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Xelga [282]
3 years ago
7

How will you know whether a solution is a percent increase or a percent decrease?

Mathematics
1 answer:
chubhunter [2.5K]3 years ago
6 0

Step-by-step explanation:

First, work out the difference (decrease) between the two numbers you are comparing. Next, divide the decrease by the original number and multiply the answer by 100. If the answer is a negative number, this is a percentage increase.

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a_sh-v [17]

Answer:

  58°

Step-by-step explanation:

A right triangle can be drawn to model the geometry of the problem. The hypotenuse of the triangle is the length of the string, 100 ft. The side opposite the angle is the height of the kite above the ground, 85 ft.

The mnemonic SOH CAH TOA reminds you of the relationship between sides and angles.

  Sin = Opposite/Hypotenuse

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The angle whose sine is 0.85 is found using the arcsine (inverse sine) function:

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The angle of elevation is about 58°.

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When using your calculator to find the values of inverse trig functions, make sure it is in <em>degrees</em> mode. Otherwise, you're likely to get the answer in radians (≈ 1.01599 radians).

6 0
3 years ago
Help me with this please
m_a_m_a [10]
36 is the value
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If a linear system has no solution, what happens when you try to solve the system by adding or subtracting?
balandron [24]

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