Gavin's anemometer measures the wind speed at 44.14 kilometers per hour. 4 times faster than the wind speed 5 hours ago. What was the wind speed 5 hours ago?

Answers

Answer 1
Answer: The answer is 176.56! BTW how is that in the elementary category?
Answer 2
Answer: I think it is 55.175 but not quite sure

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One tenth the product of 12 and 16

Answers

that is the product of a fraction and two numbers:
(1/10)(12)(16)
= 12*16/10
= 19.2
1/10(12*16) = 1/10*192 = 19.2

!!!!!!!!!!!!!!!!!! Help!!!

Answers

5. The value is 10,000.

What is the solution to the equation? 2(x – 7) = 10x + 18

Answers

x equals  negative 4 ( x=-4)
1. Expand2x−14=10x+18
2. Subtract 2x from both sides−14=10x+18−2x
3 Simplify 10x+18−2x to 8x+18−14=8x+18
4. Subtract 18 from both sides−14−18=8x
5. Simplify −14−18 to −32−32=8x
6. Divide both sides by 8−328 = x
7. Simplify 328 to 4−4 = x−4 = x
8. Switch sidesx = −4

Donna charges $25.75 for a haircut and $40.50 for a color treatment. Donna did 5 haircuts and 3 color treatment each day for 6 days. How much money did Donna earn altogether?

Answers

The answer is 1501.5

First, do 25.75 and multiply it times 5.
Second, do 40.50 and multiply it by 3.
Third, add your answers together
Fourth, multiply your answer by 6. Tada!

If the function f(x) represents the number of words that Janet can type in x minutes, what is the possible domain for the function?1) the set of integers
2) the set of irrational numbers
3) the set of non-negative integers
4) the set of real numbers

Answers

3) the set of non-negative integers
Domain has to contain whole numbers, bigger or equal to 0.

Jamina drove for 2 hours at an average speed of 40km/h. She then drove for 3 hours at an average speed of 50km/h. What was her average speed for the whole journey?

Answers

Remark

Average Speed = Total distance divided by total time.

Total Time

2 hours + 3 hours = 5 hours.  The total time is 5 hours.

Total Distance

d = rate  * time

d1 = 40 km/hour * 2 hours = 80 km

d2 = 50 km/hour * 3 hours = 150 km

d = d1 + d2

d = 80 + 150 = 230 km

Average Speed

Av = Total distance / Total Time = 230 / 5 = 46 km/hr