4 years ago

What is the slope of the line? -5/2 -2/5 2/5 5/2

Mathematics

2 answers:

fredd [130]4 years ago

3 0

(0,-1)(2,4)
slope = (4 + 1)/(2-0) = 5/2

answer is 5/2 (last choice)

ch4aika [34]4 years ago

3 0

5/2 the last choice

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3 years ago

Alice cycles to Carla's house at 12 mph and returns by car at 36 mph. If the round trip takes 1 hour, how far away from Carla do

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Answer:

Alice lives 9 miles far away from Carla.

Step-by-step explanation:

Given:

Alice cycles to Carla's house at 12 mph and returns by car at 36 mph.

If the round trip takes 1 hour.

Now, to find the distance from Carla to Alice house.

So, let the distance between the houses of Carla and Alice be $x$ .

Now, we solve by using the formula:

Distance/speed = time

Alice cycles to Carla house = $\frac{x}{12}$

And return by car = $\frac{x}{36}$

Time taken for round trip = 1 hour.

Adding both the distance to get the value of x:

$\frac{x}{12}+\frac{x}{36}=1$

$=\frac{3x+x}{36}=1$

$=\frac{4x}{36}=1$

Dividing both sides by 4 we get:

$x=9$

Therefore, Alice lives 9 miles far away from Carla.

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3 years ago

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padilas [110]

The answer is 71.4 miles per hour

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3 years ago

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3 years ago

H and J are both between G and K such that GH = JK and H is between G and J.

DIA [1.3K]

Answer:

Step-by-step explanation:

So the order of the points is: GHJK

GH = x+10 =JK

HJ=8

JK=2x-4

JK = x+10=2x-4

x+10=2x-4

10+4=2x-x

x=14

GH= 14+10 =24

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3 years ago