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4 years ago

14

a flag is in the shape of a rectangle it has a length of (y + 5) inches and a width of (y - 5) inches. what is the area of the f

lag

1 answer:

creativ13 [48]4 years ago

8 0

Area = L x W
Area = (y+5) (y-5)
Use Foil to multipy (First, Outer, Inner, Last)
Area = y² -5y + 5y -25
Area = y² -25

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A cell phone company recently noticed a 26% sales decrease in the month of July compared to June. Let n represent June's

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Answer:

Option A. is correct.

Step-by-step explanation:

Given: A cell phone company recently noticed a $26\%$ sales decrease in the month of July compared to June such that $n$ represent June's sales.

Also, $y$ represents July's sales.

To find: equation that can be used to determine the sales in July

Solution:

June's sales $=n$

Decrease in sales $=\frac{26}{100}n=0.26n$

So,

July's sales $=n-0.26n$

Also,

July's sales $=y$

Therefore,

$y=n-0.26n$

So, option A. is correct.

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SOLVE FOR X 3x +5 = x -10 A. -5/4 B. -5 C. -15/2 D. -15 OA B. D

kifflom [539]

Hello!

$\large\boxed{\text{C.} \frac{-15}{2}}$

3x + 5 = x - 10

Solve for x by isolating the variable.

Subtract 5 from both sides:

3x + 5 - 5 = x - 10 - 5

3x = x - 15

Subtract x from both sides:

3x - x = x - x - 15

2x = -15

Divide both sides by 2:

2x /2 = -15 / 2

x = -15/2.

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