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Assoli18 [71]
3 years ago
10

When 8 is subtracted from the square of a number, the result is 7 times the number.

Mathematics
1 answer:
LuckyWell [14K]3 years ago
4 0

Answer:

8

Step-by-step explanation:

x^2 - 8 = 7x

x^2 - 7x - 8=0

(x - 8)(x + 1)=0

x - 8= 0   x + 1=0

x=8           x= -1

8 is the positive solution

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What is 9 ounces equal to in pounds? please answer in fractions:)
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Answer:

9/16

Step-by-step explanation:

First, note that 10000 multiplied by .5625 will get rid of the decimal point. Therefore, make a fraction where the numerator is .5625 times 10000 and denominator is 10000 like this:

   

.5625 x 10000

 

   

10000

Next, multiply the numbers in the numerator together and keep the denominator as is. Now our fraction looks like this:

   

5625 /10000

The greatest common factor of 5625 and 10000 is 625, which means you can divide the numerator and denominator by 625 and keep the same value:

   

5625 ÷ 625 /10000 ÷ 625

And when calculating the numerator and denominator in our fraction above, we get .5625 as a fraction in the simplest form possible:

 .5625  =  

   

9 /16

 

   

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3 years ago
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Answer:

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Step-by-step explanation:

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