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Elena L [17]
3 years ago
12

Z = 5. is a solution

Mathematics
1 answer:
Nana76 [90]3 years ago
6 0

Answer: no 5 is not a solution

Step-by-step explanation:

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Part A: You have $0.80 in your backpack in dimes and quarters. Let x represent the number of dimes and y represent the number of
Alik [6]
Part A: 0.10x + 0.25 = 0.80 (dimes are 10 cents or 0.10 dollars, quarters are 0.25 dollars)
Part B: Plug in what you DO know and solve the one you DON’T:
0.10x + 0.25(2) = 0.80
0.10x + 0.50 = 0.80. Subtract 0.50 from both sides:
0.10x = 0.30 (Divide both sides by 0.10)
x = 3
Therefore you have 3 dimes
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Out of the 301 seniors, 117 are boys. What is the ratio of boys to the total number of seniors?
Deffense [45]

301 , 117

=117 : 301

because they are telling to tell ratio of boys to the ratio of total seniors

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3 years ago
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What is the answer for this question?
Savatey [412]

Answer:

A

Step-by-step explanation:

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DEFINE ALL OF THESE, ONE SENTENCE EACH, PLEASE
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<u>Answers:</u>

These are the three major and pure mathematical problems that are unsolved when it comes to large numbers.

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7 0
3 years ago
6) What is 13% of 33.39?
icang [17]

Answer:

1. We assume, that the number 33.39 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 33.39 is 100%, so we can write it down as 33.39=100%.

4. We know, that x is 13% of the output value, so we can write it down as x=13%.

5. Now we have two simple equations:

1) 33.39=100%

2) x=13%

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

33.39/x=100%/13%

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 13% of 33.39

33.39/x=100/13

(33.39/x)*x=(100/13)*x       - we multiply both sides of the equation by x

33.39=7.6923076923077*x       - we divide both sides of the equation by (7.6923076923077) to get x

33.39/7.6923076923077=x

4.3407=x

x=4.3407

now we have:

13% of 33.39=4.3407

Step-by-step explanation:

4 0
4 years ago
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