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Jobisdone [24]
2 years ago
6

What is the slope of the line passing through the points (1, 2) and (5, 4)? A .−2 B.12 C.1 D.2

Mathematics
1 answer:
LekaFEV [45]2 years ago
3 0

Answer:

B, 1/2

Step-by-step explanation:

The equation for slope of line is \frac{y_{1}-y_{2}}{x_{1}-x_{2}} = \frac{4-2}{5-1}= \frac{2}{4}  = \frac{1}{2} , B

<em>I hope this helps! :)</em>

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I need help on questions 48 49 and 50 and u need to find the surface area of the 3 polyhedras please and thank you!
White raven [17]

48. The surface area of a cylinder is given by

... A = 2πr² + 2πrh = 2πr(r+h)

For r = 13 mi and h = 7 mi, this becomes

... A = 2π(13 mi)(13 mi + 7 mi) = 520π mi²

The surface area of the cylinder is 520π mi² ≈ 1634 mi².

49. The surface area of a rectangular prism is

... A = 2(LW + H(L+W))

For L = 20 m, W = 10 m, H = 7 m, this becomes

... A = 2((20 m)(10 m) + (7 m)(20 m + 10 m)) = 2(200 m² + 210 m²) = 820 m²

The surface area of the prism is 820 m².

50. The formula is the same as for problem 48.

For r = 10 m and h = 13 m, this becomes

... A = 2π(10 m)(10 m + 13 m) = 460π m² ≈ 1445 m²

The surface area of the cylinder is 460π m² ≈ 1445 m².

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When calculations are repetitive, it is convenient to let a calculator or spreadsheet do them.

7 0
3 years ago
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Leno4ka [110]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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Luden [163]

Answer:

5/6

Step-by-step explanation:

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6 0
3 years ago
The rectangles shown are similar. What is the value of x?
drek231 [11]
Since the rectangles are similar. The ratio of their sides will be the same.

So, we can write:

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Therefore, the left side of the bigger rectangle will be 12 units in length.
3 0
3 years ago
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