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Dafna1 [17]
2 years ago
10

The distance from Point C to the tower at Point A is 1.2 miles, while the distance from Point C to the tower at Point

Mathematics
1 answer:
Inessa [10]2 years ago
4 0
Since we are given with the three sides of the triangle and asked to determine the angle, we can use the cosine law.
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muminat
20 + 4 + 3/10 + 5/100 + 7/1000
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3 years ago
Please work out and explain​
Mekhanik [1.2K]

Answer:

a = 22

b = 31

c = 13

Step-by-step explanation:

The sum is the same in each row, column, and diagonal.

One of the diagonals is already complete.  The sum is:

16 + 25 + 34 = 75

So the first row adds up to 75:

a + 37 + 16 = 75

a = 22

The second row adds up to 75:

19 + 25 + b = 75

b = 31

And the third row adds up to 75:

34 + c + 28 = 75

c = 13

We can check our answer by finding the sum of each column and the other diagonal.

22 + 19 + 34 = 75

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3 years ago
A 9,000-lb load is suspended from the roof in a shopping mall with a 16-ft-long solid aluminum rod. The modulus of elasticity of
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Answer:

Step-by-step explanation:

Given:

elongation, x = 0.50 in

Force, f = 9000 lb

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Maximum Stress, Sm = 30000 psi

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Converting ft to in,

12 in = 1 ft

=16 × 12 = 192 in

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Stress = force/area, A

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1 × 10^7 = stress/(0.5/16)

= 26041.7 psi

Minimum stress = 26041.7 psi

Maximum stress = 30,000 psi

Stress = force/area

Area = 9000/26041.7

= 0.3456 in^2

Stress = force/area

Area = 9000/30000

= 0.3 in^2

Using minimum area of 0.3 in^2,

A = (pi/4)(d^2)

0.3 in^2 = (pi/4)(d^2)

d = 0.618 inches

diameter, d = 0.618 inches

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<em>answer =  - 10 \\ solution \\  - 4 - 6 \\  =  - 10 \\ hope \: it \: helps \\ good \: luck \: on \: your \: assignment</em>

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