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3 years ago

You paint a 1/2 of a wall in 1/4 hour. How long will it take you to paint one wall

Mathematics

1 answer:

Svetllana [295]3 years ago

3 0

Answer:

it will take half an hour

Step-by-step explanation: kuz it is math just think bout it

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How much wire is needed to build a rectangular pen 42.6 ft. long and 28.5 ft. wide

andreev551 [17]

Answer: 142.2 ft

Explanation:

Wire needed = Perimeter = 2(42.6 + 28.5) = 142.2 ft

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Find the solution(s) to (x-3)^2=49. Check all that apply

Natasha_Volkova [10]

Answer:

B. x = -4

E. x = 10

Step-by-step explanation:

$(x-3)^2=49 \\ \\ x - 3 = \pm \sqrt{49} \\ \\ x - 3 = \pm 7 \\ \\ x = 3 \pm 7 \\ \\ x = 3 + 7, \: \: x = 3 - 7, \\ \\ x = 10, \: \: x = - 4$

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3 years ago

How to round 36 to the nearest hundred

Archy [21]

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3 years ago

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The line AB has midpoint (-2, 4).<br>A has coordinates (3,-2).<br>Find the coordinates of B.

worty [1.4K]

Answer: B(8, -8 )

Step-by-step explanation: The formula for calculating mid - point between two points is given as :

M = ( $\frac{x_{1}+x_{2}}{2}$ , $\frac{y_{1}+y_{2}}{2}$ )

The mid point has been given from the question .

$x_{1}$ = -2

$x_{2}$ = ?

$y_{1}$ = 4

$y_{2}$ = ?

substituting into the formula , we have

(3 , - 2 ) = ( $\frac{-2+x_{2}}{2}$ , $\frac{4+y_{2}}{2}$ )

Equating x -component to x and y component to y , we have

3 = $\frac{-2+x_{2}}{2}$

cross multiplying , we have

6 = -2 + $x_{2}$

Therefore:

$x_{2}$ = 8

Also , equating y component to y , we have

-2 = $\frac{4+y_{2}}{2}$

-4 = 4 + $y_{2}$

$y_{2}$ = -8

Therefore :

$x_{2}$ = 8

$y_{2}$ = -8

check

-2 + 8 / 2 = 3 and

-8 + 4 / 2 = -2

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4 years ago