Sharon can paint 210 square feet in 3 hours.

Mathematics

2 answers:

Slav-nsk [51]4 years ago

6 0

Answer:

Sharon can paint faster

Step-by-step explanation:

210/3=70, Sharon

80/12=6.66, Zeke

Natali5045456 [20]4 years ago

6 0

Answer:

Sharon

Step-by-step explanation:

I mean, firstly it is pretty obvious. Zeke takes 12 hours to only paint 80 square feet, while Sharon can paint 210 in 3 hours.

80 divided by 12 is 6.66666666667

While 210 divided by 3 is 70.

Sharon can paint 70 square feet in one hour.

Zeke can paint about 6 and a half in one hour.

The answer is Sharon.

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If y=2-3x/x+3 express x in terms of y<br> [20pts]

ollegr [7]

Answer:

a. x = (2 -3y)/(y+3)

b. x = -4/5

Step-by-step explanation:

Clear the fraction, collect x terms, divide by the coefficient of x.

$y=\dfrac{2-3x}{x+3}\\\\y(x+3)=2-3x\\\\3x+xy=2-3y\qquad\text{add $3x-3y$}\\\\x(y+3)=2-3y\qquad\text{factor out x}\\\\\boxed{x=\dfrac{2-3y}{y+3}}\qquad\text{divide by the coefficient of x}$

Put 2 where y is and do the arithmetic.

x = (2 -3(2))/(2 +3) = (2 -6)/5

x = -4/5

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3 years ago

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maria [59]

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Step-by-step explanation:

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3 years ago

On a cold day, hailstones fall with a velocity of 2i − 6k m s−1 . If a cyclist travels through the hail at 10i m s−1 , what is t

Paraphin [41]

Answer:

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Step-by-step explanation:

Given : On a cold day, hailstones fall with a velocity of $2\hat{i}-6\hat{k}\text{ m/s}$ . If a cyclist travels through the hail at $10\hat{i} \text{ m/s}$ .