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IRINA_888 [86]
3 years ago
9

What is circumference? Please select all that apply:

Mathematics
1 answer:
Elina [12.6K]3 years ago
7 0

Answer:

A, C and D are correct.

\

Step-by-step explanation:

A is correct.

B is false; that space is the "area" of the circle.

C is true.  C = πd

D is true.  C = 2πr

E is false.  Way off.

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Find the distance between the points (2,2) (5,5)
Ugo [173]

Answer: root18


Step-by-step explanation:

A (2,2) x1=2 y1=2

B (5,5) x2=5 y2=5

D(AB) = root [(x2-x1)^2 + (y2-y1)^2]

= root [(5-2)^2 + (5-2)^2]

= root [3^2 + 3^2]

= root (9+9)

D(AB)=root18




mark the brainliest plzz

3 0
3 years ago
What does x equals to if 3( x + 7 ) =57
zepelin [54]

3(x + 7) = 57 |÷3

x + 7 = 57/3

x + 7 = 19 |-7

x = 19 - 7

x = 12

7 0
2 years ago
100 POINTS!!!!! AND BRAINLIEST!!!!!!
Aleksandr-060686 [28]

Answer:

x = 6/3y+1

Step-by-step explanation:

x+3xy=6

Step 1: Factor out variable x.

x(3y+1)=6

Step 2: Divide both sides by 3y+1.

x(3y+1) / 3y+1

so x = 6/3y+1

6 0
2 years ago
Read 2 more answers
Number 6. I have no idea how to do this because the question doesn’t give enough information
Savatey [412]

{13}^{2}  =  {5}^{2}  \times {b}^{2}  \\ 169 = 25 \times  {b}^{2}  \\ 165 - 25 =  {b}^{2}  \\ 144 =  {b}^{2}  \\  \sqrt{ {b}^{2} }  =  \sqrt{144}  \\ b = 12

3 0
3 years ago
K+2 over 3= -7 <br> How do u solve this problem
harkovskaia [24]
K+2/3=-7
K+2=-7x3
K+2=-21
K=-19
3 0
3 years ago
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