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Alik [6]
3 years ago
8

Find the volume of a hemisphere whose radius is 7.5

Mathematics
1 answer:
Ivahew [28]3 years ago
4 0
The answer is 1767.16 ;)
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Josh and Greg leave from the same place
nasty-shy [4]

9514 1404 393

Answer:

  • Josh: 32 mph, 64 mi
  • Greg: 64 mph, 320 mi

Step-by-step explanation:

Let x represent Josh's rate of travel in miles per hour. After 2 hours, his distance is ...

  distance = speed · time

  distance = x · 2 = 2x

Then 2x is Greg's rate of travel After 5 hours, his distance is ...

  distance = speed · time

  distance = (2x) · 5 = 10x

The distance they are apart is ...

  10x -2x = 256

  8x = 256

  x = 32

__

Josh's rate: 32 miles per hour; Josh's distance = (2 h)(32 mi/h) = 64 miles.

Greg's rate: (32 mi/h)·2 = 64 mi/h; Greg's distance = (5 h)(64 mi/h) = 320 miles.

<em>__</em>

<em>Check</em>: 320 miles - 64 miles = 256 miles . . . . correct separation

6 0
3 years ago
ANTHONY SURVEYED 320 STUDENTS AND FOUND OUT THAT 120 OF THEM HAVE A PET BASED ON THIS INFORMATION HOW MANY
lbvjy [14]
I believe it would be 360 students.
6 0
2 years ago
7th grade math im really bad at math pls help
Soloha48 [4]

Answer:

14

Step-by-step explanation:

5x + x+96 = 180

6x+96 = 180

6x=84

x= 14

5 0
3 years ago
Two times antonio's age plus three times sarah's age equals 34. Sarah's age is also 5 times antonio's age. how old is sarah
Sidana [21]
Sarah's 10 years old.
Antonio's 2 years old.

2 x 2 = 4
10 x 3 = 30
4 + 30 = 34

2 x 5 = 10
4 0
3 years ago
Read 2 more answers
Which of the following explains why all circles are similar?
melomori [17]

Answer:

because all circles are round and just different sizes. not a different shape

4 0
3 years ago
Read 2 more answers
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