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2 years ago

For the function y = 7 − 3x, what is the ordered pair for x = 5?

Mathematics

1 answer:

Lemur [1.5K]2 years ago

7 0

9514 1404 393

Answer:

(x, y) = (5, -8)

Step-by-step explanation:

The value of y is found by evaluating the equation for x=5.

y = 7 -3(5) = 7 -15 = -8

For x = 5, y = -8. As an ordered pair, this is (x, y) = (5, -8).

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Now putting all the given values in this formula, we get:

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Part (b):

Now calculating the total perimeter of the compound figure.

$\text{Total perimeter}=2\times \text{Length}+Breadth+(\frac{1}{2}\times \text{Circumference})\\\\\text{Total perimeter}=2\times \text{Length}+Breadth+(\frac{1}{2}\times 2\times \pi \times r)$

Now putting all the given values in this formula, we get:

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