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amandaestevez030

amandaestevez030

03.12.2020 •

Mathematics

Wich ordered pair is a solution to the followimg inequality? $y\leq \frac{2}{5}x-2$

(5,0)
(0,5)
(-2,5)
(-5,2)

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Ответ:

Reijected

11.02.2022

Option A: (5,0)

Step-by-step explanation:

Given

$y \leq \frac{2}{5}x-2$

Required

Select an ordered pair

Option A: (5,0)

This means

x = 5 y = 0

Substitute these values in $y \leq \frac{2}{5}x-2$

$0 \leq \frac{2}{5} * 5 - 2$

$0 \leq 2 - 2$

$0 \leq 0$

This is a true statement.

Option B: (0,5)

This means

x = 0 y = 5

Substitute these values in $y \leq \frac{2}{5}x-2$

$5 \leq \frac{2}{5}* 0 -2$

$5 \leq 0 -2$

$5 \leq -2$

This is a false statement.

Option C: (-2,5)

This means

x=-2 y = 5

Substitute these values in $y \leq \frac{2}{5}x-2$

$5 \leq \frac{2}{5}* -2 -2$

$5 \leq \frac{-4}{5} -2$

$5 \leq \frac{-4-10}{5}$

$5 \leq \frac{-14}{5}$

$5 \leq -2.8$

This is a false statement.

Option D: (-5,2)

This means

x=-5 y = 2

Substitute these values in $y \leq \frac{2}{5}x-2$

$2 \leq \frac{2}{5}* -5 -2$

$2 \leq -2 -2$

$2 \leq -4$

This is a false statement.

Only option A represents a true statement,

Hence, option A is a solution to the inequality

0,0(0 оценок)

Ответ:

Amholloway13

13.11.2020

$8.99 or $9.00

Step-by-step explanation:

You will pay $8.99 for an item with the original price of $9.99 when discounted 10%. In this example, if you buy an item at $9.99 with a 10% discount, you will pay 9.99 - 0.999 = 8.99 dollars.

0,0(0 оценок)

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