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LuckyWell [14K]
3 years ago
8

Please help with questions 7. 8. and 9.​

Mathematics
1 answer:
Temka [501]3 years ago
6 0

Answer:

Question 9 = 5.5 hours (Cross multiplication)

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Please help me out with this!!!!!!
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In a parallelogram, opposite sides are the same: we have

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7 0
3 years ago
A ping pong ball has a diameter of 4cm. How many ping pong balls will fit in a room that is 9.5 meters long, 7.5 meters wide, an
Ivahew [28]

Answer:

6042915 balls.

Step-by-step explanation:

Volume of a ping pong ball is;

V = (4/3)πr³

diameter of ping pong ball is given 4cm = 0.04 m

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V = (4/3)π(0.02³)

V = 0.00003351032 m³

Room is 9.5 meters long, 7.5 meters wide, and 3 meters high.

Volume; V = 9 × 7.5 × 3 = 202.5 m³

Number of ping pong balls that will fit into the room = volume of room/volume of ping pong balls = 202.5/0.00003351032 = 6042914.540956151

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6 0
3 years ago
What is the greatest common factor of 15 and 30
storchak [24]
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5 0
3 years ago
Please help and explain!! I got 14x +0​
Inga [223]

Answer:

[C] 16

Explanation:

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= 7x + 8 + −7x + 8

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= 7x + 8 + −7x + 8

= (7x + −7x) + (8 + 8)

= 16

4 0
3 years ago
Read 2 more answers
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