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Kisachek [45]
3 years ago
10

Which of the following best represents the average speed of a fast runner?

Mathematics
2 answers:
Lelechka [254]3 years ago
7 0
I think it's 10 meters per second.
lina2011 [118]3 years ago
6 0

The one above is correct (Just took the test)

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A plane flies at a steady rate of 40 mph while a second plane flies at a steady rate of 100 mph. The planes are 200 miles apart
seraphim [82]

About 2.5 hours or two and a half

7 0
2 years ago
I just need the answer. ( look at the picture )
monitta

Answer:

P * 300000 = 30

.01%

Step-by-step explanation:

Let P equal the percent.  Of means multiply and is means equals

We need to make sure the units are the same.  I will convert km to cm

3 km *1000m/1km  * 100cm/1m =300000 cm

Now we can write the equation

P * 300000 = 30

Divide each side by 300000

P 300000/300000 = 30/300000

P =.0001

Changing this from decimal to percent

P = .0001*100 = .01 %

7 0
3 years ago
Simplify the expression.<br><br> can anyone explain to me how to do this? please
WINSTONCH [101]

Answer:

The answer is the last one (32x^7y^15)

You can bring x to the second power (x^2) because (x) is basically x^1. This is a basic exponent rule. (x^m)^n = x^m times n.

Then you can apply this rule to (2xy^3)^5. First you bring two to the fifth power and get 32. Then you bring x^5 according to the rule. Then you bring y^15, also because of the rule.

Now you have:

x^2 times 32x^5y^15

Now you just multiply the like terms together (x^2 and x^5)

When you multiply two exponents with the same base, you add the exponents together: a^n times a^m = a^n+m.

So you end up with 32x^7y^15



5 0
3 years ago
Read 2 more answers
Solve logarithmic equation
Maksim231197 [3]

Answer:

x=6

Step-by-step explanation:

ln 1=0

x-5=1

x=6

4 0
2 years ago
Read 2 more answers
Can somebody please help I don't understand how to do this<br>​
boyakko [2]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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