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icang [17]
3 years ago
14

PLEASE HELP!!! WILL GIVE BRAINLEST AWARD FOR MOST DESCRIPTIVE

Mathematics
1 answer:
Rashid [163]3 years ago
3 0
The law of cosines states that:

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

You already have all the values for the variables with the exception of x so:

x^2=25+100-100cos60

x=√(125-100cos60)

x=√75

x≈8.66 to nearest one-hundredth...
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balandron [24]

Answer:

y = 15, so m∡B = 56°

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Step-by-step explanation:

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3 years ago
Please help!! :) Will give brainliest!
stich3 [128]
Answer is A
144 + 12y + y^2 

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3 years ago
PLEASE HELP !! ILL GIVE BRAINLIEST !!
zhenek [66]

Answer:

G is the same as the other one so it's also 129. Their angle relationship are verticle angles.

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3 years ago
Only need help on number 8. Thanks in advance. Must show work. If you do I will give you brainliest. :)
marishachu [46]

Answer:

Necklace cost $144 and bracelet cost $48

Step-by-step explanation:

call x is the price of necklace, y is the price of bracelet

because necklace cost 3 time as much as the bracelet

=> 3x = y

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=> x + y = 192

=>set of equations

3x = y and x+y = 192

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=> y = 48 and x = 3 . 48 = 144

6 0
4 years ago
The scale on a map is 1 inch = 10 miles.
podryga [215]

Answer:

F.  m/10.

Step-by-step explanation:

10 miles = 1 inch

1 mile = 1/10 of an inch so

m miles = m/10 inches.

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