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Elodia [21]
2 years ago
11

What is the reciprocal of 9/2 and of 4/7 !pleasssee

Mathematics
1 answer:
Kitty [74]2 years ago
6 0

Answer:

2/9 and 7/4(or 1  3/4)

Step-by-step explanation:

A reciprocal is just the original  number flipped.

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Read 2 more answers
A 3-gallon tub of ice cream yields about 90 scoops of ice cream. There are roughly 3785 cubic centimeters in 1 gallon. Determine
ASHA 777 [7]

Answer:

The radius of the scoop is r = 3.1 cm

Step-by-step explanation:

Since 3 gallons yields 90 scoops, and 1 gallon = 3785 cm³.

3 gallons = 3 × 3785 cm³ =  11355 cm³

So we have 11355 cm³ in 3 gallons which is also the volume of 90 scoops.

Since 90 scoops = 11355 cm³, then

1 scoop = 11355 cm³/90 = 126.2 cm³

Now, if each scoop is a sphere, the volume is given by V = 4πr³/3 where r is the radius of the scoop. Since we need to find the radius of the scoop, r, making r subject of the formula, we have

r = ∛(3V/4π)

Substituting V = 126.2 cm³, we have

r = ∛(3× 126.2 cm³/4π)

= ∛(378.6 cm³/12.57)

= ∛30.13 cm³

= 3.1 cm

So, the radius of the scoop is r = 3.1 cm

5 0
3 years ago
−8x=<br> \,\,7-(7.2x+8.8)+x<br> 7−(7.2x+8.8)+x
katrin [286]

Answer:

math was made just so we can be bored

Step-by-step explanation:

7 0
3 years ago
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