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aliya0001 [1]
2 years ago
15

If one plane is flying 40 mph and another plane is flying 100 mph, and they

Mathematics
2 answers:
jekas [21]2 years ago
7 0

Answer:

  1 3/7 hours

Step-by-step explanation:

The planes are closing the 200 mile separation distance at a rate of (40 +100) = 140 miles per hour. The time it takes for that distance to be closed is ...

  time = distance/speed

  time = (200 mi)/(140 mi/h) = 200/140 h = 10/7 h = 1 3/7 h

The planes will meet after 1 3/7 hours, about 1 hour 25 minutes 43 seconds.

arlik [135]2 years ago
3 0

Answer:

i think 60 miles

Step-by-step explanation:

I just added the 100+40 then

200-140

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Sergeu [11.5K]

Answer:

64

Step-by-step explanation:

this is how the table should look like when numbers are inputted

150   106     256

44    40  84

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6 0
3 years ago
Jose worked 2.5 hours more than William. together they worked a total of 22 hours. William worked h hours
nataly862011 [7]

I believe that the answer you're looking for is B. h+(h+2.5)=22.

h+(h+2.5)=22

h+h+2.5=22

Combine like terms.

2h+2.5=22

Subtract 2.5 from both sides.

2h=19.5

Divide both sides by 2.

h=9.75

Now let's check the work by plugging 9.75 into the equation.

9.75+(9.75+2.5)=22

9.75+9.75+2.5=22

22=22

So we now see that the answer choice <u>B.</u> Is correct! And William worked 9.75 hours. I hope that you found this helpful!

4 0
3 years ago
1. Write an expression that consists of three terms.
mojhsa [17]
1. x+y+1 (x, y, and 1 are all terms)
2. 1+2
3 0
3 years ago
How can i solve (-4,7) , (-6,-4)
pishuonlain [190]

Answer:

(-6) - 7 and -6 - (-4)

Step-by-step explanation:

you have to find the rate of change.

this equals -13/4=3.25

5 0
3 years ago
-18 subtracted from - 7
castortr0y [4]
The answer is 11 my friend :)
5 0
2 years ago
Read 2 more answers
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