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nataly862011 [7]
3 years ago
7

How many significant figures are in the number 100.09? need help pls !!!

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
5 0
5 sig figs because the zeros are in the middle of 2 other numbers.
miss Akunina [59]3 years ago
3 0

Answer:

5

Step-by-step explanation:

Significant Figures

5

Decimals

2

Scientific Notation

1.0009 × 102

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A kite is 85 feet high with 100 feet of string let out. What is the angle of elevation of the string with the ground? Please sho
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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

  sin(α) = (85 ft)/(100 ft) = 0.85

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

  α = arcsin(0.85) ≈ 58.2°

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).

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3 years ago
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Write an expression for the quotient of q and 347.
Julli [10]

Answer:

q/347

Step-by-step explanation:

quotient means division so q divided by 347 is

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How can you analyze the numerator and/or the denominator in a rational expression to locate the x-intercepts?
andre [41]

Answer:

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Step-by-step explanation:

To obtain x-intercepts, we need to give certain value, specifically x=0.

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