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igor_vitrenko [27]
4 years ago
13

A librarian put 39 books back on the shelves before lunch. Of the books, 13 were non-fiction. What is the ratio of the number of

non-fiction books to the total number of books the librarian put away before lunch?
A. 1 to 2
B. 1 to 3
C. 3 to 1
D. 2 to 1
Mathematics
2 answers:
Keith_Richards [23]4 years ago
4 0
The anwser is 3to1 otherwise C

Vladimir79 [104]4 years ago
3 0
13:39=13/39
13/39=1/3
1/3=1:3
the answer is B
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Answer is:
y=4x-1

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y=2x+1
8 0
3 years ago
There are 9 squares and 6 circles. What is the simplest ratio of circles to squares?
castortr0y [4]

Answer:

2:3, 2 to 3

Step-by-step explanation:

9 and 6 are both factors of three, so you have to reduce. 3 goes into 9 tree times, and 3 goes into 6 twice. Since it is circles to squares, the 2 comes first then 3.

Hope this helps!

6 0
2 years ago
Can somebody help me with this math problem?
Lelechka [254]

Answer:

B

Step-by-step explanation:

Solve each inequality separately

2x + 3 ≥ 7 ( subtract 3 from both sides )

2x ≥ 4 ( divide both sides by 2 )

x ≥ 2

or

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3 0
3 years ago
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Todd has a new spool of wire. He needs 48 pieces of wire, each 22 feet long. He estimates that he needs 50×20=1000 feet, and he
Leni [432]
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4 0
3 years ago
1/7inch <br> ________<br> 1/14minutes<br><br> the unit rate is ? inch per minute
lara [203]
<h2>I'm kind of confused about what you are asking but wouldn't this | be the answer?                                                       V</h2>

Answer: 2 inches per minute

Step-by-step explanation:

This is a fraction equal to

0.14285714285714 inches ÷ 0.071428571428571 minutes

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 0.071428571428571

0.14285714285714 inches ÷ 0.071428571428571

<h3><u>                                                                                  </u></h3>

0.071428571428571 minutes ÷ 0.071428571428571

<h3>=  </h3>

2 inches

<h3><u>              </u></h3>

1 minute

<h3>=  </h3>

2 inches

<h3><u>             </u></h3>

minute

= 2 inches per minute

8 0
3 years ago
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