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Lesechka [4]
3 years ago
7

For 20 POINTS!! A train goes from Springfield, MA to Boston at a speed of 40 mph. On the return journey it moves at a speed of 8

0 mph. If the return journey takes an hour less than the outward journey, what is the average speed overall of the train?
Mathematics
2 answers:
DaniilM [7]3 years ago
8 0

Answer:

Magbilang kayo

Step-by-step explanation:

Magbilang kayo

Romashka [77]3 years ago
3 0

Answer:

53.33 mph

Step-by-step explanation:

sorry.. no explanation

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Simplify 8 over negative 4 divided by negative 3 over 9. 6 −6 12 −12
skelet666 [1.2K]

Answer:

6

Step-by-step explanation:

Given

\frac{8}{-4} /  \frac{-3}{9}

Required

Solve

\frac{8}{-4} /  \frac{-3}{9}

We start by converting the division sign to multiplication

\frac{8}{-4} /  \frac{-3}{9} =\frac{8}{-4} *  \frac{-9}{3}

Then, we divide -9 by 3

\frac{8}{-4} /  \frac{-3}{9}=\frac{8}{-4} *  -3

Then, we divide 8 by -4

\frac{8}{-4} /  \frac{-3}{9}=-2 *  -3

Multiply -2 and -3 to give final result

\frac{8}{-4} /  \frac{-3}{9} = 6

Hence, \frac{8}{-4} /  \frac{-3}{9} is equivalent to 6

4 0
3 years ago
Find the measure of each angle in the isosceles trapezoid WXYZ.
marshall27 [118]
X + Y = 180 so X = 122. W = X = 122. Z = Y = 58
4 0
2 years ago
What is 2x+3y=30 &amp; x+y=14<br> In elimination
puteri [66]

Answer:

x= 12 and y= 2

Step-by-step explanation:

First you would line up the equations so the x's and y's are on top of each other. Then you would multiply x+y=14 by 3 to give you 3x+3y=42. After that you subtract 2x-3y=30 and 3x+3y=42 to give you an answer of x=12. After that, you plug in x with 12 in the equation x+y=14. You subtract 12 from both sides to get an answer of 2. So ur solution is (12,2)

   

4 0
2 years ago
If the area of a triangular prism is 300 and the height is 3 what is the area of the base?
evablogger [386]
The volume of any prism is given by
.. V = Bh . . . . B is the area of the base, h is the height

You have
.. 300 = B*3
.. 300/3 = B = 100

The area of the base is 100 square units.
4 0
3 years ago
PLEASE HELP FAST FAST FAST<br> Use the interactive number line to graph the inequality -1 ≥ x.
pochemuha
Put an open circle pointing to the left on -1
8 0
3 years ago
Read 3 more answers
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