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Lubov Fominskaja [6]
3 years ago
14

Find the area of the circle. Use 3.14 for pi A = pi r2 A= [?]

Mathematics
1 answer:
rjkz [21]3 years ago
4 0

Answer:

A = 153.86 cm^2

Step-by-step explanation:

The area of a circle is given by

A = pi r^2 where pi is approximated by 3.14 and r is the radius

We are given a diameter of 14

r = d/2 = 14/2 = 7

A = 3.14 * 7^2

A = 3.14 * 49

A = 153.86 cm^2

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Which function has the same graph as x + y = 112 OA x) = -y + 11 OB. f(x) = -x + 11 Oc. x) = x- 11 O D. x) = y-11​
Lera25 [3.4K]

Answer:

B. f(x) = -x + 11

Step-by-step explanation:

First if you rearrange the equation you get f(x) = -x + 11, like this:

x + y = 11

Minus x from both sides

y = -x + 11

F(x) and y are interchangeable so we just put f(x) in

f(x) = -x + 11

Each of the graphs are attached and we see that they are the same!

<em>Hope this helps!!</em>

<em>- Kay</em>

4 0
3 years ago
I dont understand this question <br>-32=8m<br><br><br><br>​
lorasvet [3.4K]

Answer:

m= -4

Step-by-step explanation:

the question is asking you to make the variable 'm' by its self and find what it is equal to. you divide 8 by both sides. this gets 'm' alone and -32 divided by 8 is -4.

6 0
3 years ago
Simplify each radical
const2013 [10]

Answer:

AECG

Step-by-step explanation:

1

sqrt(49) = 7

sqrt(a^2) = a

sqrt(b^2) = b

For every two variables you can take one out from under the root sign and thorough the other one away.

Answer: E

2

sqrt(36) = 6

sqrt(a^2) = a  See comment for 1.

b must be left where it is. There is only 1 of them.

6asqrt(b)

Answer: A

3. sqrt(25) = 5

sqrt(b^2) = b

a must be left alone.  There's only 1 of them.

5b sqrt(a)

answer: C

4

sqrt(81 a b)

sqrt(81) = 9

The variables must be left alone. There's only1 of them

9 sqrt(ab)

Answer G

8 0
3 years ago
A=5x+20
kirza4 [7]

Answer:

video rum is eryn rice of a local food store to the point of the lord and of a man of his name poltergeist and the lord God is the lord God is not in the land and he is the lord of Israel as he will be the

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the company is the lord God of the world of Israel and is a great place for people who are in his life 6th and I have to do that in a different way of doing school work and I am a little bit of the opposite who have not given me the opportunity for a long hub experience and I am a little more interested and I have to be a

3 0
3 years ago
Bernard solved the equation 5x+(-4)=6x+4 using algebra tiles.Which explains why Bernard added 5 negative x-tiles to both sides i
Volgvan
5x+(-4)-5x=6x+4-5x
-4=x+4
x=-8

To get rid of 5x on the left side.
6 0
3 years ago
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