2 years ago

Simplify the expression: 5(–4 + 3g)

Mathematics

2 answers:

yKpoI14uk [10]2 years ago

5 0

Answer:

-12 + 15g

Step-by-step explanation:

just simply multiply 5 with -4 and +3g

-12 + 15g

since these are not like terms so they cannot be added further

MaRussiya [10]2 years ago

4 0

Answer:

-20 + 15g

Step-by-step explanation:

5 multiplied by -4 is -20

5 multiplied by 3g is 15 g.

because these two variables do not both have a g with them, this is the most they can be simplified. hope this helps!

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Answer:

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Step-by-step explanation:

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2 years ago

Find m∠U.<br> Write your answer as an integer or as a decimal rounded to the nearest tenth.

olga2289 [7]

Answer:

Answer:

50.2

Step-by-step explanation:

$ut = \sqrt{ {6}^{2} + {5}^{2} } \\ \sqrt{36 + 25} \\ \sqrt{61 } \\ using \: cosine \: rule \\ cos \: u = \frac{ {5}^{2} + 61 - 36 }{2 \times 5 \times \sqrt{61} } \\ \\ = \frac{25 + 61 - 36}{78} \\ \\ = \frac{50}{78 } \\ \cos \: u = 0.64 \\ m∠U. = 50.2$