3 years ago

What does the term epicenter refer to?

Mathematics

1 answer:

Luden [163]3 years ago

8 0

C. the spot on Earth's surface above an earthquake's focus

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Write an expression to represent the sum of three times the square of a number and -7 . In your expression what is the value of

stich3 [128]

Answer:

Step-by-step explanation:

3x^2-7

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2 years ago

Solve for x. 5(22−x)=40 Enter your answer in the box. x =

kow [346]

Answer:

x = 14

Step-by-step explanation:

5(22-x)=40

5(22-14)=40

5(22)=110 5(-14)=-70

110-70=40

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2 years ago

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What values of k will make the line containing points (k,3) and (-2,1) parallel to the line through (5, K) and (1,0)

rjkz [21]

Answer:

k = -4 or 2

Step-by-step explanation:

For the lines to be parallel, the lines would need to be the same slope. This means to find the slope of each we would take the difference of the rise over the run.

$\frac{1-3}{-2-k}=\frac{-2}{-2-k}$

and

$\frac{0-k}{1-5}=\frac{-k}{-4}$

To find K, set them equal.

$\frac{-2}{-2-k} = \frac{-k}{-4}\\-k(-2-k) = -2*-4\\2k+k^2=8\\k^2+2k-8=0$

Factor the quadratic and solve for K.

$(k+4)(k-2)=0$

k+4=0 so k=-4

k-2=0 so k=2

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3 years ago

Solve the equation for n and show your work. -3n + 48 = 0

MrRissso [65]

-3n+48=0
-3n=-48
-3n/-3 & -48/-3
n=16

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2 years ago

During August, the average cost of gasoline was $3.22 per gallon. During September, the average cost of gasoline was $3.67 per g

Lorico [155]

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9 months ago