2 years ago

Isabella's dance classes 45 minutes long 20% of the time is spent stretching how many minutes does Isabella's spend stretching

1 answer:

4 0

$\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{20\% of 45}}{\left( \cfrac{20}{100} \right)45}\implies 9$

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koban [17]

Answer:

D) $2.81

Step-by-step explanation:

3.8 x .74 = 2.81

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2 years ago

What is true about the solution of x^2 / 2x - 6 = 9 / 6x - 18

DanielleElmas [232]

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2 years ago

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I have to solve this system equation by graphing. by the way the equation is all in one,not separate

victus00 [196]

This system equation is not solution

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2 years ago

Negative nine is greater than or equal to the sum of two - fifths times a number and 9.

Bumek [7]

Answer:

W is either -22.5, or less than -22.5

Step-by-step explanation:

-9>=2/5 times w (I wasn't sure what you meant by "and" 9. Like 9w?)

W has to be a negative number, or else it would be greater than 9, which would make the equation wrong.

2/5 times -22 1/2=-9. So w can be -22 1/2 or -22.5

W can then be anything "lower" (on the left side) of -22.5.

W<-22.5

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3 years ago

The perimeter of a rectangle equals one and a half times its area. Express the length of the rectangle in terms of the width (us

WITCHER [35]

Answer:

Step-by-step explanation:

let x and y be length and width of rectangle.

Perimeter=2(x+y)

area=xy

2(x+y)=1/2 xy

4(x+y)=xy

4x+4y=xy

x y-4y=4 x

y(x-4)=4 x

$y=\frac{4x}{x-4}$

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3 years ago