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DochEvi [55]
3 years ago
14

Which description is paired with its correct expression?

Mathematics
2 answers:
Rudiy273 years ago
8 0

Answer:

D-twice the difference of nine and a number squared; 2 (9 minus n squared)

Step-by-step explanation:

Got it right on test

Lunna [17]3 years ago
3 0

Answer:

four less than the quotient of a number cubed and seven, increased by three (\frac{n^3}{7} -4)+3

five times the difference of a number squared and six

5(n^2 -6)

nine more than the quotient of six and a number cubed, decreased by four

9+\frac{6}{n^3}-4

twice the difference of nine and a number squared

2(9-n^2)

Step-by-step explanation:

Let n the number of interest we have this:

four less than the quotient of a number cubed and seven, increased by three (\frac{n^3}{7} -4)+3

five times the difference of a number squared and six

5(n^2 -6)

nine more than the quotient of six and a number cubed, decreased by four

9+\frac{6}{n^3}-4

twice the difference of nine and a number squared:

2(9-n^2)

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In a right triangle the lengths of the legs are a and b. Find the length of a hypotenuse, if: a=3, b=4;
prohojiy [21]

Answer:

The hypotenuse is 5

Step-by-step explanation:

We can use the Pythagorean theorem to find the hypotenuse of a right triangle

a^2 +b^2 =c^2 where a and b are the legs and c is the hypotenuse

3^2 +4^2 =c^2

9+16=c^2

25=c^2

Take the square root of each side

sqrt(25) =sqrt(c^2)

5 = c


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3 years ago
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diamong [38]
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Can someone help me with this math
irga5000 [103]

Answer:

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Step-by-step explanation:

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