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astra-53 [7]
2 years ago
12

Points for you........................................

Mathematics
2 answers:
Anni [7]2 years ago
8 0

Answer:

Thanks man..............

Ilya [14]2 years ago
3 0

Answer:

thx

Step-by-step explanation:

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The number of children at the library was 3 times the number adults. The total number of people at the library was 48. How many
Rufina [12.5K]

Answer:

D 36

Step-by-step explanation:

<em>Write the information algebraically</em>

c = 3a

c + a = 48

c = children, a = adults

<em>In the second sentence (in bold), we can replace c with 3a</em>

c + a = 48 → 3a + a = 48

<em>Simplify</em>

3a + a = 48 → 4a = 48 → a = 12 (divide both sides by 4)

<em>We can then substitute or plug in a = 12 into the original equation:</em>

c + a = 48 → c + 12 = 48 → c = 36 (subtract 12 from both sides)

<h3>There are 36 children</h3>
7 0
2 years ago
Troy cut a 100 foot rope into 3 pieces. The first piece is 43 foot long. The second piece is at least 22 feet long, but no great
Inessa05 [86]

Answer:

x=4

Step-by-step explanation:

Let he first piece be x the second be 3x and the very last one be 7x + 2

 

Add all the pieces together and you ought to get the length of the rope which is 46 ft

 

So your equation would be

 

x + 3x + 7x + 2 = 46

 

11x = 44

 

x = 44 / 11

 

x = 4

 

so the 3 pieces are 4 , 12 and 30ft

4 0
3 years ago
Word problem One of the citizens has 97 silver coins. How many bronze coins would it take to equal this amount
natita [175]

Given: Given that a citizen have 97 silver coins.

To find : Here we need to find that how many bronze coins would it take to equal this amount.

Solution: We know, 1 silver coin=10 bronze coin

So, 97 silver coin=10×97 bronze coin

=970 bronze coin

Therefore, 970 bronze coins would it take to equal this amount.

7 0
2 years ago
What percent of 520 is 40? round to the nearest hundredth of a percent.
JulijaS [17]

Answer:

7.6923%

Step-by-step explanation:

Let y% be the percent of 520.

520y = 40

y = 0.076923...

y = 7.6923%

3 0
3 years ago
Read 2 more answers
Which expression has a value of 15, using only four 4s and any of the following: + , – , · , ÷, exponents, and/or parentheses? A
Simora [160]
Hello :
<span>C.)     (4 · 4) – (4 ÷ 4) =16-1=15</span>
5 0
3 years ago
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