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andrezito [222]

2 years ago

13

The length of each side of a square was decreased by 2 inches, so the perimeter is now 52 inches. What was the original length o

f each side of the square?

1 answer:

telo118 [61]2 years ago

3 0

60 inches because the square has 4 sides so 4x2 is 8 and 52+8 is 60.

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Find the constant of variation k for the inverse variation. Then write an equation for the inverse variation. Y=4.5 when x = 3

Nookie1986 [14]

$\bf \qquad \qquad \textit{inverse proportional variation}\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=4.5\\
x=3
\end{cases}\implies 4.5=\cfrac{k}{3}\implies 4.5(3)=k
\\\\\\
13.5=k\qquad therefore\qquad \boxed{y=\cfrac{13.5}{x}}$

8 0

2 years ago

What is simplified when -3(2x-y) + 2y+2(x+y) ?

S_A_V [24]

Answer: -x + 4y

Step-by-step explanation:

-3(2x-y) + 2y+2(x+y)

-6x + 3y + 2y + 2x + 2y

-6x + 2x +3y + 2y + 2y

-6x + 5x + 4y

-x + 4y

4 0

2 years ago

3) Todd ordered pictures from a photographer. Each picture costs $3.50. A one-time shipping fee of $4.25 is added to the cost of

Nataly_w [17]

Answer:

A. 84.75/3.50= 24.214286

B. 24 pictures

Step-by-step explanation:

When I divided I got 24.214286 so I rounded down to 24 pictures.

8 0

3 years ago

One of one hundred equal parts

Step2247 [10]

1/100 as a fraction is what you're looking for, I assume. 1 over 100, one part of one hundred equal parts.

3 0

2 years ago

Can someone explain to me ;.;

snow_tiger [21]

Answer:

x > -9

Step-by-step explanation:

When you move the -2 to the right side it turns to become

(x+2) > -7

Now you just solve for x

x > - 9

3 0

3 years ago