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3 years ago

You panit 1/3 of a wall in 1/4 hour at that rate how long will it take you to paint one wall

1 answer:

7 0

1/3 + 1/3 + 1/3 =
1/4 + 1/4 + 1/4 =
3/4 of an hour or 45 minutes

Answer= it will take you 45 minutes or 3/4 of an hour to paint one wall

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Answer:

X=1

Step-by-step explanation:

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3 years ago

Solve the equation x2 + 7x = 30.

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Answer:

2*7=14+6=30 points plz

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3 years ago

a rectangular sandbox has a width of 15 ft and a length of X feet which expression represents the perimeter of the sandbox

Phantasy [73]

Answer:

15(2) + x(2)= perimeter

Step-by-step explanation:

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3 years ago

Una piscina rectangular de 15 metros de largo por 9 metros de ancho està rodeada por un

stira [4]

Answer: 2 meters.

Step-by-step explanation:

Let w = width of the cement path.

Dimensions of pool : Length = 15 meters , width = 9 meters

Area of pool = length x width = 15 x 9 = 135 square meters

Along width cement path, the length of region = $2w+15$

width = $2w+9$

Area of road with pool = $(2w+15) (2w+9)$

$= 4w^2+30w+18w+135\\\\=4w^2+48w+135$

Area of road = (Area of road with pool ) -(area of pool)

$\Rightarrow\ 112 =4w^2+48w+135- 135\\\\\Rightarrow\ 112= 4w^2+48w\\\\\Rightarrow\ 4 w^2+48w-112=0\\\\\Rightarrow\ w^2+12w-28=0\ \ \ [\text{Divide both sides by 4}]\\\\\Rightarrow\ w^2+14w-2w-28=0\\\\\Rightarrow\ w(w+14)-2(w+14)=0\\\\\Rightarrow\ (w+14)(w-2)=0\\\\\Rightarrow\ w=-14\ or \ w=2$

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4 years ago

A map scale is give as 1:10000

Fynjy0 [20]

Answer:

2km

Step-by-step explanation:

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3 years ago