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MissTica
3 years ago
13

HELP OUT PLEASE!!!!

Mathematics
1 answer:
Tems11 [23]3 years ago
8 0
Kelly earns more because she earns $12.00 per hour, and mark earns $8.50 per hour
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A plane traveled 1794 miles to Bangkok and back. The trip there was with the wind. It took 13 hours. The trip back was into the
Burka [1]

Answer:

The speed of wind is 30 miles/hour

Speed of plane in still air is 108 miles /hour

Step-by-step explanation:

Distance traveled by plane to Bangkok =  1794 miles

The trip there was with the wind. Time taken = 13 hours.

The trip back was into the wind. The trip back took 26 hours.

Let s = plane speed in still air

let w = speed of the wind

(s+w) = speed of plane with wind

(s-w) = speed of plane against wind

Distance = Speed * Time

When the trip was with the wind .

⇒1794 =(s+w)\times13

⇒\frac{1794}{13}=s+w

⇒138=s+w ---1

When The trip back was into the wind.

⇒1794 =(s-w)\times23  

⇒\frac{1794}{23}=s-w

⇒78=s-w ---2

Add 1 and 2

⇒s+w+s-w =138+78

⇒2s =216

⇒s=\frac{216}{2}

⇒s=108

To find w substitute the value of s in 1

⇒138=108+w

⇒138-108=w

⇒30=w

Thus the speed of wind is 30 miles/hour

Speed of plane in still air is 108 miles /hour

4 0
3 years ago
Michael is headed to his aunt’s house. For the first 2 hours he drives at 55 mph. For next hour, he drives 70 mph. For the final
mina [271]

Answer: 280 miles I think

Step-by-step explanation:

At first, he drives 110. Then hes at the 180 mile mark. And at the end he is at 280. 110 + 70 + 100. I’m very sorry if I’m wrong.

5 0
3 years ago
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How many different five-member teams can be made from a group of 17 people?
goblinko [34]

Answer:

3, with 2 people left over

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2 years ago
help please, I have to do it before my class starts its at 10:25 and its 6:21 rn so :) I'm trying to get it done tyyyy
Radda [10]
Ii is the top left and iv is bottom right
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3 years ago
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Please help image attached
oksano4ka [1.4K]

Answer:

hope it helps mark as brainliest

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2 years ago
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