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2 years ago

Math be hard- Can ya help?

Mathematics

2 answers:

horrorfan [7]2 years ago

7 0

Answer:

1/8

Step-by-step explanation:

The slope equation for this problem is

y2-y1

--------

x2-x1

So the y2=4, y1=3, x2=8, and x1=0

4-3 =1

----- --

8-0 =8

Which is 1/8

arlik [135]2 years ago

6 0

Answer: 1/8

Step-by-step explanation:

Use the slope formula and slope-intercept form

y = mx + b to find the equation.

y = 1/8x + 3

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2 years ago

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Step-by-step explanation:

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2 years ago

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3 years ago

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Which is the value of this expression when a=5 and k=-2

Zinaida [17]

Answer:

Option C is correct.

Step-by-step explanation:

We are given the expression:

$(\frac{3^2a^{-2}}{3a^{-1}})^k$

The value of a =5 and k = -2

Putting the values and solving

$=(\frac{3^2*5^{-2}}{3*5^{-1}})^-2\\=(\frac{3^{2-1}}{5^{-1+2}})^-2\\=(\frac{3^{1}}{5^{1}})^-2\\\\=(\frac{3}{5})^-2\\if \,\,a^{-1} \,\,then\,\, 1/a\\=\frac{(3)^{-2}}{(5)^{-2}}\\ Can\,\,be\,\,written\,\,as\\\\=\frac{(5)^{2}}{(3)^{2}} \\=\frac{25}{9}$

Option C is correct.

3 0

2 years ago