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3 years ago

Pls help me:) pweassssssssse:{

Mathematics

2 answers:

VLD [36.1K]3 years ago

8 0

Answer:

LCM = 24

Step-by-step explanation:

8 = 2 x 2 x 2

12 = 2 x 2 x 3

LCM = 2 x 2 x 2 x 3 = 24

<em>Hope that helps! :)</em>

<3 Cin Aphrodite...

natka813 [3]3 years ago

5 0

Answer:

24!

Step-by-step explanation:

8 = 2 x 2 x 2

12 = 2 x 2 x 3

2 x 2 x 2 x 3 = 24

Hope this helps : )

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vovangra [49]

Answer:

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Step-by-step explanation:

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3 years ago

Evaluate 8.1p + 7.9r when p=7 and r=8

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Answer:

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Step-by-step explanation:

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2 years ago

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3 years ago

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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

Westkost [7]

Answer:

Step-by-step explanation:

Given:

elongation, x = 0.50 in

Force, f = 9000 lb

Young modulus, E = 10,000,000 psi

Maximum Stress, Sm = 30000 psi

Length, L = 16 ft

Converting ft to in,

12 in = 1 ft

=16 × 12 = 192 in

Young modulus, E = stress/strain

Stress = force/area, A

Strain = elongation, x/Length, L

E = f × L/A × E

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

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3 years ago

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