration, we can use the points (2, 0) and (0, 2). In polar coordinates, these points correspond to θ = 0 and θ = π/2.

So, the line integral becomes:

∫[4cos(θ) + 4sin(θ)]dθ from 0 to π/2

Now, we can integrate and evaluate:

[4sin(θ) - 4cos(θ)] from 0 to π/2 = [4(1) - 4(0)] - [4(0) - 4(1)] = 8

Thus, the integral of f(x, y) = x + y over the given curve is 8.

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The Anderson family went on a trip to see the Paul Bunyan and Blue Ox statue near Lake Bemidji. It took the family 6 hours to travel 330 miles to the statue. What was the Anderson family's average miles per hour (mph)?


btw I don't know how to mark people brainiest so if you tell me how I will to if you help me.

Answers

Answer: The Anderson’s family average miles per hour, otherwise known as mph is 55/1 (meaning 55 miles per hour).
Explanation: You can divide 330 by 6 to get your answer for how many miles they drive in one our. After you do the division, you should end up with 55 mph. So, the Anderson’s family mph is 55.




how many shortest lattice paths start at (2, 2) and



a) end at (11, 11) and pass through (8, 10)?



b) end at (11,11) and avoid (8,10)

Answers

A.  The number of shortest lattice paths from (2, 2) to (11, 11) that pass through (8, 10) is 28 * 4 = 112.

B. The number of shortest lattice paths from (2, 2) to (11, 11) that avoid (8, 10) is the total number of paths minus the number of paths that pass through (8, 10), which is 48620 - 112 = 48508.

What is combinatorics?

Combinatorics is a branch of mathematics that deals with counting and arranging the possible outcomes of different arrangements and selections of objects.

For part (a), the number of shortest lattice paths from (2, 2) to (11, 11) that pass through (8, 10) is given by the product of the number of shortest lattice paths from (2, 2) to (8, 10) and from (8, 10) to (11, 11).

To find the number of shortest lattice paths from (2, 2) to (8, 10), we can count the number of ways to choose 6 steps up out of 8 total steps (the remaining 2 steps are to the right), which is 8 choose 6 = 28.

Similarly, the number of shortest lattice paths from (8, 10) to (11, 11) is the number of ways to choose 1 step up out of 4 total steps (the remaining 3 steps are to the right), which is 4 choose 1 = 4.

Therefore, the number of shortest lattice paths from (2, 2) to (11, 11) that pass through (8, 10) is 28 * 4 = 112.

b) To find the number of shortest lattice paths from (2, 2) to (11, 11) that avoid (8, 10), we can use the principle of inclusion-exclusion.

Let's first count the number of shortest lattice paths from (2, 2) to (11, 11) without any restrictions. Since we can only move up or to the right, the number of such paths is the number of ways to choose 9 steps up out of 18 total steps (the remaining 9 steps are to the right), which is 18 choose 9 = 48620.

Next, we count the number of shortest lattice paths from (2, 2) to (11, 11) that pass through (8, 10). Using the method described in part (a), we found that the number of such paths is 28 * 4 = 112.

Therefore, the number of shortest lattice paths from (2, 2) to (11, 11) that avoid (8, 10) is the total number of paths minus the number of paths that pass through (8, 10), which is 48620 - 112 = 48508.

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Determine the unique solution, y(x), to the differential equation that satisfies the given initial condition. dy/dx = 8x⁷/y⁴, y(0) = 4
y(x) = ...

Answers

The unique solution, y(x), to the given differential equation with initial condition y(0) = 4 is

:
y(x) = [-(6x⁸ - 64)]¹/³

Determine the unique solution?

To determine the unique solution, y(x), to the given differential equation with initial condition y(0) = 4, we first need to separate the variables and integrate both sides with respect to x and y, respectively.

dy/y⁴ = 8x⁷ dx

Integrating both sides, we get:

-1/3y³ = 2x⁸ + C

where C is the constant of integration.

Now we can use the initial condition y(0) = 4 to solve for C:

-1/3(4)³ = 2(0)⁸ + C

C = -64/3

Substituting C back into the previous equation, we get:

-1/3y³ = 2x⁸ - 64/3

Multiplying both sides by -3 and taking the cube root, we get:

y(x) = [-(6x⁸ - 64)]¹/³

Therefore, the unique solution, y(x), to the given differential equation with initial condition y(0) = 4 is:

y(x) = [-(6x⁸ - 64)]¹/³

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2 A model of (CH₂O)4 was created using colored beads. Carbon atoms were
represented by black beads, hydrogen atoms by red beads, and oxygen atoms
by blue beads. Which of the following combinations of beads shows an accurate
model of (CH₂O)4?
A 4 black, 8 red, and 4 blue
B 1 black, 2 red, and 1 blue
C 4 black, 6 red, and 4 blue
D
1 black, 8 red, and blue

Answers

The correct number of beads is; 4 black, 8 red, and 4 blue. Option A

What is a molecular model?

A molecular model is a depiction of molecules or chemical compounds made physically, visually, or mathematically in order to comprehend their behavior and characteristics. These models can range from real models made of plastic or metal to computer-generated graphics or mathematical formulae, and they can be straightforward or sophisticated.

There are four carbon atoms, eight hydrogen atoms and four oxygen atoms.

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Gabby had 578
7
8
yards of fabric. she used 3215
2
15
yards of fabric. estimate the amount of fabric gabby has left.

Answers

The same method of subtracting the amount of fabric used from the amount she started with to estimate the amount of fabric Gabby has left.

How to estimate the amount of fabric Gabby has left?

To estimate the amount of fabric Gabby has left, we can subtract the amount of fabric she used from the amount she started with:

57878 - 3215215 ≈ -3157337

However, we can see that this result is negative, which doesn't make sense in the context of the problem. It's not possible for Gabby to have negative yards of fabric left.

It's likely that there was a mistake in the problem statement or in the numbers given. If the problem were corrected, we could use the same method of subtracting the amount of fabric used from the amount she started with to estimate the amount of fabric Gabby has left.

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what is the product of -5 and -10 sign and result

Answers

Answer:

50, positive

Step-by-step explanation:

(-5) * (-10) = 50

When a negative multiplies by another negative, the answer is positive

So, the answer is 50 and the sign is positive

Solve for x WILL MAKE BRAINLIEST QUESTION IN PHOTI ALSO

Answers

The measure of x in the intersected chord is 16.

How to find the angle in an intersected chord?

If two chords intersect in a circle, then the measure of the angle formed is one half the sum of the measure of the arcs intercepted by the angle and its vertical angle.

Using the chord intersection angle theorem,

5x - 7  = 1 / 2 (119 + 27)

5x - 7 = 1 / 2 (146)

5x - 7 = 73

add 7 to both sides of the equation

5x - 7 = 73

5x - 7 + 7 = 73 + 7

5x = 80

divide both sides of the equation by  5

x = 80 / 5

x = 16

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Un árbol ha sido roto por el viento de tal manera que sus dos partes forman un triángulo rectángulo. la parte superior tiene una longitud de 10 m, y la distancia medida sobre el piso hasta la cúspide del árbol es de 6 m. hallar la altura que tenía el árbol.

Answers

Se puede utilizar el teorema de Pitágoras para resolver este problema. Si se considera que la altura del árbol es la hipotenusa del triángulo rectángulo,

entonces la parte superior de la parte rota del árbol es uno de los catetos, y la distancia medida sobre el piso hasta la cúspide del árbol es el otro cateto.

Por lo tanto, se tiene que:

[tex]altura^2 = cateto1^2 + cateto2^2[/tex]

Reemplazando los valores conocidos, se tiene:

[tex]altura^2 = 10^2 + 6^2[/tex]

[tex]altura^2 = 136[/tex]

Tomando la raíz altura^2 = 136, se obtiene:

[tex]altura = √136[/tex]

altura ≈ 11.66 m

Por lo tanto, la altura que tenía el árbol antes de ser roto por el viento es de aproximadamente 11.66 metros.

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Using the formulas, answer the question.
A = P(1 + =)nt
A = Pert
Ted invests $500 in an account that compounds interest quarterly with a 3.5%
rate. How much money will he have after 15 years? Round to the nearest
dollar.

Answers

Answer:

First, convert R as a percent to r as a decimal

r = R/100

r = 3.5/100

r = 0.035 rate per year,

Then solve the equation for A

A = P(1 + r/n)nt

A = 500.00(1 + 0.035/4)(4)(15)

A = 500.00(1 + 0.00875)(60)

A = $843.30

A = $843 (round-off)

To conserve water, many communities have developed water restrictions. The water utility charges a fee of $34, plus an additional $1.36 per hundred cubic feet (HCF) of water. The recommended monthly bill for a household is between $60 and $85 dollars per month. If x represents the water usage in HCF in a household, write a compound inequality to represent the scenario and then determine the recommended range of water consumption. (Round your answer to one decimal place.

Answers

60 ≤ 1.36x + 34 ≤ 85; To stay within the range, the usage should be between 19.1 and 37.5 HCF.

Hown to write the inequality

The correct compound inequality to represent the scenario is:

60 ≤ 1.36x + 34 ≤ 85

To solve for x, we need to isolate it in the middle of the inequality:

60 - 34 ≤ 1.36x ≤ 85 - 34

26 ≤ 1.36x ≤ 51

Finally, we divide by 1.36 to isolate x:

19.12 ≤ x ≤ 37.5

Therefore, the recommended range of water consumption is between 19.1 and 37.5 HCF. The answer is (D) 60 ≤ 1.36x + 34 ≤ 85; To stay within the range, the usage should be between 19.1 and 37.5 HCF.

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complete question

To conserve water, many communities have developed water restrictions. The water utility charges a fee of $34, plus an additional $1.36 per hundred cubic feet (HCF) of water. The recommended monthly bill for a household is between $60 and $85 dollars per month. If x represents the water usage in HCF in a household, write a compound inequality to represent the scenario and then determine the recommended range of water consumption. (Round your answer to one decimal place.)

60 ≤ 1.36x − 34 ≤ 85; To stay within the range, the usage should be between 69.1 and 87.5 HCF.

60 ≤ 1.36x − 34 ≤ 85; To stay within the range, the usage should be between 44.1 and 87.5 HCF.

60 ≤ 1.36x + 34 ≤ 85; To stay within the range, the usage should be between 37.5 and 44.1 HCF.

60 ≤ 1.36x + 34 ≤ 85; To stay within the range, the usage should be between 19.1 and 37.5 HCF.

Mr. Vega is going to buy a blue tractor that weighs 3/5 of a ton or a red tractor weighs 4/6 of a ton. Which tractor is heavier

Answers

The red tractor is heavier.

To determine which tractor is heavier, Mr. Vega needs to compare the weights of the blue and red tractors. The blue tractor weighs [tex]\frac{3}{5}[/tex] of a ton, and the red tractor weighs [tex]\frac{4}{6}[/tex] of a ton.

First, we need to simplify the fractions if possible. In this case, we can simplify the red tractor's fraction by dividing both the numerator and denominator by 2:
[tex]\frac{4}{6} = \frac{\frac{4}{2} }{\frac{6}{2} } = \frac{2}{3}[/tex]

Now we can compare the simplified fractions:
[tex]Blue tractor: \frac{3}{5}[/tex]
[tex]Red tractor: \frac{2}{3}[/tex]

To compare these fractions, we can find a common denominator. The least common multiple of 5 and 3 is 15. To convert the fractions to the same denominator, we multiply the numerators and denominators by the necessary factors:

[tex]Red tractor: (\frac{2}{3}) (\frac{5}{5}) = \frac{10}{15}[/tex]

[tex]Blue tractor: (\frac{3}{5}) (\frac{3}{3}) = \frac{9}{15}[/tex]

Now we can easily compare the weights:
[tex]Blue tractor: \frac{9}{15}[/tex]

[tex]Red tractor: \frac{10}{15}[/tex]


Since [tex]\frac{10}{15}[/tex] is greater than [tex]\frac{9}{15}[/tex] , the red tractor is heavier.

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One gallon of paint covers 50 square feet. A wall that measures 32 feet by 16 feet is going to be painted.

Area of Wall:


How many gallons of paint will it take?


If paint costs $27 per gallon, how much money will it take to paint the wall?

Answers

Answer:

10.24 gallons

$276.48

Step-by-step explanation:

The area of the wall can be calculated by multiplying the length and height of the wall:

Area of wall = length x height = 32 x 16 = 512 square feet

To calculate the number of gallons of paint needed, we need to divide the area of the wall by the coverage of one gallon of paint:

Number of gallons of paint = Area of wall / Coverage of one gallon of paint

Number of gallons of paint = 512 / 50

Number of gallons of paint = 10.24

Therefore, it will take approximately 10.24 gallons of paint to paint the wall.

To calculate the cost of the paint, we need to multiply the number of gallons of paint by the cost per gallon:

Cost of paint = Number of gallons of paint x Cost per gallon

Cost of paint = 10.24 x $27

Cost of paint = $276.48

Therefore, it will cost $276.48 to paint the wall.

Now, take the square root of both sides of the equation (c^2 = n^2) and write the resulting equation. Is there any way for this equation to be true? How?




Only answer if you can properly answer

Answers

Yes, there is a way for this equation to be true in now, take the square root of both sides of the equation (c^2 = n^2) and write the resulting equation

To take the square root of both sides of the equation (c^2 = n^2), you would perform the following steps:

1. Take the square root of both sides:
√(c^2) = √(n^2)

2. Simplify the square roots:
c = n

The resulting equation is c = n.

This equation can be true if both c and n have the same value. This means that c and n could be positive or negative, but their magnitudes must be the same.

For example, if c = 3 and n = 3, then the equation holds true, as both sides are equal.

Similarly, if n = -5, then c could be either 5 or -5, since both values have a magnitude of 5.

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AutoTrader would like to estimate the number of years owners keep the cars that they purchased as a new vehicle. The following data shows the age of seven vehicles that were sold for the first time by their owners. Using this sample, the 90% confidence interval that estimates the average age of cars sold for the first time is ________. Group of answer choices (2. 56, 10. 30) (5. 14, 7. 72) (1. 27, 11. 59) (3. 93, 8. 93)

Answers

The 90% confidence interval that estimates the average age of cars sold for the first time is (2.56, 10.30).

To calculate the confidence interval, we can use the formula:

CI =[tex]\bar{X}[/tex]  ± tα/2 * (s/√n)

where [tex]\bar{X}[/tex] is the sample mean, s is the sample standard deviation, n is the sample size, tα/2 is the critical value from the t-distribution table with (n-1) degrees of freedom and a confidence level of 90%.

Using the given data, we find that the sample mean is 6.43 years and the sample standard deviation is 2.69 years. With a sample size of 7, the critical value from the t-distribution table is 1.895.

Plugging in these values, we get:

CI = 6.43 ± 1.895 * (2.69/√7)

Simplifying this expression gives us the confidence interval (2.56, 10.30). Therefore, we can say with 90% confidence that the average age of cars sold for the first time is between 2.56 and 10.30 years.

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If the equation, in which n, m, and r are constants, is true for all positive values of a, b, and c, what is the value of n?

Answers

The value of n is 6

Given expression is            [tex]\frac{48a^{12}b^8c^{15}}{(2a^2bc^4)^3}=6a^nb^mc^r[/tex]

To find the value of n, we need to simplify the expression:

(48 × a¹² × b⁸ × c¹⁵) / (2 × a² × b × c⁴)³

First, we can simplify the denominator:

(2 × a² × b × c⁴)³ = 2³ × (a²)³ × b³ × (c⁴)³

= 8 × a⁶ × b³ × c¹²

(48 × a¹² × b⁸ × c¹⁵) / (8 × a⁶ × b³ × c¹²) = (8 × 6a⁶ × a⁶ × b⁵ × b³ × c₁₂ × c³) / (8 × a⁶ × b³ × c¹²)

Simplifying further, we get:

= 6 × a⁶ × b⁵ × c³

on comparing with R H S

a⁶ = aⁿ

So, n=6

Therefore, the value of n is 12, since that is the exponent of the variable "a".

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Given question is incomplete, the complete question is given below

For the expression below

[tex]\frac{48a^{12}b^8c^{15}}{(2a^2bc^4)^3}=6a^nb^mc^r[/tex]

If the equation, in which n, m, and r are constants, is true for all positive values of a, b, and c, what is the value of n?

A) Construct an appropriate tabular representation/summary of the random variable Number of years in operation and provide an interpretation.


b) Construct a cross-tabulation of the data on Daily Income and Type of service and provide an interpretation. Hint: Use a class width of N$ 500 for Daily Income.


c) Calculate and interpret relative measures of variability for the Daily Income for each of the three categories of Type of service

Answers



a) Tabular representation/summary of Number of years in operation:

The tabular representation of the random variable Number of years in operation can be a frequency table that lists the number of businesses or organizations that fall into different categories of years in operation. For example:

Number of Years in Operation Number of Businesses/Organizations
0-5 200
6-10 150
11-15 100
16-20 50
Over 20 25


Interpretation: This table shows the distribution of businesses or organizations by their number of years in operation. The majority of businesses have been in operation for 0-5 years, followed by 6-10 years. A smaller number of businesses have been in operation for 11-15 years, 16-20 years, or over 20 years.

b) Cross-tabulation of Daily Income and Type of service:

The cross-tabulation of Daily Income and Type of service can be a table that shows the number of businesses or organizations that fall into different categories of both variables. For example:

Type of Service Daily Income Number of Businesses/Organizations
A 0-500 50
A 501-1000 75
A 1001-1500 25
A 1501-2000 10
B 0-500 20
B 501-1000 50
B 1001-1500 70
B 1501-2000 30
C 0-500 10
C 501-1000 20
C 1001-1500 30
C 1501-2000 40

Interpretation: This table shows the distribution of businesses or organizations by both their daily income and type of service.

For example, we can see that among businesses that provide service type A, the majority (75) fall into the 501-1000 daily income category, while among businesses that provide service type B, the majority (70) fall into the 1001-1500 daily income category.

c) Relative measures of variability for Daily Income by Type of service:

To calculate and interpret relative measures of variability for Daily Income by Type of service, we can use measures such as the coefficient of variation (CV) or the interquartile range (IQR). For example, we can calculate the CV and IQR for each of the three types of service separately and compare them. A lower CV or IQR indicates lower variability or dispersion of the data.

Interpretation: For example, if the CV of daily income for type A is lower than the CV of daily income for type B and C, this indicates that businesses that provide type A service have lower variability in their daily income than those that provide type B or C service. Similarly, if the IQR of daily income for type B is higher than the IQR of daily income for type A and C, this indicates that businesses that provide type B service have higher variability in their daily income

Suppose 60 seventh-grade students were surveyed.


How many can be expected to say that bike riding is


their favorite hobby?


Please IM IN NEED OF HELP


thx

Answers

We need to make some assumptions. Let's assume that the survey allowed students to choose one favorite hobby and that bike riding was one of the options.

We also need to know the percentage of students who chose bike riding as their favorite hobby. If this information is not given, we cannot accurately estimate the number of students who would say that bike riding is their favorite hobby.

Suppose that 30% of the surveyed students chose bike riding as their favorite hobby. To find out how many students this represents, we can use the following formula:

Expected number of students = Percentage of students x Total number of students surveyed


Plugging in the values we have, we get:

Expected number of students who say bike riding is their favorite hobby = 0.30 x 60 = 18

Therefore, we can expect that approximately 18 of the 60 seventh-grade students surveyed would say that bike riding is their favorite hobby, based on the assumption that 30% of the students chose this option.

It's important to remember that this is just an estimate based on the information we have. The actual number may be different depending on the survey results.

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WILL MARK BRAINLIEST!!

Answers

The amount that Benjamin must save every month to pay off the discounted premium is $ 40. 80

The total premium for the year would be $ 637. 20

How to find the amount saved ?

The amount that Benjamin's discounted premium would come to for the year is:

= 1, 080 x ( 1 - 66 %)

= $ 367. 20

The amount he would need to save every month on deployment is :

= 367. 20 / 9

= $ 40. 80

His total premium would be :

= 367. 20 + ( 1, 080 / 12 x 3 months when he comes back )

= $ 637. 20

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Can someone help me asap? It’s due today

Answers

Step-by-step explanation:

the answer will be "15" according to the question.

In the relations v=u+at,findv,when u=6 a=10 t=2

Answers

The value of v in the equation is 26

How to calculate the value of v in the equation?

The equation is given as

v= u + at

The parameters given are

u= 6

a= 10

t= 2

v= 6 + 10(2)

v= 6 + 20

v= 26

Hence the value of v in the equation is 26

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