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aleksley [76]
3 years ago
10

PLEASE HELP ASAP PLEASE

Mathematics
1 answer:
stiv31 [10]3 years ago
6 0

Answer $273.90

Step-by-step explanation:

170 x 6.7 = 1139

1139 move the decimal to 113.9

113.9 + 170 = 283.90

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vovangra [49]

Answer:

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Step-by-step explanation:

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In triangle ABC, a = 9, c = 5, and B = 120°. Find b2.
anygoal [31]

Answer:

(D) b^2=151

Step-by-step explanation:

Given: In triangle ABC, a=9, c=5 and ∠B=120°.

To find: The value of b^2.

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Now, using the law of cosines, we get

b^2=a^2+c^2-2(a)(c)cosB

Substituting the given values, we get

b^2=9^2+5^2-2(9)(5)cosB

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which is the required value of b^2.

Therefore, option D is correct.

3 0
3 years ago
How do u delete a post on here?
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