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erica [24]
3 years ago
10

Find the missing pieces of the triangle round to the nearest tenth ​

Mathematics
1 answer:
loris [4]3 years ago
6 0

Answer:

Step-by-step explanation:

- sum of inner angles of a triangle = 180 degrees

angle A = 180 - (90+23) = 180 - 113 = 67 degrees

- sin (23) = 0.390731

sin = opposite/hypotenuse

opposite = sin * hypotenuse

AC = 0,390731 * 34 = 13.3

- cos (23) = 0,920505

cos = adjacent/hypotenuse

adjacent = cos * hypotenuse

BC = 0,920505 * 34 = 31.3

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A and B are two similar shapes the area of shape A is 200cm2 calculate the area of shape B
barxatty [35]

Answer:

Area of shape B = 312.5 cm²

Step-by-step explanation:

Ratio of Area of A : Area of B = 12² : 15²

Given that area of A is 200 cm², let the area of shape B = x

Therefore:

200:x = 12²:15²

200/x = 144/225

Cross multiply

144x = 200*225

144x = 45,000

x = 45,000/144

x = 312.5 cm²

Area of shape B = 312.5 cm²

5 0
3 years ago
Help please……..??.?.?.?.?.?
aleksklad [387]

9514 1404 393

Answer:

  c) 16,500 m³

  d) 277,088 mm³

  a) V = LWH

  b) V = πr²h

Step-by-step explanation:

The relevant volume formulas are ...

  • rectangular pyramid: V = 1/3LWH
  • cylinder: V = πr²h
  • rectangular prism: V = LWH

__

13c. The pyramid formula above tells us the volume is ...

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13d. The cylinder formula above tells us the volume is ...

  V = π(35 mm)²(72 mm) ≈ 277,088 mm³ ≈ 277 mL

__

14a. The shape appears to be a rectangular prism, so its volume is given by the formula ...

  V = LWH . . . . . where L, W, H represent the length, width, and height

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14b. The volume of a cylinder is given by the formula ...

  V = πr²h . . . . . where r, h represent the radius and height (length)

7 0
3 years ago
Anyone mind helping me out?
Airida [17]
<h2>6 is the answer.</h2>

just simple

3 0
3 years ago
You and two friends rent a hotel room that costs $30 so you both put in $10 each later that night the owner of the hotel realize
Gennadij [26K]
The dollar didn't go anywhere! The question isn't correct because the money the bellhop stole is supposed to be subtracted, not added. So if we subtract $2 we have $25, and that's how much money the owner got, the men got $3 back and the bellboy got $2.

So the owner gets $25, the men get $3 and the bellboy gets $2, and that equals 30.
4 0
3 years ago
Read 2 more answers
Dough says that the opposite of -2/5 is 5/-2 is he correct
Eduardwww [97]

Answer:

No he is not correct. As the answer would be -2/5 = -0.4 and 5/-2 = -2.5 as the answer is also not opposite.

7 0
3 years ago
Read 2 more answers
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