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Nimfa-mama [501]
2 years ago
11

Car travels 100 m in 5 seconds. What is the speed the car?

Mathematics
2 answers:
amm18122 years ago
8 0
To figure this question out, we simply must do a little division and multiplication. I see that you've given the conversion rate of miles to meters, so I assume that the car travels 100 METERS per 5 seconds, rather than 100 miles per 5 seconds. Now, we can take the 100 meters and divide by 5 to figure out how many meters is traveled per second. 100 divided by 5 is obviously 20, very easy division. Now, here comes the large numbers. We know that 3600 seconds is in an hour, so we can do 20 meters times 3600 seconds to find out how many meters is traveled per hour.


20 * 3600 = 72,000

Now that we have that number, we can convert the amount of meters traveled per hour (72,000) into miles. As listed above, 1 mile equals 1609 meters. So to convert, all we have to do is 72,000 divided by 1609.

72,000 / 1609 = 44.7

So there we have it, the answer is:

<span>D. 44.7 miles per hour
</span>
I hope this cleared up any confusion you may have been having.

- Sofie


weqwewe [10]2 years ago
4 0
How you do this is using the formula speed = distance/time. So this is 100/5 which is 20 meters a second. Using the conversion factor (can google "20 meters per second is how many mile") 20 meters a second = 44.7 miles per hour.

In conclusion, the answer you're looking for is D. 44.7 miles per hour.
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<h3>Answer: 24 yards, choice D</h3>

There are 4 sides to this figure (trapezoid). The left slanted side and the right most vertical side, combined with the top and bottom horizontal sides, will get us the perimeter.

left slanted side = 5 yards

right most vertical side = 4 yards (see note below)

bottom side = 9 yards

top side = 6 yards

Add up the four sides mentioned: 5+4+9+6 = 9+15 = 24

note: the rectangle has opposite sides that are the same length. While the right most side isn't labeled, it is the same length as the left side of the rectangle, so both are 4 yards long.

Another thing I should probably mention is that we do not add in the interior 4 yard side. The perimeter is only the outer or exterior sides we care about. Think of it like we're trying to fence around some property lot and we don't want to subdivide the property up. Finding the perimeter will help us find the amount of fencing needed to surround the property.

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3 years ago
Nan and Santo are designing a coffee table using 4 inch tiles. Nan uses 30 tiles and Sato uses half as many how many . how many
KiRa [710]
First, you have to find half of 30. To find "half" means that you have to divide by 2. 30 divided by 2 is 15, because 15 + 15 = 30.
30 + 15 = 45
Salo and Nan used 45 total tiles.
Finally, to find out if they have enough tiles you have to divide 36 and 24 by 4. This is because that will tell you how many 4 inch tiles need to be used. So, 36/4 is 9, and 24/4 is 6.
9 tiles + 6 tiles = 15 tiles
Yes, they will have enough tiles to cover the table.
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tekilochka [14]

You can't answer this you have no actual information. You don't know how many assignments there are.

a/2 would be the only possible answer

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Answer:

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Step-by-step explanation:

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