3 years ago

3. It will take half an hour for Matthew to travel to

Mathematics

1 answer:

Serggg [28]3 years ago

3 0

Matthew will need to leave home at 10:15 in order to arrive at concert ar 10.45

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Stan's, Mark's, and Wayne's ages are consecutive whole numbers. Stan is the youngest, and Wayne is the oldest. The sum of their

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Stan is 20
mark is 32
wayne is 44

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Determine whether the vectors u and v are parallel, orthogonal, or neither. u = (5,4) v = (-10,9)

12345 [234]

Answer:

Neither

Step-by-step explanation:

5 x -10 = -50

4 x 9 = 36

-50 + 36 = -14 and therefore can not be orthogonal

sqrt(25+16)=sqrt(41)

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sqrt(41) x sqrt(181) is not equal to -14 so therefore it is not parallel

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3 years ago

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Calvin is painting an area that is 115 square feet. He is able to paint 2.5 square feet every 2 minutes. At this rate , how long

Verdich [7]

Answer:

Calvin will paint the entire area in 92 minutes or 1 hour 32 minutes.

Step-by-step explanation:

First of all we know that the total surface are that Calvin is painting is 115 square feet.

The rate at which Calvin is painting refers to the surface area he covers every 2 minutes. This is 2.5 square feet every 2 minutes.

we can set up a relation to solve this problem

If Calvin paints $2.5 ft^{2}$ in 2 minutes

He will paint $115 ft^{2}$ in $x$ minutes

By cross multiplying, we have $x= \frac{2 \times 115}{2.5}=92 minutes$

Hence Calvin will paint the entire area in 92 minutes or 1 hour 32 minutes.

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3 years ago