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3 years ago

How do I find side b?

Mathematics

1 answer:

stiv31 [10]3 years ago

8 0

Answer:

u use cosine

and then some proportion

i am 60% sure

dont trust me

i learned this a week ago and now i forget it all help me study for the quiz i have on this tmrw?

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Simplify (-2x - 9)(-4). 8x - 36 -8x + 36 8x + 36 -8x - 36

AlekseyPX

(-2x-9)(-4) = 8x+36

I hope that helps!

4 0

3 years ago

Read 2 more answers

There is a line that includes the point ( 18,-19) and has a slope of 0 what is its equation in slope-intercept form

wolverine [178]

The equation is y = mx + b

(18, -19)

substitute these numbers in the equation

-19 = 0(18) + b

-19 is y because it is the y slot in the cordinate and I put 0 for m because m is the slope and x is 18

-19 = 0 + b

b= -19

the equation is

y = 0(x) - 19

y = -19

4 0

3 years ago

find the area of the triangle rectangle and the whole figure basically think of a triangle and rectangle together but sideways a

Katarina [22]

Answer:

Step-by-step explanation:

5 0

3 years ago

A small town surveys 250 adults, 180 of which are parents, about whether or not a park should be expanded. The results showed th

Lelechka [254]

What is the question? If you're looking for percentages then 76% of the of the adults thought the park should be expanded, 60% of the adults that wished for the park to be expanded were parents, the other 16% were adults without children, and 83% of the total parents wished for the park to expand (this isn't in reference to all of the adults, only to the parents.)

4 0

3 years ago

Find the length of an arc of 40° in a circle with an 8 inch radius

tatiyna

Radians: $s = \theta r$
$s = \frac{s}{r}(r)$
$s = \frac{40}{8}(8)$
$s = 5(8)$
$s = 40\°$
$s = \frac{4\pi}{18}$

Degrees: $s = \theta\frac{\pi}{180}r$
 $s = \frac{s\pi}{180r}(r)$
 $s = \frac{40\pi}{180(8)}(8)$
 $s = \frac{40\pi}{180}$
 $s = \frac{4\pi}{18}$
 $s = 40\°$

Arc Length = $\frac{\theta}{360\°} * C$
Arc Length = $\frac{5\°}{360\°} * 2\pi r$
Arc Length = $\frac{1}{72} * 2(3.14)(8)$
Arc Length = $\frac{1}{72} * 2(25.12)$
Arc Length = $\frac{1}{72}(50.24)$
Arc Length ≈ $0.698131701$

3 0

4 years ago