Answer:
x2+10=0A.B.C.D.
it is A because 0 can't enter into a letter if it can enter then it will be the same letter
Lan is shopping for new plants. She has 50 dollars and sees that plants are about $8 each. Write an inequality that shows that Lan will spend 50 dollars or less on plants. Do not include units in your inequality
please help
Answer:
50 - 8 = 42
Step-by-step explanation: 42 is the awnser
Answer:
8p <= 50
Step-by-step explanation:
Find the most appropriate units to measure John’s waist.
Each marble bag sold by Joe's Marble Company contains 8 orange marbles for every 5 red marbles. If a bag has 56 orange marbles, how many red marbles does it contain?
Step-by-step explanation:
Seriously Speaking Am as confused As ...
forgive me but my head is blank
A question on a test provides this graph and asks students to find the speed at which the car travels. Anna incorrectly says that the speed of the car is 1/64 mile per hour.
What is the speed of the car?
What error might Anna have made?
Answer:
A question on a test provides this graph
You, however, did not provide the graph.
Please repost the question along with the graph.
The speed is the rate of change of distance with respect to time thus the speed according to the graph will be 60 miles per hour so Anna interchanged distance and time by mistake.
What is the rate of change?The rate of change is the change of a quantity over 1 unit of another quantity.
Most of the time the rate of change is the change with respect to time.
For example the speed 3meter/second.
As per the given graph.
Speed = distance traveled / time taken
Speed = 60 / 1 miles per hour
But Anna says 1/60 this means Anna took time taken / distance traveled instant of distance traveled / time taken.
Hence "The speed is the rate of change of distance with respect to time thus the speed according to the graph will be 60 miles per hour so Anna interchanged distance and time by mistake".
To learn more about the rate of change here,
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4) Shreya's school is selling tickets to a fall musical. On the first day of ticket sales the school sold
13 adult tickets and 9 student tickets for a total of $138. The school took in $163 on the second
day by selling 3 adult tickets and 14 student tickets. Find the price of an adult ticket and the
price of a student ticket. Find the price of and adult ticket and the price of a student ticket?
Answer:
adult: $3student: $11Step-by-step explanation:
Let x and y represent the prices of adult and student tickets, respectively. Then the revenue equations are ...
13x +9y = 138
3x +14y = 163
Solving this using a graphing calculator, we find (x, y) = (3, 11).
The price of an adult ticket is $3; the price of a student ticket is $11.
_____
Algebraic solution
When the numbers are "messy," as they are here, I like to use the "cross-multiplication method" for solution. I find it easier to use the order 1, x, y, rather than the order x, y, 1 as shown in the second attachment. That way, the coefficients are in their original order, with the first coefficient repeated. Note the right-side constant must be subtracted to get the form ax+by+c = 0.
[tex]\begin{array}{cccc}13&9&-138&13\\3&14&-163&3\end{array}[/tex]
Then we have ...
1/(13·14 -3·9) = x/(9·(-163) -14·(-138)) = y/((-138)·3 -(-163)·13)
x = 465/155 = 3 . . . . price of an adult ticket
y = 1705/155 = 11 . . . price of a student ticket
Contestants A, B, C, and D are in a 10K race. How many different ways can a race with 4 runners be completed? (Assume there is no tie.) In how many ways can A finish first and C finish second? What is the probability that A finishes first and C finishes second? Enter a reduced fraction or decimal.
Using the arrangements formula and the probability concept, it is found that:
The race can be completed in 24 ways.A can finish first and C second in 2 ways.[tex]\frac{1}{12}[/tex] probability that A finishes first and C finishes second.The number of possible arrangements of n elements is given by:
[tex]A_n = n![/tex]
A probability is the number of desired outcomes divided by the number of total outcomes.
In this problem, there are 4 runners, hence, the number of different ways the race can be completed is:
[tex]A_4 = 4! = 24[/tex]
Considering A first and C second, for the third and fourth positions, it is an arrangement of 2 elements, hence:
[tex]A_2 = 2! = 2[/tex]
The probability is:
[tex]p = \frac{2}{24} = \frac{1}{12}[/tex]
[tex]\frac{1}{12}[/tex] probability that A finishes first and C finishes second.
A similar problem is given at https://brainly.com/question/24648661
It takes 14 electricians 18 days to wire a new housing subdivision. How many days would it take 24 electricians to to the same job?
Answer:
10.5 days
Step-by-step explanation:
Which graph represents Y as a function of X ?
Answer:
Which graph represents Y as a function of X ?
step-by-step explanation:
a. The graph of y = 2x represents a transformation of the parent function, y = x, which makes the graph twice as steep.
b. The graph of y = 2x represents a transformation of the parent function, y = x, which makes the graph half as steep.
c. The graph of y = x represents a transformation of the parent function, y = 2x, which makes the graph half as steep.
d. The graph of y = x represents a transformation of the parent function, y = 2x, which makes the graph twice as steep.
This model represents a fraction
Answer:
yes it represents a fraction
Step-by-step explanation:
hope it helps:) and mark me as brainliest please because i really need it
[tex] \: \: \: \: \: [/tex]
A fraction area model shows a whole shape split into equal parts.example
Count the number of equal parts in the whole shape. Write this number as your. denominator.hope it helps[tex] \: \: \: \: \: [/tex]
Leslie purchased on of a kilogram of salted almonds and 3 kilograms of Jordan almonds. What was the total cost? salted almonds honey-roasted almonds $2.44 per kilogram $2.68 per kilogram $1.92 per kilogram $2.58 per kilogram Jordan almonds chocolate-covered almonds $
Answer:
To find the average price of all 4 pies, we have to know the price of all 4 pies. You have only given the price of 3 of the pies, so there is no way to figure the average. The best you can do in this case is say that the peach pie costs (6 + 7 + 11 + X) / 4 dollars, where X is the cost of the peach pie.
I think you meant to say that the peach pie cost the average of the prices of the other three pies. In which case, it costs (6 + 11 + 7) / 3, or $8.00.
Step-by-step explanation:
A farmer produces 9 tons of nuts from 10 1/2 acres of land. how many acres of land will she needs to produce 24 tons of nuts?
21 acres
27 acres
28 acres
33 acres
The acres of land she will need to produce 24 tons of nuts is 28 acres.
The farmer produces 9 tons of nuts from 10 1 / 2 acres of land.
The acres of land needed to produce 24 tons of nuts can be calculated below:
9 tons of nuts needs 10 1 / 2(21 / 2) acres of land
24 tons of nuts will need ? acres of land
cross multiply
Acres of land needed = 24 × 21 / 2 / 9
Acres of land needed = 252 / 9
Acres of land needed = 28 acres
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What is the domain of the graph for the data set?
1976
5.027 < domain < 15.485
1908 < domain < 1981
any year in the twentieth century
our answer choices are a bit different so i'm assuming our data set is as well. but my correct answer was my third option, which was 1908 ≤ domain ≤ 1996, so i'm assuming it will be the third option for you as well.
next time include everything that is needed to answer the question so you can actually get your answer. for this you need a data set.
the data set for me is attached below. it shows the annual consumption of cheese per person in the United States for selected years in the twentieth century.
what is 7*8 + (9-7)=
Answer:
58
Step-by-step explanation:
7 x 8 + (9 - 7)
=> 7 x 8 + 2
=> 56 + 2
=> 58
Therefore, 58 is our answer
Answer:
58
Step-by-step explanation:
7*8+(9-7)=
7*8+2
56+2
58
WILL MARK BRAINLIEST
solve for X
[tex]x = 47[/tex]
Step-by-step explanation:
The 3rd interior angle of the triangle can be written as
[tex]\angle{3} = 180 - 45 - x = 135 - x[/tex]
The angle above is supplementary to the angle (2x - 2), therefore
[tex](135 - x) + (2x - 2) = 180 \Rightarrow 133 + x = 180[/tex]
Solving for x, we get
[tex]x = 47[/tex]
What is the recirpocal of 21/32
Find the maximum value of
P = x + 6y
subject to the following constraints:
(2x + 4y < 10
X + 9yes 12
X>0
yo
P = ?
How many milliliters of pure acid must be added to 50 milliliters of a 40% acid solution to obtain a 50% acid solution?
Answer:
2.5 ml
Step-by-step explanation:
10% of the acid would be 2.5 ml so you'd have to add that to add the extra percent
What is the range of the function shown in this table?
х
f(x)
-5
-20
0
-10
2.
2
-6
ол
5
0
A. {-20, -10, -6,0}
B. {-5,0, 2, 5)
C. (-5, -20)
D. (0, -10)
its A. i think i had this question, i cant remember but i know its A.
identify the slope (m) in the following equation: y= -2x + 4
Answer:
m=-2
Step-by-step explanation:
The slope equation is y=mx+b.
This means that
y is y
m is -2
x is x
and
b is 4
3-(4x-5)+6 what would this be ?
Answer:
the answer is:
−4x+14
Step-by-step explanation:
Simplify the expression.
Answer:
− 4 x + 14
Step-by-step explanation:
ummm sry not rly sure
Mn = 0 · 1 + 1 · 2 + 2 · 3 + 3 · 4 +……..+ (n - 1) · n
Find an explicit formula for calculating the sum Mn
The explicit formula for calculating the sum is
[tex]S_N=\frac{n(n-1)}{2} \cdot\frac{n(n+1)}{2}[/tex]
The sum of the nth term of a sequence is expressed as;
[tex]S_n=\frac{n}{2}(2a+(n-1)d)[/tex]
a is the first term
d is the common difference
n is the number of terms
For the sequence 0 + 1 + 2 + 3 +...
[tex]S_n=\frac{n}{2}(2(0)+(n-1)1)\\S_n= \frac{n}{2}(n-1)\\S_n= \frac{n(n-1)}{2}[/tex]
Similarly for the sequence:
1 + 2+ 3 + 4+...
[tex]S_n=\frac{n}{2}(2(1)+(n-1)1)\\S_n= \frac{n}{2}(2+n-1)\\S_n= \frac{n(n+1)}{2}[/tex]
Taking the product of the sum to get the explicit formula for calculating the sum
[tex]S_N=\frac{n(n-1)}{2} \cdot\frac{n(n+1)}{2}[/tex]
Learn more here: https://brainly.com/question/24547297
Air pressure may be represented as a function of height (in meters) above the
surface of the Earth, as shown below.
-0.000122
e
P(h) = P.
In this function, P. is the air pressure at the surface of the Earth, and his the
height above the surface of the Earth, measured in meters. At what height will
the air pressure equal 50% of the air pressure at the surface of the Earth?
A. 4166.7 m
B. 2148.9 m
C. 5776.2 m
D. 0.59 m
SUBMIT
Answer:
try kopo
Step-by-step explanation:
b po ba 2148.9 ayn po pabrainless po 5x para maging vertouso na ko pls
At the height of 2467.2 meters from the earths surface, the air pressure equals 50% of the air pressure at the surface of the Earth.
What is function?A function is a relation between a dependent and independent variable. We can write the examples of functions as -
y = f(x) = ax + b
y = f(x, y, z) = ax + by + cz
Given is that air pressure may be represented as a function of height (in meters) above the surface of the Earth, as shown below -
P(h) = P[tex]e^{-0.000122h}[/tex]
where {P} is the air pressure at the surface of the Earth, and his the height above the surface of the Earth, measured in meters.
For 50% of the air pressure at the surface of the Earth, we can write -
50P/100 = P[tex]e^{-0.000122h}[/tex]
1P/2 = P[tex]e^{-0.000122h}[/tex]
1/2 = [tex]e^{-0.000122h}[/tex]
- 0.000122h = log(1/2) = - 0.301
h = - 0.301/- 0.000122
h = 2467.2 meters
Therefore, at the height of 2467.2 meters from the earths surface, the air pressure equals 50% of the air pressure at the surface of the Earth.
To solve more questions on functions, visit the link below-
https://brainly.com/question/30194223
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What’s the sum of c and twice d?
Answer:
The sum of c and twice d is
c + 2d
-TheUnknownScientist 72
At San Diego State University, Webber Hall is located 35 meters west and 55 meters south of the Student Union. Aztec Hall is located 42 meters east and 30 meters south of the Student Union. How far is Webber Hall from Aztec Hall? Round to the nearest tenth..
Answer: 20
Step-by-step explanation:
55+35=90
42+30=72
90-72=18 (close to 20)
9.
Write an equation for the translation of y = |x|.
16.5 units right
A. y = |x + 16.5|
B. y = |x| + 16.5
C. y = |x| – 16.5
D. y = |x – 16.5|
Answer:
D
Step-by-step explanation:
Answer:
D. y = |x – 16.5|
Step-by-step explanation:
I got this answer correct on Gradpoint
The monthly finance charge on a charge account is 1.5% of the unpaid
amount up to $500, and 1% of the unpaid amount over $500. What is the
charge on an unpaid amount of $750?
24
Answer:
hi
Step-by-step explanation:
hi
hi
hi
gm
have a nice day
72 divided by x=3.16 divided by .015
Answer:
x = 0.34177215
Step-by-step explanation:
Answer:0.3418
Step-by-step explanation:
3. Tickets to a show cost $5.50 for adults and 54.25 for students. A family is purchasing2
adult tickets and 3 student tickets.
.
Step-by-step explanation:The cost of an adult ticket to the show is $5.5
The cost of a student ticket to the show is $4.25
A family is purchasing 2 adult tickets and 3 student tickets. This means that the total cost of 2 adult tickets would be
2 × 5.5 = $11
It also means that the total cost of 3 student tickets would be
3 × 4.25 = $12.75
The total cost of 2 adult tickets and 3 student tickets would be
11 + 12.75 = $23.75
If the family pays $25, the exact amount of change they should receive is
25 - 23.75 = $1.25
I need step by step instructions on how to divide 708 by 9
Answer:
Here are the steps
Step-by-step explanation:
708 divided by 9
9 goes into 7 zero times,
9 goes into 70 seven times (63)
so carry the seven
drop the 8
9 goes into 78 eight times
subtract 72
brings you a remainder of 6
So it is 78 remainder 6
(Would appreciate brainliest)
The amount of a color pages a printer can print varies directly with the minutes it takes. The printer prints 36 pages in 3 minutes. How many minutes will it take the printer to print 108 pages?
Answer:
9 minutes
Step-by-step explanation:
108 x 3 = 324
324/36 = 9
