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LiRa [457]
3 years ago
10

IM GIVING BRAINLIEST!!!

Mathematics
1 answer:
FromTheMoon [43]3 years ago
4 0

Answer:

Step-by-step explanation:

The relationship between speed, distance, and time is easily remembered when you consider that speed is written in terms of units of distance per units of time. (miles per hour, or kilometers per hour, for example) Of course "per" means "divided by".

speed = distance/time

speed = (750 m)/(1/3 h) = 2250 m/h = 2.25 km/h

Logan's average speed is 2.25 kilometers per hour.

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Please answer correctly
Ganezh [65]

URS= 20º

Hope this helps!!

8 0
3 years ago
An office manager buys 34 chairs for the new office. Each chair costs $205.
erica [24]
It should be $6970 because you do $205 x 34 :)
4 0
3 years ago
Read 2 more answers
Starting at sea level, a submarine descends at a rate of 65 meters per minute. Relative to sea level, where is the submarine 10
Stolb23 [73]

Answer:

Step-by-step explanation:

It's awfully deep.

1 minute = 65 meters

10 minutes = 10 * 65 = 650 meters below sea level.

7 0
3 years ago
Simplify the following expression completely, where x is greater than or equal too 0.
Dennis_Churaev [7]
First you want the numbers under the radical to be the same so you can combine like terms.

x \sqrt{5xy^4} =x \sqrt{5x*^4y} = xy^2 \sqrt{5x}
\sqrt{405x^3y^4} =  \sqrt{5x*81x^2y^4} =9xy^2 \sqrt{5x}
\sqrt{80x^3y^4} =  \sqrt{5x*16x^2y^4} = 4xy^2 \sqrt{5x}

Now add together to get 14xy^2 \sqrt{5x}
7 0
3 years ago
Read 2 more answers
Please Help! Will mark brainliest if correct! THANK QQQQQQQQQQQQQQQQQQ!
Fiesta28 [93]

Answer:

About 28.26 inches.

Step-by-step explanation:

The formula for circumfrence is c = 2(pi) * r.

We know that r = 4.5 (because the diameter is 9 inches).

So, the equation is c = 2(pi) * 4.5

Let's solve:

c = (2*3.14) * 4.5

c = 6.28 * 4.5

c = 28.26

Therefore, the final answer is 28.26 inches.

Of course, this is not exact because pi is irrational and goes on forever, but the question is asking for an estimate anyways.

3 0
3 years ago
Read 2 more answers
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