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julsineya [31]
3 years ago
5

What things Are a decameter long

Mathematics
2 answers:
Anuta_ua [19.1K]3 years ago
6 0
A three-story building (height), the average length of a human's digestive tract, and the approximate length of an endzone in a footbal field.
erma4kov [3.2K]3 years ago
3 0
A tuck without a trailer and height of a three story building.
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A police officer records the speeds of vehicles on a road. What percent of the vehicles were traveling between 41 and 45 miles p
olya-2409 [2.1K]

Answer:

28%

Step-by-step explanation:

Here is the missing table from the question:

Speed (mph) Number of Vehicles

36-40                2

41-45               14

46-50               18

51-55               12

56-60                4

Given: A police officer records the speeds of vehicles on a road.

Now, finding the percent of vehicles traveling between 41 and 45 miles per hour.

First, calculating the total number of vehicles.

Total vehicles= 2+14+18+12+4= 50

Vehicles travelling at speed of 41-45 mph= 14

Formula;  percent of vehicles traveling between 41 and 45 mph= \frac{vehicles\ travelling\ 41-45\ mph}{Total\ number\ of\ vehicles} \times 100

⇒ Percent of vehicles traveling between 41-45 mph= \frac{14}{50} \times 100= 14\times 2

∴ Percent of vehicles traveling between 41-45 mph is 28%

4 0
3 years ago
A truck can be rented from Company A for ​$100 a day plus ​$0.20 per mile. Company B charges ​$60 a day plus ​$0.70 per mile to
denis23 [38]

Answer:

Step-by-step explanation:

First, we write the rental cost with each company:

Company A Pa = 100 + 0.2*m

Company B Pb = 60 + 0.7*m

Where m: miles travelled

Now, we need to find "number of miles in a day at which the rental costs for Company A and Company B are the same". This means Pa = Pb. Then:

100 + 0.2*m = 60 + 0.7*m

Solving the equation for m by taking 0.2m and 60 on both sides:

100 + 0.2*m - 0.2*m - 60 = 60 + 0.7*m - 0.2*m - 60

40 = 0.5*m

Finally, dividing 0.5 on both sides:

m = 80

4 0
3 years ago
Find the percent of change in the perimeter.
WINSTONCH [101]

Answer:

-30%

Step-by-step explanation:

currently, the perimeter is: 4 + 6 + 4 + 6 = 20 in.

when the width of 4 in is decreased by 3 in, the new width become (4-3) in = 1 in

therefore, the new perimeter is: 1 + 6 + 1 + 6 = 14 in

the change in perimeter is: 20 in - 14 in = 6 in

now, the percent of change in perimeter will be:

\frac{change- in -perimeter}{original -perimeter} *100 = \frac{6}{20}*100 = 30%

BUT because this change is a DECREASE, you have to put a NEGATIVE sign before the value to inducate that it's a decrease, so

change in perimeter = -30%

7 0
3 years ago
What is the cost of 23.5 gallons of gas
Snezhnost [94]

Answer:

Too much

Step-by-step explanation:

I did the math myself

3 0
2 years ago
PLEASE HELP!! what is the horizontal asymptote of f(x)=2/3^x? Is it on the x-axis or the y-axis?
anygoal [31]

Hey there! :)

Answer:

y = 0, also known as the x-axis.

Step-by-step explanation:

The equation f(x) = \frac{2}{3} ^{x} is an exponential function.

There is an asymptote at y = 0, or the x-axis because:

\frac{2}{3} ^{x}\neq  0

An exponential function, unless containing a vertical shift, can never cross the x-axis resulting in an asymptote at y = 0.

4 0
4 years ago
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