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3 years ago

Express .000879 as a percent

Mathematics

1 answer:

never [62]3 years ago

7 0

Answer:

0.0879% would be the correct answer.

Step-by-step explanation:

You would take .000879 and multiply it by 100

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218 students went on a field trip. Nine buses were filled and 20 students traveled in cars. How many students were in each bus?

konstantin123 [22]

Answer:

22 students

Step-by-step explanation:

218 students - 20 students = 198 students on buses

198 students / 9 buses = 22 students per bus

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3 years ago

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Earth revolves around the Sun in 365 days, but the planet Mercury does so in only 88 days. Compared to Earth, how many more comp

Elena L [17]

Answer:

In a 1000 days Mercury will make 8.624 more revolutions than Earth!

Step-by-step explanation:

<u>Earth</u> takes 365 days to make a complete revolution.

we can say that the rotational speed of Earth is $\dfrac{1}{365}\frac{\text{rev}}{\text{day}}$

so, in a 1000 days how many revolutions will Earth have made?

$\dfrac{1}{365}\frac{\text{rev}}{\text{day}}\times(1000\,\text{day})$

see that the 'day's cancel out. Simply multiply the two numbers!

$2.739\text{rev}$

<u>Next, do the same for Mercury</u>

we can say that the rotational speed of Mercury is $\dfrac{1}{88}\frac{\text{rev}}{\text{day}}$

as it completes 1 revolution in 88 days.

so, in a 1000 days how many revolutions will Mercury have made?

$\dfrac{1}{88}\frac{\text{rev}}{\text{day}}\times(1000\,\text{day})$

multiplying by 1/88 by 1000 yields:

$11.363\text{rev}$

The Question is how many MORE complete revolutions will Mercury make in 1000 days?

We need to subtract the revolutions of Mercury with Earth to find how far ahead is Mercury from Earth

$11.363\text{rev} - 2.739\text{rev}$

$8.624\text{rev}$

In a 1000 days Mercury will make 8.624 more revolutions than Earth!

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3 years ago

Please help me with 13-20 but I need help with 13-18 to find x because its hard for me and 19-20 to find BC and find triangle PQ

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We are seeing 30, 60, 90, triangles, and 45, 45, 90, triangles.
13. 3 root 3
14. 5 root 2
15. 7/2 root 2
16. 3/2 root 2
17. 7.5 root 3
19. bc is squared root 37
20. 32 + 32 root 3

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3 years ago

Ryan and his brother, Russell, made photo frames for their grandma's birthday. They used shells they collected from the beach ne

Scrat [10]

Answer: No. The two frames does not have the same ratio of white shells to orange shells.

Step-by-step explanation:

Ryan glued 9 white shells and 15 orange shells to the border of his frame. This will give us a fraction of:

9/15 = 3/5

The ratio is 3:5

Russell glued 8 white shells and 10 orange shells to the border of his frame. This will give us a fraction of:

= 8/10 = 4/5

The ratio will be 4:5.

Therefore, the two frames does not have the same ratio of white shells to orange shells.

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3 years ago

A farmhouse shelters 8 animals. Some are sheep and some are geese. Altogether there are 20 legs. How many of each animal are the

Novosadov [1.4K]

Answer:

I think they have 2, I could be wrong though

Step-by-step explanation:

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