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Andre45 [30]
3 years ago
15

Find the difference between the two numbers on a number line -7 1/5 and -4 2/3

Mathematics
1 answer:
morpeh [17]3 years ago
6 0

Answer:

do the rest urself

Step-by-step explanation:

-7 1/5= -36/5

-4 2/3= -14/3

-14/3-(-3

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I need answers please
lakkis [162]

Answer: the first one

Step-by-step explanation:

It is the only one that is right

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3 years ago
Angle x measures 42°. Find the measure of angle y.
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The answer is Angle Y equals 138.

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3 years ago
Genius question: A long level railway bridge passes over a railroad track, which is 100 feet below it and at right angles to it.
nataly862011 [7]

Answer: <u>110 feet per second</u>

Step-by-step explanation:

In this problem we will assume that the car at 45 miles per hour is moving into the x direction with a high of 100 feet, and the train is going in the y direction, so they trajectories will made an angle of 90º.

Now we can calculate the speed of the trains in feet per second so:

S1=\frac{45*5280}{3600}=66

S2=\frac{60*5280}{3600}=88

So we can make a right triangle with sides 66 and 88 and the hypotenuse will be the rate that the trains will separate per second so:

h=\sqrt{66^{2} +88^{2} } =\sqrt{4356+7744}

h=\sqrt{12100}=110

Is important to have in mind that the initial high is not going to change how fast the trains will separate, however, if we are going to calculate the distance we should have it in the calculations.

7 0
3 years ago
Selma's class is making care packages to give to victims of a natural disaster. Selma packs one box in 5 minutes and has already
Monica [59]
66 more min. he used which could be 1 hour and 6 min.
7 0
3 years ago
Read 2 more answers
1) A sprint runner can run 10 laps around a track in
Arada [10]

Answer:

so, 10 laps in 25 mins we want to make mins=1 so

10/25=2/5 times 5/5=2/5

if you multiply 2/5 by 2/2 then you get 4/10 and 4/10=0.4

the runner can run 0.4 or 2/5 lap in 1 minute

Step-by-step explanation:

it is the answer box I'm a genius

6 0
2 years ago
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