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Dafna11 [192]
3 years ago
7

NEED HELP ASAP IN MIDDLE OF TAKING TEST

Mathematics
1 answer:
Zolol [24]3 years ago
4 0
What is x and y first?
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Which function is graphed? y = –2cos(x) – 4 y = 2cos(x) – 4 y = –2cos(x) + 4 y = 2cos(x) + 4
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Step-by-step explanation:

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Part a : solve - vp + 40 < 65 for v .
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\large \text{Part a:}\\\\for\ d-\dfrac{25}{d}}

\large\text{Part b:}\\\\\boxed{r=\dfrac{7}{3}w-5}

Step-by-step explanation:

\text{Part a}\\\\-vp+400,\ \text{then}\ \boxed{v>-\dfrac{25}{d}}\\\\\text{if}\ d

\text{Part b}\\\\7w-3r=15\qquad\text{subtract 7w from both sides}\\\\-3r=-7w+15\qquad\text{divide both sides by (-3)}\\\\\boxed{r=\dfrac{7}{3}w-5}

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