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Alina [70]
3 years ago
5

Calculate the diameter of Circle J if the circumference is 100.48 centimeters

Mathematics
1 answer:
Svet_ta [14]3 years ago
5 0

Answer:

its 100.43 centimeters

Step-by-step explanation:

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Gerry's electric toothbrush rotates the brush 125 times per second.
makkiz [27]

Answer:

Her electric toothbrush makes 210,000 rotations in one week

Step-by-step explanation:

Note that:

  • 1 minute = 60 seconds
  • 1 week= 7 days

∵ Gerry brushes her teeth for two minutes, twice a day

→ Twice means times 2

∴ Gerry brushes her teeth for 2 × 2 = 4 minutes a day

∵ Gerry's electric toothbrush rotates the brush 125 times per second

∵ 1 minute = 60 seconds

→ Multiply 125 by 60 to find the number of rotating in 1 minute

∴ Gerry's electric toothbrush rotates 125 × 60 = 7,500 in 1 minute

∵ Gerry brushes her teeth for 4 minutes a day

→ Multiply it by 4 to find the number of rotation in 1 day

∴ Gerry's electric toothbrush rotates 7,500 × 4 = 30,000 in 1 day

∵ 1 week = 7 days

→ Multiply the number of rotation in 1 day by 7 to find it in 1 week

∴ Gerry's electric toothbrush rotates 30,000 × 7 = 210,000 in 1 week

∴ Her electric toothbrush makes 210,000 rotations in one week

3 0
3 years ago
a baseball team played 35 games and won 4/7 of them. How many games were won? How many games were lost?
nikklg [1K]
Won: 4/7 x 35 = 20
lost: 3/7 x 35 = 15
6 0
3 years ago
Which statement describes f(x)=
VARVARA [1.3K]

Answer:

A

Step-by-step explanation:

7 0
2 years ago
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What is the input value for which f(x)=3
Zina [86]

Answer:

-3

Step-by-step explanation:

Because f(x) = y so when y=3 what is input value (x)

When y is 3 x is -3

8 0
2 years ago
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Which place is the 7 in 115.87
kirill [66]

Answer:

Hundredth

Step-by-step explanation:

Hundrends, Tens, decimal, tenth, hundredth

4 0
2 years ago
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