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Viefleur [7K]
2 years ago
15

I need help on my makeup work numbers 4-6

Mathematics
2 answers:
Triss [41]2 years ago
7 0

7/8 = 0.875

7/15 = 0.46

4 3/25 = 4.12

Marina86 [1]2 years ago
7 0

For problems 4-6, there's a certain method that's preferable for converting decimals to fractions. Here's how to do it:

To begin, you take the decimal and input it as the numerator. As for the denominator, you use 1. Next, you multiply the numerator & the denominator by 100. It doesn't always need to be 100, it can be 1000, you just need to get the decimal over far enough to where there's no remaining decimal in the numerator. However, often times it'll be 100. After you have the whole number as a numerator and 100 as the denominator, you reduce the fraction to get the final answer. So, let's put this method to use.

For problem 4, the decimal is 0.45. So, that becomes the numerator.

0.45/1

Then, multiply by 100.

45/100

Now, reduce (simplify). I assume you already know how to simplify, but in case you don't, I'll extend on it. To simplify, you need to find the greatest common factor (GCF). The GCF is a number that'll go into both the numerator and the denominator.

So, for this the GCF is 5. 45/5 = 9 and 100/5 = 20. Your answer for #4 = 9/20.

Now, let's solve for #5. For this one, 1000 will be your better option to multiply by due to the fact that there's 3 decimal places in the numerator.

0.125/1 x 1000 = 125/1000.

If you divide the numerator and denominator by 125, you'll reduce it to 1/8. Therefore, the answer to #5 is 1/8.

Lastly, we can solve for #6. This is where it gets tricky. When the decimal begins with a number in the tens place, you know it'll be a mixed number. So, 6.04 = 6 and 4/100. However, you can continue to reduce to have a final answer of 6 & 1/25.

If you need more examples or more help, let me know.


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Someone please Solve 3 (x - 1) = 6. Thank you
kramer
We have an equation with parentheses. To make our lives easier, first get rid of the parentheses. We do this by using the distributive property.

It is used like this: a(b + c) = ab + ac.

Use the distributive property on the left-hand side.

3(x - 1) = 6
3x - 3 = 6

Now we have an equation that is easier.

The x variable is being multiplied by 3 and added to -3.
Reverse all of these operations with their inverse operation.

3x - 3 = 6
3x = 9 <--- I got rid of the -3 term by using the inverse of subtraction. Addition.
                  And I did the same for both sides to keep the equation true.
x = 3 <--- The inverse of multiplication is division.
                So, I divided both sides by 3.

So, x is equal to 3.
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beks73 [17]

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BabaBlast [244]

Answer:

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Step-by-step explanation:

Given: Rhian scored 14 out of 17 in a Math test. In the English test she scored 31 out of 39.

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Solution:

We have,

Rhian scored 14 out of 17 in a Math test.

Rhian scored 31 out of 39 in an English test.

So, first we need to find the percentage of the marks scored.

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Percentage in the English test =\frac{31}{39}\times100= 79.49\%.    

Clearly, the percentage in the Math test is greater than the percentage in the English test.

So, Rhian did better in the Math test.    

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Step-by-step explanation:

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Step-by-step explanation:

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