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faltersainse [42]
2 years ago
6

I need to find x in these two problems in the picture.

Mathematics
2 answers:
JulijaS [17]2 years ago
8 0
1st one- 1.5
2nd one- 2.25
forsale [732]2 years ago
4 0

Answer:

for the first one do 15 divided by 10 and the second one 18 divided by 8.

Step-by-step explanation:

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The exterior walls and roof of a barn are to be painted. The barn is in the shape of a rectangular prism, with an isosceles tria
vlada-n [284]

<u>Given:</u>

The rectangular prism has a length of 25 feet, a width of 10 feet and a height 55 feet.

The triangular prism has a base length of 25 feet, a height of 8 feet, and a prism height of 55 feet.

<u>To find:</u>

The total area to be painted.

<u>Solution:</u>

There are 4 external surfaces for the rectangular prism and 4 external surfaces for the triangular prism.

The rectangular prism has 4 rectangles out which there are 2 sets of similar rectangles.

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The area of a rectangle with a length of 25 feet and a width of 10 feet = 25(10)= 250 square ft.

The area of two such rectangles = 2(250) = 500 square feet.

The area of a rectangle with a length of 55 feet and a width of 10 feet = 55(10)= 550 square feet.

The area of two such rectangles = 2(550) = 1100 square feet.

The triangular prism has 2 triangles and 2 rectangles.

The triangles have base lengths of 25 feet and heights of 8 feet while the rectangles have lengths of 55 feet and heights of 14.8 feet.

The area of a triangle with a base length of 25 feet and a height of 8 feet = \frac{1}{2}(25)(8)= 100 square feet.

The area of two such triangles =2(100)= 200 square feet.

The area of a rectangle with a length of 55 feet and a width of 14.8 feet = 55(14.8)= 814 square feet.

The area of two such rectangles = 2(814) = 1628 square feet.

The total area to be painted =500+1100+200+1628 = 3128 square feet.

So an area of 3128 square feet is to be painted.

8 0
3 years ago
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Answer:

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Step-by-step explanation:

In order for there to be an infinite number of solutions, the two lines need to be the same.

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Answer:

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Step-by-step explanation:

The congruence of S'T' with ST tells you ...

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Answer:

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