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3 years ago

Choose the pair of complimentary angles

Mathematics

1 answer:

kramer3 years ago

3 0

Answer:

Step-by-step explanation:

Complementary angles are those whose sum is =90°

A) no

B)yes

C)no

D)no

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Read 2 more answers

Can someone help me with these problems? Please!

masya89 [10]

Step-by-step explanation:

2) Slope can be written as rise over run:

rise: add to the y-value
run: add to the x-value

$a) Slope=-1\ over\ 1\quad \rightarrow \quad (11 + 1, -8 - 1)\implies (12, -9)\\b) Slope=7\ over\ 2\quad \rightarrow \quad (2+2,2+7)\implies (4, 9)\\c) Slope=9\ over\ 4\quad \rightarrow \quad (-5+4,-2+9)\implies (-1, 7)$

3) Slope formula is: $\dfrac{y_2-y_1}{x_2-x_1}$

$slope=\dfrac{15-3}{5-1}=\dfrac{12}{4}=\boxed{3}$

4) Average rate of change is the slope of the given interval:

a) when x = 0, y = 0 and when x = 1, y = -3

$Slope=\dfrac{-3-0}{1-0}=\dfrac{-3}{1}=-3$

b) when x = -2, y = 0 and when x = -1, y = 3

$Slope=\dfrac{3-0}{-1+2}=\dfrac{3}{1}=3$

c) when x = 0, y = 0 and when x = 2, y = 0

$Slope=\dfrac{0-0}{2-0}=\dfrac{0}{2}=0$

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4 years ago

Choose the pair of complimentary angles ​

Choose the pair of complimentary angles