I have 7 classes impacting my grade equally.

Mathematics

1 answer:

Nitella [24]2 years ago

5 0

Answer:

like on each assignment a 90 or 100%

Step-by-step explanation:

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Which statement makes the open sentence 12+3x=30

Sergio [31]

12 + 3x = 30 // what is x?
3x = 18
x = 6

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2 years ago

Which choices are equivalent to the expression below? Check all that apply.<br> 3sqrt8

Serga [27]

It is C, D and F

-/72

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2 years ago

What would the answer be ?

weeeeeb [17]

154
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3 years ago

Read 2 more answers

7.60. When Paul crossed the finish line of a 60-meter race, he was ahead of Robert by 10 meters and ahead of Sam by 20 meters. S

Lelechka [254]

Answer:

The number of meters Robert will beat Sam is 12 meters.

Step-by-step explanation:

Given:

When Paul crossed the finish line of a 60-meter race, he was ahead of Robert by 10 meters and ahead of Sam by 20 meters. Suppose Robert and Sam continue to race to the finish line without changing their rates of speed.

Find:

the number of meters by which Robert will beat Sam

Step 1 of 1

When Paul finishes, Robert has run 60-10=50 meters and Sam has run 60-20=40 meters.

Therefore, when Robert and Sam run for the same amount of time, Sam covers $\frac{40}{50}=\frac{4}{5}$ of the distance that Robert covers. So, while Robert runs the final 10 meters of the race, Sam runs $\frac{4}{5} \cdot 10=8$ meters.

This means Robert's lead over Sam increases by 2 more meters, and he beats Sam by 10+2=12 meters.

5 0

1 year ago

I really need help with this question!

ololo11 [35]

Same as all the other ones like this.

Since the two figures are similar . . .

-- The ratio of of their volumes is R³ .

-- The ratio of their surface areas is R² .

-- The ratio of their dimensions is R .

So R³ is 729 / 2744 .

Take the cube root of that and you'll have R .

Then square R and you'll have the ratio of their surface areas.

5 0

2 years ago