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3 years ago

How do you get the answer to this question?

Mathematics

2 answers:

marin [14]3 years ago

4 0

Answer:

Step-by-step explanation:

The problem, in part, that you are having is that you are giving fractions for answers and they want miles.

1 whole trip = 1000 miles

3/8 of a trip = x miles.

You have a proportion

1/(3/8) = 1000/x Cross multiply

1 *x = (3/8) * 1000 Combine of the left. Multiply on the right.

x = 3/8 * 1000

x = 3000 / 8

x = 375 miles.

If Ryan has already driven 375 miles, then how many miles remain?

James faces 1000 - 375 = 625 miles.

James wisely decided that he is only going to drive 2/5 of what is left.

625 * 2/5 = 1250/5 = 250 miles.

Answer

Ryan 626 miles

James 250 miles

Gelneren [198K]3 years ago

3 0

Answer:

Ryan: 1666 2/3 || James: 2500

Step-by-step explanation:

Divide 1000 by 3/8

Divide 1000 by 2/5

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The length of an average cat's body is 45 centimeters. How many millimeters are equivalent to 45 centimeters?

Over [174]

Answer:

450

Step-by-step explanation:

1 centimeter is equivalent to 10 millimeters . Therefore, 45 centimeters will be equivalent to;

45*10 = 450 millimeters

4 0

3 years ago

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Printing a newsletter cost $1.50 per copy plus $450 in printers fee. The copies are sold for $3 each. How many copies of the new

e-lub [12.9K]

1.50x + 450 = 3x
450 = 3x - 1.50x
450 = 1.50x
450/1.50 = x
300 = x

300 copies must be sold to break even

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3 years ago

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Let d represent the number of degrees in one angle of a regular polygon, and n represent the number of sides of the polygon to t

Lilit [14]

to know if a polygon will tessellate one of the interior angles should be a factor of 360.

each angle of regular polygon = d = (n-2)*180

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3 years ago

Express 6.83 as a mixed number

Maksim231197 [3]

6.83 as a mixed number is:

6 83/100

4 0

3 years ago

The density of oxygen is 0.001429 grams per cubic centimeter. How is this number written in

Anika [276]

We have been given that the density of oxygen is 0.001429 grams per cubic centimeter. We are asked to write the given number in scientific notation.

To convert a number into scientific notation, we write the given number as product of two numbers. One factor is a number between 1 and 10, while the 2nd factor is power of 10.

When a decimal is to the left of given number, then we need to move the decimal to right such that the number gets between 1 and 10. Then, we multiply the number by negative power of 10 that many times, we moved the decimal to right.

We can see that decimal is to left of our number. To place decimal after 1, we have to multiply 10 to 3 times. To keep the value of number same we will multiply the same negative power (negative 3).

$0.001429\times 10^3\times 10^{-3}$

$(0.001429\times 10^3)\times 10^{-3}$

$(1.429)\times 10^{-3}$

$1.429\times 10^{-3}$

Therefore, the number 0.001429 will be $1.429\times 10^{-3}$ in scientific notation.

7 0

3 years ago