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3 years ago

10

At Brian’s Bookstore, 0.3 of the shelves hold

2 answers:

docker41 [41]3 years ago

8 0

Mysteries ; 0.3 is 30/100 =30%
travel ; 25%
children ; 7/20 (5/5) = 35/100 = 35%
children's books cover the most shelf

scoundrel [369]3 years ago

3 0

There are multiple ways to answer this, because one would have to convert all of the numbers into a percentage, decimal, or fraction. Let's go with percentage.
Travel books = 25% is already a percentage, so you don't have to worry about it.
Mystery books = 0.3 is easy to convert. 1 = 100%, so 0.3 = 30%. See? Easy.
Children books = 7/20 is the hardest, although it isn't THAT hard. Any percentage means "this number out of a hundred", and 20 is one-fifth of one hundred. So, we can multiply the fraction by one, essentially, in this form: 7/20 * 5/5. This equals 35/100, which is 35%.
We have 25%, 30%, and 35%. Children's books take up 35%, which is the largest amount.

Comment if you want me to convert them into either decimals or fractions (or both).

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A baby pool is shaped like a short, wide cylinder and holds 52 ft3 of water. A medium pool measures 4 times the height and width

timama [110]

Answer:

$D.\ 3328\ ft^3$

Step-by-step explanation:

Given

Volume of baby pool = 52ft³

Required

Determine the volume of the medium pool

Volume of a cylinder is calculated as:

$V = \pi r^2h$

Hence, the volume of the baby pool is:

$\pi r^2h = 52$

where r and h are the radius and height of the baby pool

Represent the height and radius of the medium pool as H and R

From the given parameters in the question

$H = 4 * h$ and $R = 4 * r$

$H = 4 h$ and $R = 4 r$

The volume of the medium cylinder is calculated as

$Volume = \pi R^2H$

Substitute 4h for H and 4r for R

$Volume = \pi (4r)^2(4h)$

Open bracket

$Volume = \pi (4r) * (4r) * (4h)$

$Volume = \pi 16r^2 * (4h)$

$Volume = \pi 16r^2 * 4h$

Collect like terms

$Volume = \pi r^2 * h * 4 * 16$

$Volume = \pi r^2 h * 64$

Recall that $\pi r^2h = 52$

So, the expression becomes

$Volume = 52 * 64$

$Volume = 3328$

Hence, the medium pool can hold $3328ft^3$ of water

3 0

3 years ago

Which number line represents this expression? -8 + 5

Serjik [45]

Answer:

Step-by-step explanation:

-3 is the number u will get. Hope this helps!!

7 0

4 years ago

Find a real number between -3 and 5<br><br> a : -4<br> b : 1<br> c : -5<br> d : 6

Bumek [7]

The answer is 1.
Reasons : All the other answer choices are either below -3 or after 5.

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3 years ago

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Alex17521 [72]

Answer:

1 1/2. Hope this helps u :D

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3 years ago

Read 2 more answers

The product of two consecutive even integers is 440.. what are the positive and negative integers?

shutvik [7]

Positive integers are 20,22 and negative integers are -22,-20.

Step-by-step explanation:

Let,

2 positive integers are x, x+2

According to given statement;

$x(x+2)=440\\x^{2}+2x=440\\x^{2}+2x-440=0\\x^{2}+22x-20x-440=0\\x(x+22)-20(x+22)=0\\(x+22)(x-20)=0\\Either,\\x+22=0\\x=-22\\Or,\\x-20=0\\x=20$

If x=-22

Then,

x+2 = -22+2 = -20

Or,

x=20

x+2 = 20+2 = 22

Positive integers are 20,22 and negative integers are -22,-20.

Keywords: Integers, Multiplication

Learn more about multiplication at:

#LearnwithBrainly

5 0

3 years ago