3 years ago

Need help with these problems

Mathematics

1 answer:

Amanda [17]3 years ago

7 0

Use Photomath; it’s free for ios and android and shows you the steps to solve, too. i did 22

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natali 33 [55]

No because the exact opposite of -3 would be 3.

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3 years ago

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liberstina [14]

The second one is correct

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3 years ago

I. THE SET OF POINTS ON A PLANE THAT ARE THE SAME DISTANCE FROM A CENTER POINT.

alina1380 [7]

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3 years ago

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goldenfox [79]

Answer:

I/rt =P

Step-by-step explanation:

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divide by rt

which would =to I/rt=P

8 0

3 years ago

Train a travel 175 miles in a four hours. for train b y=43.5x represents its rate of speed over the same 4 hours which train tra

stepan [7]

Answer:

Train A is faster by a factor of 1.01

Step-by-step explanation:

Given:

Train A:

Distance = 175 Miles

Time = 4 Hours

Train B:

y=43.5x

To Find:

which train travels at a faster rate in by what factor =?

Solution:

The speed of the train A = $\frac{Distance}{time}$

The speed of train A = $\frac{175}{4}$

The speed of train A = 43.75 miles per hour

Speed of the train B is the slope of the given line

The standard equation of the slope of the line is

y = mx+b

where m is the slope

and we are given with

y = 43.5x

So comparing with the standard equation

m = 43.5

Hence the speed of train B is 43.5 miles per hours

Train A travels faster

$Rate =\frac{\text{speed of train A}}{\text {Speed of train B}}$

$rate = \frac{43.75}{43.5}$

rate =1.01

7 0

3 years ago