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kirill115 [55]
3 years ago
14

Multiply. Find an exact answer of 5 1/4 × 7 2/3

Mathematics
1 answer:
leonid [27]3 years ago
4 0
5 1/4 * 7 2/3 = 
21/4 * 23/3 =
483/12 =
40 1/4
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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
2 years ago
on a weekend, Neville hagberg worked 13 hours at a double time pay. his regular pay rate was 9.86. what did Neville overtime pay
Mumz [18]
Double time pay.....basically, this means double his regular pay
2(9.86) = 19.72 per hr for overtime pay

at 13 hrs...
19.72 (13) = 256.36 total overtime pay
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Answer:

A: (-5,4)

B: (7,-2)

Step-by-step explanation:

It has to be in order start with the x-axis then the y-axis

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Write this decimal in a fraction in its simplest form.
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The simplified form of that decimal in fraction form is 3/20. Hope this helps.
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4/5 because it goes evenly into 8
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