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Andre45 [30]
2 years ago
10

Help pls pls pls pls

Mathematics
1 answer:
yulyashka [42]2 years ago
4 0

Answer:

C

Step-by-step explanation:

\sin( \beta  )  = \frac{opposite}{hyptenuse}

The opposite side of C is 4

The hypotenuse side of C is 5

Put them into this formula

Ans: sin C= 4/5

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Step-by-step explanation:

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3 years ago
Simplify to an expression of the form (a sin(θ)).<br> 2sin(/8)2cos(/8)
rjkz [21]

Answer:

Your expression equals 2 \sin(\frac{\pi}{4}) assuming the problem was to simplify 2\sin(\frac{\pi}{8}) 2\cos(\frac{\pi}{8}) to the form a\sin(\theta).

Step-by-step explanation:

2\sin(\frac{\pi}{8}) 2\cos(\frac{\pi}{8})

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Let's use the following identity: 2\sin(A)\cos(A)=\sin(2A)

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5 0
3 years ago
Help appreciated! (Will mark as Brainliest if correct.)
egoroff_w [7]
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Read 2 more answers
X/7-4=-2 I need to know how to work this problem
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X/7-4=-2 u add two to both sides
x/7-2=0you add two to both sides again
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8 0
3 years ago
On a certain hot summer's day, 529 people used the public swimming pool. The daily prices are $1.75 for children and $2.25 for a
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{a+c=529
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{9a+9c=4761
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{7c+9a=4475
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c=143
a=529-143=386
There are 143 children and 386 adults used the public swimming pool.
4 0
3 years ago
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