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Lisa [10]
3 years ago
7

Factor the polynomial. 8m^2 + 4m

Mathematics
2 answers:
Arisa [49]3 years ago
7 0

Answer:4m(2m+1)

Step-by-step explanation:

Leya [2.2K]3 years ago
6 0

Answer:

4m(2m+1)

Step-by-step explanation:

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Given that Triangle ABC such that<br>a=8cm, b=7cm and c=9cm<br>tem and c= 9cm find Cos B​
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Answer:

We use cosine rule also called cosine law which states

c^2=a^2+b^2-2abcosC

given

a=8cm, b=7cm, c=9cm cos C?

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expand

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like terms together

81-113=-112 cos C

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multiply both sides by -1

32=112cos C

divide both sides by 112

32/112=cos C

cosC=0.2857

find cos inverse of 0.2857

angle C= 73.40

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2 years ago
khanya builders are paid R480 for 8 hours of work,whiles rex builders are paid R660 for 12 hours of work.which company is paid t
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2 years ago
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sergiy2304 [10]
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3 years ago
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Answer:

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