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sineoko [7]
2 years ago
11

What is the number of terms in this expression?

Mathematics
1 answer:
wel2 years ago
5 0

Answer:

4?

Step-by-step explanation:

you count m 4 6 and 5 you don't add the × cause that's what's separated the numbers to terms

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An object has a volume of 7cm³ and a mass of 56g. What is its density in g/cm³?
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Answer:8

Step-by-step explanation;Since you want to find the density but you already have the mass you do the inverse operation and divdie 56 by 7 and get 8.

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3 years ago
A car trip from New York to Cincinnati took 12.5 hours. The return trip by the same route took 1 hour longer because the average
zhenek [66]

A car trip from New York to Cincinnati took 12.5 hours. The return trip by the same route took 1 hour longer.

Let x be the speed of the car

Car trip from New York to Cincinnati

We know Distance D = speed * time

time = 12.5 hours and speed =x

D = 12.5x

Return trip

The return trip by the same route took 1 hour longer. So 12.5+1 = 13.5 hours

he average rate of speed was 4 mph less. So speed is x-4

Distance D = speed * time

time = 13.5 hours and speed =x-4

D = (x-4)*13.5

D= 13.5x-54

The distance of ongoing trip and return trip are same

So we equate both the distance equations D= 13.5x-54  and D= 12.5x

12.5x = 13.5x-54    

Subtract  13.5 on both sides

-1x = -54

x=54

speed of ongoing trip = 54 miles per hour

Distance D = 12.5x = 12.5 * 54=675 miles

The length of the route = 675 miles



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3 years ago
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Answer:

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