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3 years ago

HELP

Mathematics

1 answer:

fgiga [73]3 years ago

5 0

Answer:

Step-by-step explanation:

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F(x) = 2(2)2 – 3(2) + 7<br> = 2(4) – 3(2) + 7

hammer [34]

Answer:

Step-by-step explanation:

2(2)2 -3(2) + 7

2(4) - 6 + 7

8 - 6 + 7

2 + 7

5 0

3 years ago

PLEASE HELP, I’m confused. I don’t know how to do this stuff... explain your answer. Thank you!!!!

Maurinko [17]

Answer:

C) y = 2x + 3

Step-by-step explanation: You have to substitute 1 for x & 5 for y & 2 for m, but 1st do the point slope form ---> slope intercept form.

y -Y1 = m(x - X1)

y - 5 = 2(x - 1)

y - 5 = 2x - 2

+5 + 5

y = 2x + 3 --- IN SLOPE INTERCEPT FORM

Hope this helps you!!! :)

4 0

3 years ago

Properties of exponents<br> Rewrite the expression in the form b^n—— (b^2)^3/7

exis [7]

Answer:

$b^{\frac{6}{7}}$ is the required expression.

Step-by-step explanation:

$(b^2)^{\frac{3}{7}}\\\\\mathrm{Apply\:exponent\:rule:\:}\left(a^b\right)^c=a^{bc},\:\quad \mathrm{\:assuming\:}a\ge 0\\\\=b^{2\cdot \frac{3}{7}}\\\\=b^{\frac{6}{7}}$

Best Regards!

3 0

3 years ago

Which term best describes the association between variables A and B?

dimulka [17.4K]

Answer: Choice B) negative linear association

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Reasoning:

The points all go downhill as you move from left to right. We can draw a straight line that is fairly close to all of them. This is known as the regression line. The regression line having a negative slope tells us the linear association is negative. This means the correlation coefficient r is negative, so, $-1 < r < 0$ (r = -1 is not possible as not all points fall on the same straight line)

4 0

3 years ago

If one of the exterior angles of a triangle is acute, then the triangle must be:

Arada [10]

Answer:

acute

Step-by-step explanation:

Hope this helps

8 0

3 years ago

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