3 years ago

Please help will mark brainliest solve triangles using the law of cosines

Mathematics

1 answer:

NeTakaya3 years ago

7 0

Answer:

i'm pretty sure the answer is -

BC = 8.1

Step-by-step explanation:

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Someone please help me with these questions

lukranit [14]

Answer:

8) x = 5.41

9) x = 45

10) x = 2.25

Step-by-step explanation:

8) 17/15 = 10/(2x-2)

150 = 34x - 34

reduce:

34x = 184

x = 5.41

9) 6/16 = (x-12)/(2x-2)

16x - 192 = 12x - 12

reduce:

4x = 180

x = 45

10) (x-9)/15 = (2x-9)/10

10x - 90 = 30x - 135

reduce:

20x = 45

x = 2.25

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A lever is used to lift a load by applying an effort of 200 N. If load is 2o cm and effort is 80 cm far from the fulcrum, find t

drek231 [11]

Answer : the answer is 120

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3 years ago

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zhuklara [117]

Question 1
P=10(5)
Question 2
23.6*2=47.2
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4 years ago

No one is helping me :( Can someone please give me a hand? :(

Rasek [7]

B, look at picture for explanation

Please let me know if this helped or rate this the brainlist! Thanks

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4 years ago

Name at least 3 angles for each diagram

seraphim [82]

Answer:

Acute angle, Obtuse angle, and Zero angle

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3 years ago

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