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Allushta [10]
4 years ago
6

What is 13 in radical fraction form

Mathematics
1 answer:
Tcecarenko [31]4 years ago
5 0
13‾‾‾√≈3.605551275463989
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-2b-6+3b-2 simplified
Natalka [10]

Answer:

Step-by-step explanation: b - 8

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4 years ago
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Help me number problem 1 please
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Use substitution y= 2x
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3 years ago
A 30 foot ladder needs to reach 18 feet high against a building. What would the approximate angle of elevation be from the groun
yaroslaw [1]

Answer: The angle of elevation would be 36.87 degrees (approximately)

Step-by-step explanation: Please refer to the attached diagram for details

The 30-foot ladder reaches a point in the building which is point A. The height at which the ladder touches the building is 18 feet (that is, the height of the building, line AC. The angle of elevation from the ground is at angle B, the angle which the ladder forms with the ground.

So we have a right angled triangle ABC, with two sides and a reference angle B. To find angle B, we shall apply the trigonometric ratio;

SinB = opposite/hypotenuse

SinB = 18/30

SinB = 0.6

By use of a calculator or table of values

B = 36.8698

Approximately, angle B = 36.87 degrees

4 0
3 years ago
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A film distribution manager calculates that 9%9% of the films released are flops. If the manager is right, what is the probabili
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Answer:

The probability that the proportion of flops in a sample of 442 released films would differ from the population proportion by greater than 4% is:

= 0.094

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Step-by-step Explanation:

Estimated probability that the films released are flops = 9%

Sample of released films = 442

Estimated number of flops = 39.78 (442 * 9%)

If the population proportion of flops will be greater by 4%,

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This gives a new proportion of flops as 0.0936 (41.37/442)

4 0
3 years ago
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