3 years ago

How do you know that 30 is __1 10 of 300? Show your work.

Mathematics

1 answer:

larisa86 [58]3 years ago

5 0

Answer:

See explanation

Step-by-step explanation:

So what you would need to do is take 300/10

300/10 which is 1/10 of 300, would be 30

You can also check your work by doing 30 x 10

This equals 300, so its correct.

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Express the ratio as a fraction in the simplest form: 32 pennies to 300 pennies

jenyasd209 [6]

Answer:

8/75

Step-by-step explanation:

Ratio:

32:300

Fraction:

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Step-by-step explanation:

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3 years ago

A rectangle has a length of (x + 4) centimeters and a width of 12x centimeters. If the perimeter is 26 centimeters, what is the

STALIN [3.7K]

Answer:

The width of rectangle is $W=\frac{108}{13}\ cm$ or $8\frac{4}{13}\ cm$

Step-by-step explanation:

we know that

The perimeter of rectangle is equal to

$P=2(L+W)$

where

L is the length of rectangle

W is the width of rectangle

we have

$P=26\ cm\\L=(x+4)\ cm\\W=12x\ cm$

substitute

$26=2(x+4+12x)$

solve for x

$26=2(13x+4)$

$26=26x+8$

$26x=26-8$

$26x=18$

$x=\frac{18}{26}$

simplify

$x=\frac{9}{13}$

Find the width of rectangle

$W=12x\ cm$

substitute the value of x

$W=12(\frac{9}{13})=\frac{108}{13}\ cm$

Convert to mixed number

$\frac{108}{13}\ cm=\frac{104}{13}+\frac{4}{13}=8\frac{4}{13}\ cm$

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3 years ago