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Diano4ka-milaya [45]
3 years ago
11

Giving brainlist to whoever answers

Mathematics
1 answer:
SpyIntel [72]3 years ago
3 0

Answer:

144m2

Step-by-step explanation:

I think very carefully on my brain is it cirrect?

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if your bicycle tire has a diameter of 9 inches. how many rotations does each tire make if you travel 300 feet?
Vesnalui [34]
Step One
Calculate the number of feet traveled in 1 rotation.

Formula
C = π*d
P = 3.14
d = 9 inches = 9/12 feet = 3/4 of a foot.

C = 3.14 * 3/4 = 2.355 So that means that every time the tire turns around 1 complete turn, the distance traveled on the ground is 2.355 feet.
 
Step Two
Figure out the number of revolutions.
1 revolution = 2.355 feet
x revolutions = 300 feet.

1/x = 2.355/ 300  Cross multiply
2.355 feet * x = 1 rev * 300 feet
2.355 x = 300 rev Divide by 2.355
x = 300 / 2.355 
x = 127.39 revolutions. <<<< Answer

8 0
3 years ago
I need help with this
rodikova [14]
You need to expand (4x-7)(x+3), multiplying each term in the first bracket by each term in the second bracket, in order to get 4x^2+5x-21. Hope that helps!
5 0
3 years ago
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7j + 5 - 8k when j = 0.5 and k = 0.25
tekilochka [14]

Answer:

I have no clue

Step-by-step explanation:

3 0
3 years ago
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Do <br><br> 5 cm<br> 5 cm<br> 5 cm<br><br> form a triangle ?
vagabundo [1.1K]

Answer:

Yes it does it forms a right triangle.

Step-by-step explanation:

4 0
3 years ago
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bruce is playing with a set of base-ten blocks. he has 65 ten-blocks and 7 one-blocks. what is the value of his blocks
Oksi-84 [34.3K]
The 65 tens blocks can be solved by doing 65x10 which is 650.  the 7 ones blocks can be solved by 1x7  which is 7 so you then add up 650 and 7 to get a grand total of 657
5 0
3 years ago
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