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3 years ago

A train traveled 3/4 of the distance between two cities in

Mathematics

2 answers:

Leya [2.2K]3 years ago

3 0

Answer:do you know what grade this is for?

Step-by-step explanation:

Sedbober [7]3 years ago

3 0

Answer:

70 minutes or 1 $\frac{1}{6}$ hours

Step-by-step explanation:

7/8 of an hour = 60(7/8) = 52.5

The train travels 3/4 of the distance in 52.5mins.

Find how long travelling 1/4 of the distance takes is by dividing by 3: 52.5/3=17.5

Find how long travelling 4/4 of the distance (the entire distance) takes by multiplying by 4: 17.5(4) = 70minutes

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Answer:

A. $22,500

Step-by-step explanation:

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To divide a decimal number by 10, move the decimal point one place to the left (remove a zero):

$225000./10 = $22500.0 = $22500

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3 years ago

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Quick help: Explain how to solve the following system of equations. What is the solution to the system?

romanna [79]

-3x - 4y - 2z = 0
x + 3y + 2z = 1

-2x - y = 1

-4x - 4y - 2z = 10
3x + 4y +2z= 0

-x = 10. x = -10

-2(-10) - y = 1
20 - y = 1
-y = -19
y = 19

-10 + 3(19) + 2z = 1
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47 + 2z = 1
2z = -46
z= -23

check: 2(-10)+2(19)-23=-5
-20+38-23=-5
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3 years ago

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Lubov Fominskaja [6]

How old are you is x is hmmm gc 25 cf 6

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A classmate said that line AB and line DC are parallel based on the diagram below. Explain your classmates error.

MatroZZZ [7]

<em><u>Explanation</u></em>:

The only information we have to go on is that ∠AWZ ≅ ∠XYC. However, these are not specific kinds of angles that can prove lines parallel. If we had a pair of alternate interior angles, such as ∠AWZ and ∠WZY, we could say that the lines are parallel. However, we do not have enough information.

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3 years ago