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hram777 [196]
3 years ago
15

Can anyone help us on this question

Mathematics
1 answer:
Taya2010 [7]3 years ago
8 0
Area = (1/2) * 4 * 5 = 10 cm²
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How to find the slope and y-intercept using a graph??????????
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PLEASE HELP
Neko [114]

Answer:

55.5 square feet

Step-by-step explanation:

so the dog house consists of 4 walls, two roof sections, and two triangle bits to make the roof pointy (I'm sure they have a name but I don't know what it is lol) Of the walls there would be 2 of the longer walls and 2 of the shorther ones. Knowing this we just have to add together the area of each part to find the total surface area.

So starting with the walls:

two of them are 4 feet by 2 feet.

The area of a rectangle is just length x width

so those two would have an area of 8 ft^2

and the other two are 3 feet by 2 feet so they would have an area of 6 ft^2

the roof sections are also rectangles with dimensions of 4 feet by 2.5 feet

4x2.5=10 so each side of the roof has a surface area of 10 ft^2

now the triangle parts have a base of 3 feet and a height of 2.5 feet

the formula for area of a triangle is base x height / 2

3x2.5=7.5

7.5/2= 3.75

now we add them together

8+8+6+6+10+10+3.75+3.75=55.5

so the total surface area is 55.5 square ft

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3 years ago
(2x - 3y + 1) + (4x + y + 5)=​
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6x-2y+5. Here you just do addition/subtraction with the coefficients on the variables.
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3 years ago
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