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Anika [276]
3 years ago
8

I NEED HELP!!!

Mathematics
2 answers:
zepelin [54]3 years ago
6 0
In order to answer this one, it's really really really really helpful if you know what the law of cosines says. In fact it's absolutely necessary. The law of cosines says if you know two sides of a triangle and the angle between them then you can use that information to find the length of the third side. In the picture you know the lengths of two sides and you know the angle between them. So you can use the law of cosines to find the length of the third sidethat. That's side AC.
saveliy_v [14]3 years ago
6 0

Answer:

A) AC

Explanation :-

AC is the measurement of acute triangle ABC can you find by direct substitution of the labeled measures in the Law of Cosines

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Please help me answer this question.
iVinArrow [24]
4 6/9 + 7/9 = 5 3/9
Hope this helps
Answer:
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3 0
1 year ago
Read 2 more answers
Simplify this expression. 8+3(60/5)
ddd [48]

Answer:44

Step-by-step explanation: 60/5 evaluates to 12

Multiply 3 and 12

1

3*(60/5) evaluates to 36

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8 0
3 years ago
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a point on the rim of a wheel moves with a velocity of 80 feet per second. What is the angular velocity of the point if the diam
valentina_108 [34]

The angular velocity is 16 radians per second

<u>Solution:</u>

The angular velocity of point is given by formula:

w = \frac{v}{r}

Where,

w is the angular velocity in radians

v is the linear velocity

r is the radius

Given that diameter of wheel is 10 feet

radius=\frac{diameter}{2}

radius = \frac{10}{2}=5

Thus radius is 5 feet

A point on the rim of a wheel moves with a velocity of 80 feet per second

Linear velocity = v = 80 feet per second

Therefore, angular velocity is given as:

w = \frac{80}{5} = 16

Thus angular velocity is 16 radians per second

6 0
2 years ago
Given that cos a equals 4/5 what is sin a/2
astra-53 [7]

-0.31622... yeah i think it is that

8 0
2 years ago
I couldn't find an answer to this question lol<br> 2(x+6)=2(6+13x)
kherson [118]

Answer:

2(x+6) = 2(6+13x)

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0 = (26x-2x)

x = 0

7 0
3 years ago
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