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DerKrebs [107]
2 years ago
15

I don't understand this please help I posted both answer choice and question

Mathematics
1 answer:
professor190 [17]2 years ago
7 0
Can you explain what the question is asking?
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Against the wind a small plane flew 715 miles in 2 hours and 10 minutes. The return trip took only 1 hour and 50 minutes. What w
ZanzabumX [31]

Answer:

  360 mi/h

Step-by-step explanation:

The speed for the outbound trip was ...

  speed = distance/time = (715 mi)/(2 1/6 h) = 330 mi/h

The inbound speed was ...

  (715 mi)/(1 5/6 h) = 390 mi/h

The airspeed of the plane is the average of these two ground speeds, so is ...

  (330 +390)/2 = 360 . . . . mi/h

8 0
3 years ago
Draw to show how you can use models to compare a 345 and 391
natali 33 [55]
345= 3 hundreds, 4 tens, and 5 ones 
391= 3 hundreds, 9 tens, and 1 one
You can use the model I attached to help u see it better.
Hope this helps!

6 0
3 years ago
A Florida newspaper reported on the topics that teenagers most want to discuss with their parents. The​ findings, the results of
ANEK [815]

Answer:

Since Family's Financial Situation and Religion seem more of a Family Discussion, I would round 46% to 50%. Then 37% to 40%. Add 50% and 40% and you'll get 90%.

Step-by-step explanation:

And by percent confidence level, I hope you're talking about mine...I would say 99% confidence level....lol

8 0
2 years ago
Please help___________​
kramer

Answer:

Step-by-step explanation:

Let's do the obvious things first.

Right rectangle

w = 11

L = 17

Formula

Area = L * W

Area = 11 * 17

Area =                                                187

Left rectangle

W = 8

L = 11

Area = 8 * 11=                                      88

Middle Rectangle

W = 11

L = 15

Area = 11 * 15                                    165

Now we come to the triangles. It's not obvious what to do with them. You have to infer that one of the lets is 8 and the other is 15. You get the 8 from the width of the left rectangle (see above.)

There are 2 triangles

Area = 2 * 1/2 * l1 * l2

Leg 1 = 8

Leg2 = 15

Area = 2 * 1/2 (8 * 15)

Area =               <u>                            120 </u>

Total  = 120 + 165 + 88 + 187 =    560

Unless you have an  E answer that is 560, my answer does not agree with any of the given answers. I would suggest that you ask your teacher how it is done. My method is correct.

4 0
2 years ago
What's true about centimeters and kilometers?
Mama L [17]
They are both SI units of measurements
6 0
3 years ago
Read 2 more answers
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