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Alex Ar [27]
2 years ago
15

Prove why this makes sense.

Mathematics
2 answers:
olchik [2.2K]2 years ago
6 0

Answer:

it doesn't

Step-by-step explanation:

hehe, try again

anastassius [24]2 years ago
5 0

Answer:

You cross add

Step-by-step explanation:

so like you would do cos<em>θ </em>+ cos<em>θ </em>= cos<em>θ.  </em>1 + sin<em>θ</em> + 1 + sin<em>θ </em>= 2 = 2/cos<em>θ </em>

<em />

<em />

                                     Have a good day/night!!!!!!!!!!!

                                        Sorry if I am wrong! :) :) :)

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3 years ago
What would the answers to these be?
amm1812

The first equation, 8x - 9y = - 23

Obtain the equation in slope- intercept form

y = mx + c ( m is the slope and c the y-intercept )

to calculate m use the gradient formula

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

with (x₁, y₁ ) = ( \frac{1}{2}, 3) and (x₂, y₂ ) = (- 4, - 1 )

m = \frac{-1-3}{-4-1/2} = (- 4)/- \frac{9}{2} = \frac{8}{9}

partial equation is y = \frac{8}{9} x + c

to find c substitute either of the 2 points into the partial equation

using (- 4, - 1 ), then

- 1 = - \frac{32}{9} + c ⇒ c = \frac{23}{9}

y = \frac{8}{9} x +\frac{23}{9} ← in slope- intercept form

the equation of a line in standard form is

Ax + By = C ( A is a positive integer and B, C are integers )

rearrange the slope- intercept equation into this form

multiply through by 9

9y =  8x + 23 ( subtract 9y and 23 from both sides )

8x - 9y = - 23 in standard form


4 0
3 years ago
HELP What is the approximate volume of a cone with a height of 12 in. And a radius of 9in.?
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Mama L [17]

Answer:

4^0 + 2 x 3 - 2 = 5

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please give brainliest

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2 years ago
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<u>6
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