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MariettaO [177]
3 years ago
9

A _____ angle has the same measure as its arc.​

Mathematics
1 answer:
BabaBlast [244]3 years ago
4 0

Answer:

central

Step-by-step explanation:

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Whats the surface area of a cylinder with height of 12in.and the radius is 4in​
emmainna [20.7K]

Answer:

401.92 in²

Step-by-step explanation:

S.A. = 2πr²+2πrh

S.A. = 2π4²+2π4·12

S.A. = 100.48 + 301.44

S.A. = 401.92 in²

7 0
3 years ago
Please help me .............
borishaifa [10]

Answer:

The first one.

Step-by-step explanation:

For something to be considered to be a graph, every x value must have 1 y value. It does not matter if y values are the same, but you MUST make sure there is ONLY ONE of each value. So for example the second one wouldn't be a function because -5 appears twice for the x values, but with different y values. This would mean when graphed, it would fail the vertical line test (if you put a vertical line anywhere on the graph you will only get one point).

8 0
2 years ago
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An exam worth 145 points contains 50 questions. Some of the questions are worth two points and some are worth five points. How m
MatroZZZ [7]
A*5+b*2=145     
a    +b   =50       | * -2

5a   +2b=145
-2a  -2b = -100
----------------------
5a-2a    = 145-100
3a=  45
a=45:3
a=15 questions are worth 5 p
b=50-15=35 questions worth 2 p

3 0
2 years ago
2/2 - 7x-4<br> Simplify<br> - 58+4<br> 2x + 1<br> 2-1<br> 2x + 1<br> *+1<br> 2-72
Pachacha [2.7K]

Answer:

A or (2x+1)/(x-1)

Step-by-step explanation:

Let's simplify the top of the fraction first.

1. Simplify the numerator.

2x^2 -7x-4=(2x+1)(x-4)

2. Simplify the denominator.

x^2-5x+4=(x-4)(x-1)

Now we have:

((2x+1)(x-4))/((x-4)(x-1))

We see that there is an (x-4) both on the numerator and denominator.

We can remove (x-4) by division.

Doing that, we have:

(2x+1)/(x-1) or A

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3 years ago
Help please find the circumference of the circle
GREYUIT [131]

Answer:

10 i believe

Step-by-step explanation:

5 0
2 years ago
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