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3 years ago

What value is missing from the table? A. 4.5 B. 5.5 C. 5 D. 4

Mathematics

1 answer:

NeX [460]3 years ago

7 0

Answer:

D. 4

Step-by-step explanation:

The faster you go, the faster you get home (theoretically anyway) and vice versa. So if your speed is doubled, it'll take half the time to get home. But if your speed gets halved, it'll also take double the time to get home.

So, if at 60 mph it takes 1 hour to get home, then if your speed is divided by four to 15 mph, you need to multiply the time by the same number and thus the answer is 4.

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A person reads a books at a rate of 1 word every 0.0145 seconds. How long will it take to read 3,500 words?

Ludmilka [50]

Answer:

50.75 seconds

Step-by-step explanation:

0.0145 x 3500 = 50.75 sec

I hope this helps! Have a nice day!

4 0

3 years ago

Which does not represent an integer?

IrinaVladis [17]

Answer:

9 minus a square root is the answer I think...

Step-by-step explanation:

Integers are all positive&negative numbers + 0

7 0

3 years ago

An art teacher needs to 5 boxes of markrrs to complete a project with a class of 20 students. How many boxes of markers will he

sleet_krkn [62]

20students : 5 boxes

Divided by 5

4students : 1 boxes

28students : x boxes

28/4 = 7

28students : 7 boxes

4 0

3 years ago

A. Region C <br> B. Region D <br> C. Region A<br> D. Region B

Fittoniya [83]

Answer:

dont know

Step-by-step explanation:

8 0

3 years ago

What is the formula for calculating the area of a circle.

Tom [10]

Answer:

$A=\pi\times r^2$

Step-by-step explanation:

In order to find the area of a circle we multiply π by the radius, and to find the radius of a circle we have to look at the line that stops directly in the middle of the circle.

$\pi\times r$

Once we then have the radius, we simply multiply the radius, (with an exponent of 2) by π and then we will have our answer. Of course, round if needed.

$A=\pi\times r^2$

Hope this helps.

6 0

3 years ago