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Bingel [31]
2 years ago
15

The percentage 21 is of 28 is equal to the percentage 30 is of 40 True? or false?

Mathematics
1 answer:
katovenus [111]2 years ago
5 0

Answer:

False

Step-by-step explanation:

75%

21

28 5.88

21 x 28

100

= 5.88

x 100% = 75%33.3333333333%

28 - 21

21

x 100% = 33.3333333333%

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6-3/4x+1/3=1/2x+5 what number can be used to get rid of all fractions
Yanka [14]

The number can be used to get rid of all fractions is 12

<h3>What number can be used to get rid of all fractions?</h3>

The equation is given as:

6 - 3/4x + 1/3 = 1/2x + 5

The denominator of the fractions are:

4, 3 and 2

The LCM of 4, 3 and 2 is 12

So, we have:

12 * [6 - 3/4x + 1/3] = 12 * [1/2x + 5]

Evaluate the products

72 - 9x + 12 = 6x + 60

Hence, the number can be used to get rid of all fractions is 12

Read more about fractions at:

brainly.com/question/11562149

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7 0
1 year ago
If y =- 5x + 3, find the value of x when y = 13.
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Answer:

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Step-by-step explanation:

You would first subsitute the y with 13. The you would subtract 3 from 3 and 13. Then you would have  10=5x. Then you would divide 5 by 5 and 10. You will get x = 2  

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3 0
2 years ago
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Plug y=-4x+5 into a website called desmos, it will give you a graph! The y-intercept is 5 and it’s at a slope of 4/1
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W(x)=-5(x-8)(x+4) what is the maximum height that the stone will reach?
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Step-by-step explanation:

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