Explain why 3.6 tenths equal 36 tenths

Mathematics

2 answers:

balu736 [363]2 years ago

6 0

Well there are two ways too look at this

1) divide 36 by 10

2) multiply 3.6 by 10

Assoli18 [71]2 years ago

5 0

I would simply solve the fraction as a division question. To divide 36 by 10, just move the decimal one place to the left. That gives you 3.6

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Deanna gets 3 problems incorrect on her math quiz and scores 85%. How many questions were on the quiz?

katrin2010 [14]

Answer:

There were 20 questions on the quiz

Step-by-step explanation:

In this question, we are concerned with knowing the number of questions on a quiz, given that Deana had a certain percentage after scoring an amount of marks.

We proceed as follows;

Let the number of questions on the quiz be X.

Now, she got 85% by making 3 incorrect choices. This means the percentage of questions she got incorrectly would be 100-85 = 15%

what we are saying is that it is just 15% of her questions that were wrong.

This mathematically;

15% of x = 3

15/100 * x = 3

15x = 3 * 100

15x = 300

x = 300/15

x = 20

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kati45 [8]

ANSWER

Step-by-step explanation:

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DEGREE =2

6 0

2 years ago

What is 5/8 as a percent and a decimal

Makovka662 [10]

To write a fraction as a percent, first remember that a percent is a ratio of a number to 100. If we want to write 5/8 as a percent, we need to find a fraction equivalent to 5/8 that has a 100 in the denominator. We can do this by setting up a proportion.

$\frac{5}{8}$ = $\frac{n}{100}$