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777dan777 [17]
3 years ago
13

Why are some rational numbers not integers?

Mathematics
1 answer:
Mariana [72]3 years ago
7 0

Answer:

Every integer is a rational number, since each integer n can be written in the form n/1. For example 5 = 5/1 and thus 5 is a rational number. However, numbers like 1/2, 45454737/2424242, and -3/7 are also rational, since they are fractions whose numerator and denominator are integers.

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Solve completely (all missing sides and all missing angles) using trig ratios or laws. Round to the nearest tenth.
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Answer:

Step-by-step explanation:

3. Use Cosine law to find the  length of the unknown side (PR)

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q is the opposite side of ∠Q;  

p is the opposite side of ∠P; p = 33

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q² = 33² + 67² -  2* 33*67 Cos 19°

    = 1089 + 4489 - 4422 * 0.95

     = 1089 + 4489 - 4200.9

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q = √1377.1

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PR = 37.1

To find the angle use law of sin

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Sin P = 0.3

P = Sin^{-1} 0.3\\

P = 17.5°

∠R = 180 - (19 + 17.5)

    = 143.5°

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Answer:

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Step-by-step explanation:

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Answer:

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