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Volgvan
3 years ago
13

Show that for the same shear angle, there are two rake angles that give the same cutting ratio.

Mathematics
1 answer:
Yuliya22 [10]3 years ago
5 0
The answer to this question is a equilater triangule

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What is the area of the composite shape?<br><br> A.14<br> B.24<br> C.36<br> D.68
lyudmila [28]

Answer:

C

Step-by-step explanation:

The top part is 4.5 inches and teh bottom is 27 so it is 36

6 0
2 years ago
Determine if the sequence below is arithmetic or geometric and determine the
Sonbull [250]

Answer: Arithmetic and 3

Step-by-step explanation:

12 - 9 = 3 9 - 6 = 3 The common difference is equal and is three and so it is an arithmetic sequence

12/9 = 4/3 9/6 = 3/2 The ratio is not equal so this is not a geometric sequence

4 0
2 years ago
Evaluate 5+x; if x=7
maksim [4K]
X = 7


5 + x can also be written as 5 + 7

5 + 7 = 12
7 0
2 years ago
Read 2 more answers
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.

_____

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

7 0
3 years ago
theresa went bowling on tuesday night. she bowled scores of 150, 165, and 165. what was her mean average score?
aleksley [76]
So, to do this, all you need to do is add up all the values, and then, with that number, divide by how many values are given.

150+165+165= 480
480/3= 160

7 0
3 years ago
Read 2 more answers
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