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Anastaziya [24]

4 years ago

6

so my question isn't really about mathematics, its about earth science there just isn't a tab for science so sorry but here is m

y question, how did scientists use data to find out about the outer core of the earth?

1 answer:

MArishka [77]4 years ago

7 0

They put measures in the grounnd hope this helps
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The<br> What is the slope of the line?

Shtirlitz [24]

Answer:

-1

Step-by-step explanation:

Slope is calculated with the general equation $\frac{x_{2}-x_{1} }{y_{2}-y_{1}}$ where you compare the difference between two sets of data points on the slope.

I will use the points (-2, 0) and (0, -2).

$\frac{-2-0{} }{0-(-2){}}$

This gives us -2/2 or a slope of -1

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3 years ago

Let f(x)=2x-1 and g(x)=1/x. Find the value of f(g(7))

netineya [11]

Answer:

-5/7

Step-by-step explanation:

We need to find g(7) first

All we have to is plug 7 in the place of x

g(7) = 1/7

Now we have f(1/7) = 2x - 1

f(1/7) = 2(1/7) - 1

f(1/7) = 2/7 - 1

Don't forget about common denominators

2/7 - 7/7 = -5/7

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3 years ago

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"Reflexive Property" is the property shown as a = a

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