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Nat2105 [25]
3 years ago
6

Lines l and k are parallel to each other. mA=120 degrees. and mC=80 degrees. What is the number of degrees in mB??

Mathematics
1 answer:
djverab [1.8K]3 years ago
6 0

Answer:

45

Step-by-step explanation:

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The area of a circle is 36/pi cm^2 What is the radius of the circle?
Lady bird [3.3K]

Answer:

the  radius of the circle is 6cm

Step-by-step explanation:

the area of a circle is given to be  = 36πcm²

radius of the circle = ?

to find the radius of the circle lets start by applying  the formula for finding the area of a circle.

area of a circle = πr²

36πcm² = πr²

36π = πr²

divide both sides by π

36π/π = πr²/π

36 = r²

to get the value of r we are going to look for a way of getting rid of the square on "r" by squaring 36

r² = 36

r =√36

r = 6cm

therefore the  radius of the circle is 6cm

5 0
3 years ago
What is the formula of speed?
Galina-37 [17]

Answer:

d/t

D= Distance

T= Time

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
URGENT!! 50 POINTS FOR CORRECT ANSWER WITH EXPLANATION!!!
Veronika [31]

Answer:

the answer is -5/2

hope it helps you mate..

please mark me as brainliast

5 0
3 years ago
Write and graph an equation:
Alexxandr [17]

Answer:

y=29*x

Step-by-step explanation:

This problem is a linear function problem. We need at least two points to solve it. After finding two points we will compute the slope and then us the point-slope formula.

If you put 11 gallons of gasoline in your car it will allow you to drive 319 miles, this means that when x= 11 then, y=319. So the first point is (11,319). For the second point you now that if you have no gallons of gasoline then you won't be able to drive so, the second point is (0,0).

Now that we have to points we are able to compute the slope. The formula for the slope is:

m = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}.

this way

m = \frac{0-319}{0-11}.

m = 29.

Now that we have the slope, we can use the point-slope formula to get the equation. The point-slope formula is:

(y-y_{1}) = m(x-x_{1}) (here it doesn't matter which point you use, you will get the same result).

Substituting the point (11,319) and the slope:

(y-319) = 29(x-11)

y-319 = 29x-319

y = 29x

And we finaly get the equation!

6 0
3 years ago
What is the sum of (–6) + (–6) + (–6) + (–6) + (–6) + (–6)
nalin [4]

It looks like you've got six numbers lined up there, every one of them is the same number, and you need to have them added up.

Well, you've got (-6) listed six ==> <em>TIMES</em> <== , so the situation is the same as if you just wrote

6 x (-6)

and that's just <em>-36 </em>.



5 0
3 years ago
Read 2 more answers
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