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Sliva [168]
3 years ago
12

Using π = 3.14, what is the circumference of a circle with a radius of 12 units?

Mathematics
1 answer:
djverab [1.8K]3 years ago
4 0

Answer:

452.16

Step-by-step explanation:

πr²

π=3.14

3.14 x 12² = 452.16

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kicyunya [14]
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Lol, that took a while, hope it helps!

7 0
3 years ago
Write the number with the same value as 28 tens
Sonbull [250]
280 is the answer
______________________________________
                                                                                        
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2 years ago
Consider the two expressions 4b(b+1) and (2b+7)(2b-8). Compare their values if b=-3, b=-2, and if b=10. Is it true that for an v
frutty [35]

Answer:

FIRST EXPRESSION:

-  If b=-3, the value of 4b(b+1) is  24

-  If b=-2, the value of 4b(b+1) is  8

- If b=10, the value of 4b(b+1) is  440

 SECOND EXPRESSION:

-  If b=-3, the value of (2b+7)(2b-8)) is  -14

-  If b=-2, the value of (2b+7)(2b-8)) is  -36

- If b=10, the value of (2b+7)(2b-8)) is  324

Yes, for any value of "b" the value of the first expression is greater than the value of the second expression.

Step-by-step explanation:

Substitute the given values of "b" into each expression and evaluate.

- For the first expression 4b(b+1), you get:

If b=-3 → 4(-3)(-3+1)=24

If b=-2 → 4(-2)(-2+1)=8

 If b=10 → 4(10)(10+1)=440

 - For the second expression (2b+7)(2b-8)), you get:

If b=-3 → (2(-3)+7)(2(-3)-8)=-14

If b=-2 → (2(-2)+7)(2(-2)-8)=-36

 If b=10 → (2(10)+7)(2(10)-8)=324

You can observe that for any value of "b" the value of the first expression is greater than the value of the second expression.

7 0
3 years ago
How many thirds in 10?
n200080 [17]
Its 30 . hope this helps u 
5 0
3 years ago
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