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[tex]q(x) = {x}^{2} - 3x - 4[/tex]
[tex]q(10) = ( {10})^{2} - (3 \times 10) - 4 [/tex]
[tex]q(10) = 100 - 30 - 4[/tex]
[tex]q(10) = 70 - 4[/tex]
[tex]q(10) = 66[/tex]
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Thus the correct answer is (( C )) .
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need help please due soon!
Ms. Sacco is investigating the habitats of various animals. She starts scuba diving off the shores of Mexico. She dives to a depth of 65 feet. The next day she climbs a mountain at an elevation of 500 feet. What is her change in elevation?
Answer:500 ft.-65 ft.=435 ft.
Step-by-step explanation:435 ft. is your answer because the change of elevation goes down which means you subtract so I subtracted 500-65=435 feet
Which is the measure of angle D?
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Sum of the interior angles of any triangle is 180° .
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Thus ;
[tex]In \: \: ∆ DEF→D + E + F = 180° \\ [/tex]
[tex]D + 77° + 31° = 180°[/tex]
[tex]D + 108° = 180°[/tex]
Subtract sides 108°
[tex]D + 108° - 108° = 180° - 108° \\ [/tex]
[tex]D = 72°[/tex]
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The correct answer is Option four .
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Fritz Benjamin buys a car costing $24600. He agrees to make payments at the end
of each monthly period for 6 years. He pays 7.2% interest, compounded monthly.
What is the amount of each payment? Find the total amount of interest Fritz will
pay.
Answer:
$525.62
$13,244.64
Step-by-step explanation:
A = P(1 + r/n)^nt
Where,
A = future value = ?
P = principal = $24,600
r = interest rate = 7.2% = 0.072
n = number of periods = 12
t = time = 6 years
A = P(1 + r/n)^nt
= 24,600(1 + 0.072/12)^12*6
= 24,600(1 + 0.006)^72
= 24,600(1.006)^72
= 24,600(1.5384)
= 37,844.64
12 months × 6 years = 72 months
Each monthly payment = Total payment / number of months
= $37,844.64 / 72
= $525.62
Total amount of interest = Total payment - Principal payment
= $37,844.64 - $24,600
= $13,244.64
A collector has 105 movie posters and 90 band posters. She wants to sell 28 movie posters but still have her poster collection maintain the same ratio of 105:90. If she sells 28 movie posters, how many band posters should she sell? Complete the explanation to find out how many band posters she should sell.
Answer:
24
Step-by-step explanation:
So, first subtract 105-28=77
Now simplify the ratio given. 105:90=21:18=7:6
So she has 77:90 right now. You want it to be 77:66 to fit the ratio.
She should sell 24 band posters.
A penguin walks 10 feet in 6 seconds. At this speed: How far does the penguin walk in 1 second?
Answer: 1.67 feet in 1 second
Step-by-step explanation: To find out how far the penguin walked in 1 second, you’ll have to divide 10 by 6 or use the ratio 10 : 6 and divide. You should get a final answer or result of 1.67 feet in 1 second.
*Tip: If you want to make sure your answer is correct, simply multiply your answer times 6, and see if it equals to 10 or is near 10.
Answer:
5/3 ft
Step-by-step explanation:
10 ft = 6s
x ft = 1s
cross multiply
10ft × 1s = 6s × x
{divide both sides by The coefficient of x (6x) }
(10 ft × s) ÷ 6s= x
10 ft ÷ 6 = x
5/3 ft = x
x = 5/3 ft
Select all the expressions that have a value of 180 when b = 4.
A . 87b−179+957÷87
B. 33b12
C. b2+120
D. 51b−24
E. 11b+187−2,756÷13
Answer:
A, and D
Step-by-step explanation:
If you go through all the problems, just replace "b" with "(4)" into a calculator. For A and D, they both equaled 180.
The expression that has a value of 180 when b = 4 is D. 51b−24
What is a numerical expression?A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.
87b - 179 + 957/87.
= 87(4) - 179 + 857/87.
= 348 - 179 + 9.85, will not be 180.
33b12, will not be 180 at b = 4.
b² + 120, will not be 180 at b = 4.
51b - 24.
= 51(4) - 24.
= 204 - 24.
= 180.
11b + 187 - 1756/13.
= 11(4) + 197 - 135.07, will not be 180 at b = 4.
learn more about numerical expressions here :
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If x < 5, then which of the following must be true?
Answer:what are the options
Step-by-step explanation:
A
B
C
D
Answer:
You have to put the following lol Give me the options and I'll answer
Step-by-step explanation:
A notebook that costs $0.75 to make in the factory is sold for $1.35.
a) Calculate the amount that the notebook price is marked up.
b) Calculate the percent markup
Answer:
a) price markup $0.60
b) percent marked up 180%
Step-by-step explanation:
Amount marked up:
1.35 - 0.75 = $0.60
Percent markup:
0.75x = 1.35
x = 1.8 or 180%
Kira solved the equation in the following way. 7 2 − 2x = 11 2 7 2 − 7 2 − 2x = 11 2 − 7 2 −2x ÷ −2 = 4 2 ÷ − 2 x = −1 Describe the properties of equality that Kira used. The first step is to use the property of equality to combine the constant terms. The second step is to use the property of equality to isolate the variable.
Answer:
the first step is to use the
✔ Subtraction
property of equality to combine the constant terms.
The second step is to use the
✔ Division
property of equality to isolate the variable
Step-by-step explanation:
edge 20 20
The first and second steps used by Kira to solve the equation are;
Subtraction Property of Equality and Division Property of Equality
Understanding Properties of Equality
What Kira wants to solve is;
72 - 2x = 11
The first step is to use the Subtraction property of equality to combine the constant terms. Thus;
72 - 2x - 72 = 11 - 72
-2x = -61
The second step is to use the Division property of equality to isolate the variable to get;
-2x/-2 = -61/-2
x = 61/2
Read more about properties of equality at; https://brainly.com/question/1601404
What is an equation of the line that passes through the points (5,8) and (-5,2)?
Put your answer in fully reduced form.
hi there! here's my answer for you...
Answer:
y = 3/5x + 5
Explanation:
Use the slope formula and slope-intercept form y = mx + b to find the equation.
hope this helped. have a good one!
Answer:
y=3/5x+5
Step-by-step explanation:
[tex]\frac{8-2}{5--5}= \frac{6}{10} =\frac{3}{5} \\\\8=\frac{3}{5} (5)+b\\\\b=5[/tex]
3(x+5)-10 = -2(x+10)
Answer:
x=−5
Step-by-step explanation:
calculator
what's the difference between a number divided by three and four is twenty into an equation
Yes Ther ya go ncalnflanfla
Give the domain and range of the relation.
Answer:
The domain is the set of all first elements of ordered pairs (x-coordinates). The range is the set of all second elements of ordered pairs (y-coordinates). Only the elements "used" by the relation or function constitute the range. Domain: all x-values that are to be used (independent values).
Step-by-step explanation:
it c
Solve kx + 7 = 4 for x.
Answer:
4
Step-by-step explanation:
Answer:
x= -3/k
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Classify each number below as an integer or not.
Answer:
43 - Yes
15/3 - No
15/11 - No
-93.98 - No
-136.94 - No
Hope This Helps!
Find x (Type the number answer)
Answer:
18.41
Step-by-step explanation:
[tex]x^{2} = 12^{2} + 8^{2} - 2(12)(8)(cos 133)\\\\x= \sqrt{338.94} = 18.41[/tex]
Robert bought a pair of shoes that were on sale for 30% off the original price of $79.95. Which is closest to the sale price of the pair of shoes?
Answer:
I think you are asking for the price Robert paid after the 30% off. There are two ways to do this. The first way is to find 30% of the full price and substract it from the full price or we could find 70% of the full price.
Lets make x the new price.
Step-by-step explanation:
First way:
x = 79.95 - (79.95 x 0.30)
x = 79.95 - 23.985
x = 55.965
(we round to the hundredth)
x = 55.97
Second way:
x = 79.95 x 0.70
x = 55.965
(we round to the hundredth)
x = 55.97
Please help! Forgot to do homework and I really need help! WORTH 30 POINTS!
Answer:
M=-4
A=-16
K=1
X=9
Q=-6
V=2
Please help me I will really appreciate it!!!
Answer:
t = [tex]\sqrt{\frac{-2(h-1)}{a} }[/tex]
Step-by-step explanation:
solve for t
h = -[tex]\frac{1}{2}[/tex]a[tex]t^{2}[/tex] + 1; multiply both sides by -2
-2h = a[tex]t^{2}[/tex] - 2; add 2 to both sides
-2h + 2 = a[tex]t^{2}[/tex]; divide by a
(-2h + 2) / a = [tex]t^{2}[/tex] ; take the square root
t = [tex]\sqrt{\frac{-2(h-1)}{a} }[/tex]
A bag contains lollipops and ring pops The ratio of lollipops to ring pops is 7 to 9. If there are 496 total pieces of candy in the bag. How many more ring pops are there than lollipops?
Answer:
Step-by-step explanation:
7:9
If you have 496 then you'll have 217:279, it adds up to 496.
279-217
62 more
its basically just percents y=85(1.25)=
Answer:
106.25
Step-by-step explanation:
y = 85(1.25) = 106.25
I'm not sure how to show the work, i just put it into a calculator
Using the graph below, what is the value of f(8)?
Answer:
0
Step-by-step explanation:
When a problem asks for the value of f(x), find the y value for the given x value. In this instance, since x = 8, y = 0.
From the graph the value of f(8) is 0.
what is Function?In mathematics, a function is represented as a rule that produces a distinct result for each input x. In mathematics, a function is indicated by a mapping or transformation. Typically, these functions are identified by letters like f, g, and h. The collection of all the values that the function may input while it is defined is known as the domain. The entire set of values that the function's output can produce is referred to as the range. The set of values that could be a function's outputs is known as the co-domain.
Given:
From the graph we have to find f(8)
This shows that the values of function at x=8
Now, focusing on the x- axis we have keep point on x= 8 then move and where the line touches the functional line we get the result.
Hence, from the graph the value of f(8) is 0.
Learn more about function here:
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Which expression below can Cynthia use to find the cost for a backage that weighs w pounds?
0. A. W + 3.50
O B. 3.50
w
O c. 3.50 - w
OD 3.50W
Answer:
A
Step-by-step explanation:
What is the square root for this numberZ
can someone help me with all three of these questions
Answer: x <4
Step-by-step explanation: Divide each term by 4 then simplify.
Answer:
x <4
Step by step explanation:
PLEASE HELP An algebraic ___ is a mathematical phrase
With numbers, variables, operations for days.
is it coefficient , expression or evaluate
Answer:
Expression
Step-by-step explanation:
The definition of an Algebraic Expression is this:
Algebra is an interesting and enjoyable branch of mathematics in which numbers, shapes, and letters are used to express problems.
It can not be an Algebraic Equation because that only includes one variable.
I Hope That This Helps! :)
If you are the smary , youll probably get this 0w0
Answer:
aww!! ok *grabs my notebook and start the work*
it is option 4! y = -2/3 x + 11/3
Step-by-step explanation:
happy to help
A turkey cost $1.05 per pound. There are going to be 15 people at the Thanksgiving dinner. Plan for each person to eat two, 3/8 pound servings for turkey. It takes 12 minutes per pound to cook a turkey and dinner is at 3:00 pm. How many minutes will it take to cook the turkey?
Answer:
It will take 135 minutes or 2 hours and 15 minutes
Step-by-step explanation:
What we need here is to get the total
amount in pounds of turkey to be cooked
each person eats 3/8 pound servings
Total pound per person would be 3/8 * 2 = 3/4 pound servings
From what we have, there are 15 people at the dinner,
The total pounds to cook will be
15 * 3/4 = 45/4 pounds
Per pound of turkey, it takes 12 minutes
For 45/4 pounds, it will take
45/4 * 12 = 135 minutes
Let us convert this to hours
That will be 2 hours and 15 minutes
Is -5.375 a rational number
Answer:
Irrational
Step-by-step explanation:
A rational number is a number that can be express as the ratio of two integers. A number that cannot be expressed that way is irrational.
