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2 years ago

10

a wall of a building is 36 inches wide. sixteen inches is concrete, 14 inches is brick, and 6 inches is limestone. what fraction

of the wall is brick?

1 answer:

Stells [14]2 years ago

8 0

Answer:

878

Step-by-step explanation:

that is because i know what i am doing.

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If the ratio of wiping is the green peas is 2 to 8 and there are a total of 30 pens how many pens are white

kaheart [24]

2x+8x=30. x= #of pens

10x=30. combine like terms

x=3. divide by 10 to isolate (get by itself) x

2(3)=6. the # of white pens are represented by 2x

6 white pens

hope this helped!

8 0

3 years ago

Please help me with number 10

swat32

A)36 inches. hope this helps

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3 years ago

Read 2 more answers

How do u solve 31 is 40% of what number? So confused?

VashaNatasha [74]

$Method\ \#1\\\\\begin{array}{ccc}31&-&40\%\\x&-&100\%\end{array}\ \ \ \ |cross\ multiply\\\\\\40x=31\cdot100\ \ \ \ |divide\ both\ sides\ by\ 40\\\\x=\frac{3100}{40}\\\\\boxed{x=77.5}$

$Method\ \#2\\\\p\%=\frac{p}{100}\to40\%=\frac{40}{100}=0.40=0.4\\\\x-the\ number\\\\40\%\ of\ the\ number\ is\ 31:\\\\0.4x=31\ \ \ \ |divide\ both\ sides\ by\ 0.4\\\boxed{x=77.5}$

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3 years ago

emliy is thinking of a number which she calls n she find 1/4 of the number and then subtracts 3. write an expressions that repre

olganol [36]

Answer:

1/4 n - 3.

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2 years ago

A distribution has a mean of 70.If 5 points are added to each individual score, the new mean would be

algol [13]

Answer:

well its free

Step-by-step explanation:

asdasdasdasd

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2 years ago