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2 years ago

Divide 48 pieces of clothing into 2 groups so the ratio is 1 to 3

1 answer:

5 0

There is a few ways to do this but I will do it the way that will be shown. You know that you must split the clothing into 4 pieces because 1+3=4

So divide 48 by 4 which is 12. Now multiply 12 by each ration.

12×1=12
12×3=36

12+36=48 which means its right

So the ratio is 12:36

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You and your brother are reading the same novel. You want to get ahead of him in the book, so you decide to read 303030 minutes

ddd [48]

You will read for 45 minutes if your brother reads for 15 minutes.

Explanation

You decide to read 30 minutes longer than your brother reads.

If your brother reads $x$ number of minutes, then 30 minutes longer than $x$ minutes means $(x+30)$ minutes.

As the number of minutes you read is $y$ , so the equation will be: $y= x+30$

When your brother reads for 15 minutes, then we will just plug $x=15$ into the above equation. So.....

$y=15+30= 45$

So, you will read for 45 minutes if your brother reads for 15 minutes.

7 0

3 years ago

Read 2 more answers

A city has a population of 210,000 people. Suppose that each year the population grows by 8%. What will the population be after

Ratling [72]

Answer:

in 13 years it will be at 432,480

Step-by-step explanation:

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2 years ago

Idk how to do number 16

dimulka [17.4K]

On what? Adding subtracting making a fraction tree

3 0

3 years ago

Give the degree of each polynomial

Norma-Jean [14]

Answer

Sorry! number 12 is 2

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

20. what us the area of the figure:

Varvara68 [4.7K]

If the angle in B is 45º, that means the angle in A is also going to be 45º, considering it's a right triangle, so AC and BC are they have the same length.
Then using Pythagoras, you'll get that $AC^{2} + BC^{2}$ equals $AB^{2}$ .
Now, you know that AC=BC and that AB=24.
So you'll get $2AC^{2} =24^2$ . You do the square root in both sides and you get that 2AC=24 and AC=12.

Now that you know that both AC and BC equal 12, you can find the area by just multiplying them and then diving them by 2. (The formula for the area of a triangle is half base multiplied by height, and in a right triangle, if a cathetus is the base, the other cathetus will be the height)

And so the area is equal to 72.

8 0

3 years ago