3 years ago

5% of what number is 63?

1 answer:

6 0

To find the percentage of a number, you take the percent - 5% - and change it to a decimal by moving the percent over 2 times to the left and multiplying it by the number. So...

.05 x 63
= 3.15

Answer: 5% of 63 is 3.15

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How to find two consecutive numbers whose squares differ by 15?

LUCKY_DIMON [66]

Let x is the first no. then the other no. will obviously be (x+1)

according to question,
(x+1)²- x²= 15
x² +2x+1 - x² = 15 ( using (a+b)²= a²+ b² + 2ab )
2x + 1 = 15
2x = 14
x = 7

hence numbers are x = 7 and x +1 = 7+1 = 8
also 8²-7² = 64-49 = 15

hence the numbers are 7 and 8

hope it helped

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3 years ago

20 POINTS!

Temka [501]

Answer:

D.The multiplicative identity

Step-by-step explanation:

3/4 x N and which N=1 you multiply them both and should get the same answer

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3 years ago

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If f(x) = 6x – 1 and g (x) = StartFraction x + 1 Over 6 EndFraction, which expressions can be used to verify g(x) is the inverse