Ralph is covering a bulletin board with colored sheets of paper. The ratio of the number of sheets of red paper to the number of sheets of pink paper is 1 to 3. How many sheets of pink paper will Ralph need if he uses 3 sheets of red paper? A. 6 B. 8 C. 9 D. 12

Answers

Answer 1

Answer:

There are 9 Pink colored sheets.

What is Algebra?

A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.

Variables are the name given to these symbols because they lack set values.

In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmeticoperations.

given:

Ratio of Red: Pink = 1 :3

let the common ratio be x

If red color sheets are 3.

Then 1x =3

x= 3

Then ,the number of pinksheet s

= 3x

= 3(3)

= 9

Learn more about algebra here:

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Answer 2

Answer:

Answer:

Ralph will need 9 sheets of pink paper

Explanation:

The red paper to pink paper ratio is 1 to 3. This means that for every 1 piece of red paper, there are 3 pieces of pink paper. Since there are 3 pieces of red paper that Ralph has, you multiply 3 times 3 to get 9 pieces of pink paper.

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Which two numbers does the square root of 128 lie between on a number line

Answers

√121 = 11
√144 = 12

Since √128 is between √121 and √144,
then its square root is between 11 and 12.

1²=1
2²=4
3²=9
4²=16
5²=25
6²=36
7²=49
8²=64
9²=81
10²=100
11²=121
12²=144

128 is between 121 and 144.
Thus, the square root of 128 must be between the square root of 121 and the square root of 144.
Thus, the square root of 128 is between 11 and 12. You can check this for yourself by using a calculator.

A helicopter hovers 1050 feet above a small island.The figure shows that the ang;e of depression from the helicopter to point P is 30 degrees. How far off the coast, to the nearest foot, is the island?