2 years ago

Power functions mastery test

Mathematics

2 answers:

DaniilM [7]2 years ago

7 0

This isn’t a question this is just a statement

Art [367]2 years ago

3 0

Answer:

i'm going fail my test because of this

Step-by-step explanation:

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7W + 3 = -4W - 85 a. -11 b. 11 c. 8 d. -8

mylen [45]

-8
Step 1) Subtract 3 from both sides of the equation
Step 2) Add 4W to both sides of the equation
Step 3) Divide both sides of the equation by the same factor

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2 years ago

Prime factorization of 64 inexponential form

adelina 88 [10]

Answer:

Yes, It is!

Step-by-step explanation:

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3 years ago

In the year 2006, a person bought a new car for $13500. For each consecutive year after that, the value of the car depreciated b

aev [14]

Answer:

9855

Step-by-step explanation:

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3 years ago

If I had 18 cubes how many ways can I use to make a model of a park

zalisa [80]

More than five lol sorry I am only trying to help

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3 years ago

If (-1,4) and (3,-2) are end points of diameter of the circle, then the equation of the circle is

Volgvan

Answer:

If you've more doubts you can ask :)

Step-by-step explanation:

If the centre of a circle is (a, b) and radius r, then the equation of the circle is :

$(x - x)^2 + (y-b)^2 = r^2$

First we will find the centre, (a , b):

$a = \frac{3+(-1)}{2} = \frac{2}{2} = 1\\\\b = \frac{-2 + 4}{2} = \frac{2}{2} = 1$

Find radius:

$Radius, r = \frac{Diameter}{2}$

Diameter is the distance between (-1, 4) and (3, -2)

$diameter = \sqrt{(x_2 - x_1)^2 +(y_2-y_1)^2} \\\\$

$= \sqrt{(3-(-1)^2 + (-2-4)^2} \\\\=\sqrt{16 + 36}\\\\=\sqrt{52}\\\\=\sqrt{4 \times 13}\\\\=2\sqrt{13} \ units$

Therefore , $r = \frac{2 \times \sqrt{13} }{2} = \sqrt{13} \ units$

Equation of the circle is :

$(x - 1)^2 +(y-1)^2 = 13$

4 0

3 years ago