3 years ago

HELP ME PLZZZZZZZZZZZZZZZZZ!!!!!!!!!!

Mathematics

1 answer:

aev [14]3 years ago

3 0

Answer:

Step-by-step explanation:

I multiplied 7 x 9 and got 63 so I figure 5 x 9 is right.

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!!!! HELPPP NOWWW PLSSS ITS DUE IN 1 HOUR !!!!!!

pshichka [43]

Answer:

The last one is the answer

Step-by-step explanation:

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3 years ago

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What is the average rate of change of the function over the interval x = 0 to x = 8?

salantis [7]

Ans: The average rate of change of function = $\frac{1}{102}$ (in fraction)

Explanation:
The average rate of change of function = $\frac{f(b) - f(a)}{b - a}$

Where
b = 8 (x's upper bound)
a = 0 (x's lower bound)

$f(b) = f(8) = \frac{2*8-2}{5*8-6} = \frac{7}{17} \\ f(a) = f(0) = \frac{2*0-2}{5*0-6} = \frac{1}{3} \\ \frac{f(b) - f(a)}{b-a} = \frac{ \frac{7}{17} - \frac{1}{3}}{8} = \frac{1}{102}$

Hence the average rate of change of function = $\frac{1}{102}$ (in fraction)

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3 years ago

Two angles are supplementary if the sum of their measures is 180 degrees. find two supplementary angles such that the smaller is

kaheart [24]

If the larger angle is x and the smaller angle is y, y=(1/2)x+30 since it's 30 more than 1/2 of it. In addition, x+y=180 since they are supplementary. Plugging y=(1/2)x+30 into that, we get x+x/2+30=180=1.5x+30. Subtracting 30 from both sides, we get 1.5x=150. Next, we can divide both sides by 1.5 to get x=100 and y=(1/2)*100+30=50+30=80

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3 years ago

A spinner has three colors: red, blue, abd yellow. The red and blue sectors are the same size. If you spin twice, the probabilit

givi [52]

Answer:

36%

Step-by-step explanation:

Red and blue is 8%

and= multiply

0.08 unmultiply = 0.64 or 64%

yellow = 100-64= 36%

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3 years ago

Multiply (9x + 2) (2x - 3). What is the product?

garik1379 [7]

Answer:

18x^2-23x-6

Step-by-step explanation:

multiply: 9x*2x-9x*3+2*2x-2*3

18x^2-9X(3)3+2(2X)-2(3)

18X^2-27x+4x-6

18x^2-23x-6

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3 years ago