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ioda
2 years ago
9

Zach can run 7 1/2 miles in 1 1/2 hours find the average speed in miles per hour

Mathematics
1 answer:
PtichkaEL [24]2 years ago
8 0

Zach is running 5 miles an hour.

Using division we can do 7 1/2 / 1 1/2 we would get 5.

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A can of tennis balls costs $6. The total cost c of n cans, including sales tax t, is given by the equation c = 6n + t. Which is
lora16 [44]

Answer:

The reason why c = 6n + t is the same as c - t = 6n is because c is the sum of the addition problem. 6n and t are the addends. The inverse operation for addition is subtraction. c is the cost that will be reduced by t. The answer is still 6n.

3 0
3 years ago
The monthly profit for a company that makes decorative picture frames depends on the price per frame. The company determines
Anvisha [2.4K]

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A new shoe comes in three colors: tan, navy, or black. It also comes in full sizes 4 to 11. If a pair of shoes is chosen at rand
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5 0
3 years ago
if the sin of angle x is 4/5 and the triangle was dilated to be two times as big as the orginal, what would be the value of the
Kobotan [32]

Answer:

There will be no change. It will still be 4/5

Step-by-step explanation:

When one performs a dilation of a triangle, all sides get affected. In this case, since the dilation is by a factor of two, the sides will double their lengths.

But recall that dilations will create similar triangles, which means that their angles at the vertices remain the same.

The trig functions of angles depend only on the actual angle they are applied to, so, since the angles remain the same, the sine value will stay the same: "4/5".

6 0
3 years ago
Write three consecutive numbers starting with number n+1, where n is natural number. Find the sum of those numbers and prove tha
netineya [11]

Consecutive numbers differ by one, which means that if you start with a certain integer x, you obtain the next integer by adding one.

So, if you start with n+1, the three consecutive numbers are

n+1,\quad (n+1)+1 = n+2,\quad (n+2)+1 = n+3

The sum of these three numbers is

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This number is divisible by 3 because you can write it as

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Note that this is true in general: the sum of three consecutive numbers is always divisible by three, because it is three times the middle number.

5 0
3 years ago
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