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TEA [102]
3 years ago
12

THIS IS exact and approximate pi PLS HELP ME BEFORE I FAIL​

Mathematics
2 answers:
gtnhenbr [62]3 years ago
7 0

Answer:

Approximate: C ≈ 50.27

Exact: C = 16π

Step-by-step explanation:

C = 2πr

We know that r is 8

C = 2π8

C = 16π

C ≈ 50.27

vitfil [10]3 years ago
5 0
2 x 3.14 x 8 multiply that and you’ll get the answer
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What fraction is represented by the portion of the figure that is NOT shaded? (2 out of 10 are shaded)
OverLord2011 [107]

Well let's see.

If the figure is split up into 10 pieces, then
each piece is  1/10  of the whole figure.

If  2  of the pieces are shaded, then
2/10  of the whole figure is shaded.

How many pieces are left ?

There were 10 pieces all together, and
2 of them are shaded.  Hmmm.  I think
there are probably  (10 - 2) = 8  of them left
that are not shaded.

8 pieces makes  8/10  of the whole figure.

8 0
3 years ago
I need help really please ​
stich3 [128]
It has to be lower than 6 but no less than 2, so the answer is B (if you want a more detailed explanation just comment below and I’ll explain with more detail)
4 0
3 years ago
Read 2 more answers
Let A = -4k+ 3 and B = 3k +17. If A = B, then what is the value of k?​
kupik [55]

Answer:

k=-2

Step-by-step explanation:

Using substitution to find what you're missing, (in this case k) is when you plug each letter into the other equation:

-4k+3=3k+17

So now solve for k:

subtract 3 from both sides...

-4k=3k+14

subtract 3k from both sides to combine with -4k...

-7k=14

divide -7 from both sides...

k=-2

3 0
2 years ago
6 and 3 fourths plus 3 and 1 eighth<br> what is the answer?
AnnZ [28]

Answer:

9\frac{7}{8}

Step-by-step explanation:

6\frac{3}{4} + 3\frac{1}{8}, You have to make it so they have a common denominator

6\frac{6}{8}+ 3\frac{1}{8}

This would make the answer

9\frac{7}{8}

3 0
3 years ago
Place grouping symbols in the expression so it has a value of 34.
Lady_Fox [76]

Answer:

i took this test

Step-by-step explanation:

its b

8 0
4 years ago
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