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seropon [69]
3 years ago
15

An unknown number y is 12 more than an unknown number x. The number y is also x less than 17. The equations to find x and y are

shown below.
y = x + 12
y = −x + 17

Which of the following statements is a correct step to find x and y? (4 points)

a
Multiply the equations to eliminate y.

b
Write the points where the graphs of the equations intersect the x-axis.

c
Write the points where the graphs of the equations intersect the y-axis.

d
Add the equations to eliminate x.
Mathematics
2 answers:
MakcuM [25]3 years ago
7 0

Answer:

the answer is D even tho you asked a month ago i figured i can still answer

Step-by-step explanation:

grandymaker [24]3 years ago
4 0

Answer:

d because then you can solve for y then use your answer to find x

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Step-by-step explanation:

Half of 13 is 6.5. If you add that to the $13 she makes, it would be $19.5.

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For the function y = -2+5sin(pi/12(x-2)), what is the maximum value?
myrzilka [38]
To get the function y = <span>-2+5sin(pi/12(x-2)), the maximum value can be determined by differentiating the function and equating it to zero. The value of x will give the maximum value of the function.
dy/dx = 5 cos (pi/12 (x-2)) (pi/12)
dy/dx = 5 pi/12 cos(pi/12 (x-2))

Equate to zero</span>:
<span>5 pi/12 cos(pi/12 (x-2)) =0
pi/12 (x-2) = 3pi/2
x = 8

Substituting,
y= -2 + 5sin( pi/12 (8-2)
y = -1.86
</span>
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Step-by-step explanation:

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