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ch4aika [34]
3 years ago
10

I really need some help on this question

Mathematics
1 answer:
Leya [2.2K]3 years ago
3 0

Answer:

What is the car's rate in kilometers per minute?

0.9\frac{km}{min}

How many kilometers will the car travel in 5 minutes?

4.5\ km

Step-by-step explanation:

If we know:

\frac{54\ km}{1\ hour}

And there are 60 minutes in an hour:

\frac{1\ hour}{60\ minutes}

We can do:

\frac{54\ km}{1\ hour} * \frac{1\ hour}{60\ minutes} = \frac{54\ km}{60\ minutes} = 0.9 \frac{km}{min}

From here, we figure out the distance from minutes:

0.9\frac{km}{min} * 5 = 4.5\ km

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All real cube roots of 100/27
Nadya [2.5K]

4.64158883

−2.32079442+4.01973384i

−2.32079442−4.01973384i

100 is not a perfect cube so it will never have a whole root

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5 0
3 years ago
Find the area of a rectangle is 3/4 inch and a width of 6 inches.
aksik [14]
Multiply 3/4 and 6 inches, which gave me 4 and 1/2 as the area. 
3 0
3 years ago
Researchers are conducting a study in an attempt to establish a linear relationship between the number of online music video vie
Charra [1.4K]

Answer:

d. 0.0948 ± 4.032(0.0279)

Step-by-step explanation:

A 99% confidence interval for the coefficient of promotional expenditures is, First, compute the t critical value then find confidence interval.

The t critical value for the 99% confidence interval is,  

The sample size is small and two-tailed test. Look in the column headed es = 0.01 and the row headed in the t distribution table by using degree of freedom is here

for (n-2=5) degree of freedom and 99% confidence ; critical t =4.032

therefore 99% confidence interval for the slope =estimated slope -/+ t*Std error

= 0.094781123 -/+ 4.032* 0.027926367 = -0.017822 to 0.207384

3 0
3 years ago
HELP
Daniel [21]
The answer is 3 blocks per minute, because 30 divided 10 = 3.

6 0
4 years ago
8 yd equal what feet
harina [27]
 if you were to divide  24 feet by 3 you would get 8

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7 0
4 years ago
Read 2 more answers
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