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3 years ago

If there are 32 desks in the classroom and 25% of them are broken, how many

Mathematics

2 answers:

Anestetic [448]3 years ago

7 0

Answer: 8 of them are broken

garik1379 [7]3 years ago

6 0

Answer:

32 × 25

100

16 × 25

8 × 25

200

The answer is 8

Edit:-

i had made a calculation error in this answer...

i realised my mistake and corrected it...

im sorry for the inconvienience caused...

future readers of this answer, do not thank this answer, i dont deserve it...

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one fabric costs $15.00 for two yards. Another costs $37.50 for 5 yards. Do these fabrics have the same unit cost? explain

kondaur [170]

Yes they do becuase
$15 divided by 2 equals $7.50
Then you do 5 times $7.50 and your anwser is $37.50
They total unit cost for each is $7.50

6 0

2 years ago

A triangle has a side length of 10 inches and a side length of 3 inches. What could be the length in inches of the third side of

Leya [2.2K]

I think u need to multiply I don’t really know

4 0

2 years ago

Solve the equation -5 = c/7

sweet-ann [11.9K]

Multiply both sides by 7.

-5 * 7 = c/7 * 7

-5 * 7 = c

c = -35

Your final answer is c = -35.

3 0

3 years ago

Read 2 more answers

Which proportion is correct?

Sonja [21]

Answer:

Step-by-step explanation:

if we divide 20 and 25 by 5 then we get 4/5.

hope it's help you....

5 0

2 years ago

Solve for x.

Ivahew [28]

ANSWER

$x=\frac{2-\sqrt{10}} {3}$

or

$x=\frac{\sqrt{10}+2} {3}$

We have

$3x^2-4x-2=0$

Since we cannot factor easily, we complete the square.

Adding 2 to both sides give,

$3x^2-4x=2$

Dividing through by 3 gives

$x^2-\frac{4}{3}x= \frac{2}{3}$

Adding $(-\frac{2}{3})^2$ to both sides gives

$x^2-\frac{4}{3}x+(-\frac{2}{3})^2= \frac{2}{3}+(-\frac{2}{3})^2$

The expression on the Left Hand side is a perfect square.

$(x-\frac{2}{3})^2= \frac{2}{3}+\frac{4}{9}$

$\Rightarrow (x-\frac{2}{3})^2= \frac{10}{9}$

$\Rightarrow (x-\frac{2}{3})=\pm \sqrt{\frac{10}{9}}$

$\Rightarrow (x)=\frac{2}{3} \pm {\frac{\sqrt{10}}{3}$

Splitting the plus or minus sign gives

$x=\frac{2- \sqrt{10}} {3}$

or

$x=\frac{\sqrt{10}+2} {3}$

3 0

3 years ago

Read 2 more answers