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ss7ja [257]
3 years ago
9

How do you do this?

Mathematics
1 answer:
zaharov [31]3 years ago
4 0
4sin x=2sin x + √3
4sin x-2sinx=√3
2sin x=√3
sinx=√3/2

x=arcsin √3/2=π/3  + 2Kπ U  2π/3+2Kπ

Sol: π/3  + 2Kπ   U    2π/3+2Kπ ;       K∈Z

π/3+2Kπ=60º+360ºk    
2π/3+2Kπ=120º+360ºK


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The question is on the picture
Vitek1552 [10]

The answer is 4.8873, so you can say over 4 times as great, or almost 5 times as great for the first question.

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4 0
3 years ago
11/20+ c=3/4 what is the answer
Ierofanga [76]

Answer:

Step-by-step explanation:

Given that,

11/20 + c = 3/4

Subtract 11/20 from both sides of the equation to eliminate 11/20

11/20-11/20+c=3/4-11/20

c= (15-11)/20

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5 0
3 years ago
What is 4+2•8-5 chunked together
Andreas93 [3]
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4+16-5.
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7 0
3 years ago
Read 2 more answers
3. A sample of 50 different-colored golf balls was removed from the total number of
Paraphin [41]

Answer:

C. 350

Step-by-step explanation:

A sample of 50 different coloured balls are removed from total golf balls made.

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Now, to calculate the total number of golf balls made,

we can use the concept of proportion

\frac{number of pink colored balls in sample}{total pink colored balls made} = \frac{number of golf balls taken out as a sample}{ total number of golf balls made}

\frac{8}{56} = \frac{50}{total golf balls made}

total golf balls made = \frac{50\times56}{8}

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5 0
3 years ago
Please someone help me!
Andre45 [30]
The perimeter is double the sum of the sides.
.. P = 2(3x/(x +10) +x^2/(x -5))
.. = 2(3x(x -5) +x^2(x +10))/((x +10)(x -5))
.. = 2(x^3 +13x^2 -15x)/(x^2 +5x -50)

P=\frac{2x^{3}+26x^{2}-30x}{x^{2}+5x-50}
7 0
3 years ago
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