2 years ago

155.22% of 424.06 to 2DP

Mathematics

1 answer:

Pani-rosa [81]2 years ago

5 0

Answer:

Your answer is 658.23 :)

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Sally read 13 books during this month. her brother read 7 books. one fourth out of all books they read were non fiction. how man

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Sally read 3.25 and her brother read 1.75 non fiction

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3 years ago

Find the cosine of angle B.

Alexandra [31]

$\boxed { \text {Cosine Rule : } a^2 = b^2 + c^2 - 2bc \cos(A) }$

9² = 12² + 15² - 2 (12) (15) cos (B)

81 = 144 + 225 - 360 cos(B)

81 = 369 - 360 cos (B)

360 cos (B) = 369 - 81

360 cos (B) = 288

cos (B) = 0.8

Answer: Cosine B = 0.8

$\boxed { \text {Cosine Rule : } a^2 = b^2 + c^2 - 2bc \cos(A) }$

12² = 15² + 9² - 2 (15)(9) cos (A)

144 = 225 + 81 - 270 Cos A

144 = 306 - 270 Cos A

270 Cos A = 162

Cos A = 3/5 or 0.6

Answer: Cosine Angle A = 3/5

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3 years ago

A teacher gives each of five students a box that contains 25 red balls, 25 blue balls, 25 green balls, and 25 purple balls. The

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The answer is a the more balls means the more chance a desired color will be chosen

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3 years ago

Which of the following is equivalent to the expression?

rodikova [14]

Answer:

A) −3(x3+2x−1)

Step-by-step explanation:

Factor 3-3x^3-6x to get −3(x3+2x−1)

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3 years ago

Simplify the expression and write the answer as a power with work please

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Answer:

9^2

Step-by-step explanation:

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3 years ago

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