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AfilCa [17]
4 years ago
7

Can someone please help?!!

Mathematics
1 answer:
Oksi-84 [34.3K]4 years ago
7 0
X(xy-7y+yz+1)

hope this is correct !
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6 0
3 years ago
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The average speed of one airplane is 200 mph faster than that of an automobile. If the automobile starts at 3 a.m. and the airpl
Svetlanka [38]

Answer:

Distance = 500 miles

Step-by-step explanation:

<u>Step 1: Write the data of speed, distance and time for aeroplane and automobile.</u>

<em>Automobile:</em>

Speed = r

Time = 10 hours (3 am till 1 pm)

Distance = SxT

Distance = r x 10 = 10r

<em>Aeroplane:</em>

Speed = 200 + r (200 mph more than automobile)

Time = 2 hours ( 11 am till 1 pm)

Distance = SxT

Distance = 2x(200+r) = 400+2r

<u>Step 2: Equate both distances to find the value of r</u>

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10r = 400 + 2r

8r = 400

r = 50

<u>Step 3: Find the distance using any one equation</u>

Distance of automobile = 10r

r = 50

Distance = 10 x 50 = 500 miles

Therefore, the plane travels 500 miles.

!!

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3 years ago
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kolezko [41]

Sorry i I thought it was 10th or 14th I think someone wrote 14.480

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yawa3891 [41]
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You could buy 13 bananas.
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