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labwork [276]
4 years ago
12

Whats the perimeter of a semicircle of 6cm​

Mathematics
1 answer:
pashok25 [27]4 years ago
3 0

Answer:

P = 15.42 cm

Step-by-step explanation:

Perimeter of circle = (πD/2)+D

Where D = 6 cm

P =( (3.14)(6)/2) + 6

P = (3.14)(3)+6

P = 9.4 + 6

P = 15.4 cm

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Worksheet #26
Katena32 [7]
40+24=64
64/2=32
The greatest number of marbles in each bag is 32
8 0
3 years ago
the prices of backpacks at a store are $22, $16, $39, $35, $19, $34, $20, and $26. Find the mean absolute deviation of the price
Andrei [34K]
The MAD = 7.21875.

Hope this helps.
8 0
3 years ago
A triangular frame has sides that measure 15'-7",20'-4" and 26'-2". What is the total length of three sides?
meriva

Answer:

The total length of three sides is 62'-1"

Step-by-step explanation:

We know that 1 foot = 12 inches and 1' = 12''

Part 1)

We also know that side 1=15'-7", side 2=20'-4", side 3=26'-2"

To find the total length of three sides sum the three sides

So the total length=side 1+side 2 +side 3

Now we substitute

Total length=15'-7"+20'-4"+26'-2"

Total length=(15'+20'+26')+(7"+4"+2")

Total length=(61')+(13")

Remember that 12"=1'

13"=12"+1"=1'+1"

Substitute again

Total length=(61')+(1'+1")

Total length=(62')+(1")---------> 62'-1"

<u>Therefore the answer is the total length of three sides is 62'-1"</u>

4 0
3 years ago
С<br> 15 yd<br> 8 yd<br> What is the length of the hypotenuse?<br> C=<br> yards
ddd [48]

Answer:

c = 120

Step-by-step explanation:

8 x 15 = 120 so there the answer

6 0
3 years ago
Find the solution to the system of equations.
VARVARA [1.3K]

Answer:

(2,3)

Step-by-step explanation:

use the equal values method.

set y equal to itself.

y = -2x+7 but also 5x-7

-2x+7=5x-7   ............................. solve the equation

7x=14

x=2

Now substitute the x value into one of the equations given. for example i'll do -2x+7.

-2(2) +7 =y

-4+7=y

3=y

so thats your answer

x=2, y=3

(2,3)

6 0
4 years ago
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