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4 years ago

If the train that megan is riding covers 80miles in 2hours how fast is the train traveling

Mathematics

1 answer:

Gelneren [198K]4 years ago

7 0

The Train Is Running 40 MPH

How To Show Ur Work: ^^^^^^^

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Please help me with this question!!!!!

Naddika [18.5K]

Answer:

Equation of line in slope-intercept form that passes through (4, -8) and is perpendicular to the graph $y= \frac {2}{5} x - 3$ is below

$y = - \frac {5}{2} x + 2$

Step-by-step explanation:

Slope of the equation $y= \frac{2}{5} x -3$ is $m_1 = \frac{2}{5}$

Since slopes of perpendicular lines are negative reciprocal of each other, therefore slope of other line is given as

$m_2 = - \frac {1}{m_1} = - \frac {5}{2}$

Equation of line in point slope form is given as

$y-y_1=m_2(x-x_1)$

Here (x1, y1) = (4, -8)

$y+8 = - \frac{5}{2} (x-4)$

Simplifying it further

$y = - \frac {5}{2} x + \frac {5}{2} 4 - 8$

$y = - \frac {5}{2} x + 2$

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3 years ago

Someone help me asappppp!!! Will mark brainliest if right hurry!!!!!!

Readme [11.4K]

They are similar AEB and BDC?

5 0

3 years ago

Read 2 more answers

Calculate the area of the irregular polygon shown below:

MAXImum [283]

That's the diagram..
(12×3) + 3(0.67×7) = 50.07inches²
≈ 50inches²

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3 years ago

There is a bag filled with 4 blue and 5 red marbles.

kkurt [141]

Answer:

Step-by-step explanation:

There are 4 blue, 5 red and total of 9 marbles.

If two marbles are taken and we are looking for exactly one red, then it is:

red, then blue or blue, then red

Find the probability of each case:

P(r, b) = 5/9*4/8 = 5/18
P(b, r) = 4/9*5/8 = 5/18

Probability of exactly one red:

P = 5/18*2 = 5/9

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3 years ago

Divide 1/3 yd by 9/13 ? please show work

babunello [35]

Answer:

13/27

Step-by-step explanation:

1/3 ÷ 9/13

Copy dot flip

1/3 * 13/9

13/27

5 0

3 years ago