3 years ago

In the data set below, what is the range? 9, 4, 9, 2, 8, 2, 1

1 answer:

7 0

First put these in order from least to greatest.

1,2,2,4,8,9,9 is the correct order
Range is when we subtract the greatest value of our data set from the smallest so in our case it would be 9-1 which leaves us with our answer that 8 is your range.

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Angle B and angle C are complementary. If angle B is five times the size of angle C what is the measurements of both angles.

faltersainse [42]

Step-by-step explanation:

Let Angle C be x

So angle B will be 5x

Since they both are complementary, we can come up with this equation.

x+5x=90 degrees

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3 years ago

Find all the zeroes of the polynomial function f ( x ) = x 3 − 5 x 2 + 6 x − 30

vitfil [10]

Answer:

5, ±√6i

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f(x)=x^3-5x^2+6x-30=x^2(x-5)+6(x-5)=(x^2+6)(x-5)

to make f(x)=0, x^2+6=0 or x-5=0

x^2=-6; x=±√6i

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