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Nonamiya [84]
3 years ago
10

Find the perimeter of this figure it is made up of semicircles and quarter circles

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
5 0

Answer:

16.84

Step-by-step explanation:

For perimeter, you are basically solving 2 different 1/2 circles

for the larger one, you do the equation: 3.14 x 4 = 12.56

For the smaller one, you do the equation: 3.14 x 2 = 6.28

12.56 + 6.28 = 18.84

and since I think you are putting em together you are supposed to remove 2 so the answer would be : 16.84

So, for the calculations (if doing area), you are gonna have to split the figures apart.

ok, for the first part, the 1/4 circles

Pi*2^2=12.566

12.566/4=3.1415

Since there is 2 of the same figure, you can do 1 of 2 ways

A. 3.1415x2 = 6.283

B. 12.566 / 2 = 6.283

Now for the 1/2 circle:

pi*1^2=3.142

3.142/2 = 1.571

Now to add:

1.571 + 6.283 = 7.854

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3 years ago
The can is 12cm high and 8cm in diameter. Using formula V=TT r2h, how much is in the can
scoray [572]
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Now we can calculate this.
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4 0
3 years ago
I only need help with number 9 plz
Varvara68 [4.7K]

Answer:

<h2>Letter C</h2>

Step-by-step explanation:

If we look on the number line we see that there is a point on -3, another point on -1, 2, and 7.

These points tell us our answer, but the question states it doesn't have to be in any order.

As we look at answer A we see -3, 1, 2, and -7. That's incorrect since there is no positive 1 nor an -7.

As we look at answer B we see -3, 7, 1, and -2. That's incorrect since there is no positive 1, and not a -2.

As we look at answer D we see -2, 3, 1, and 7. That's incorrect since there is no positive 2, no positive 3, and no negative 1.

C has to be the correct answer since it's the only answer left and has the 4 numbers that are on the number line.

Therefore, the correct answer is C.

Best of Luck to you.

If you have any questions, feel free to comment below.

6 0
3 years ago
Work out the answers to <br>a) 7 × (-4)<br>b) (-6) × 8<br>c) (-5) x (-9)​
kow [346]
A)-28
B)-48
C)45
Hope this helps :)
6 0
3 years ago
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