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aev [14]
4 years ago
6

Does anybody know the answer to the question?

Mathematics
1 answer:
Alex4 years ago
5 0
No sorry but let me try
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Please help me asap
Nitella [24]

Answer:

noestiendo

Step-by-step explanation:

3 0
3 years ago
Which would the phrase "twice the sum of a number and three" look like as a variable expression
timofeeve [1]
The expression would look like this: 2(3+x)

Hope this helps :)
8 0
4 years ago
25 + 18-6-1............​
ch4aika [34]

Answer: 36

Step-by-step explanation:

25 + 18 - 6 - 1

25 + 18 = 43

43 - 6 - 1

43 - 6 = 37

37 - 1 = 36

7 0
3 years ago
Read 2 more answers
Solve using algebraic equation: <br> 5sin2x=3cosx<br><br> (No exponents)
DaniilM [7]
5\sin2x=3\cos x\iff10\sin x\cos x=3\cos x

by the double angle identity for sine. Move everything to one side and factor out the cosine term.

10\sin x\cos x=3\cos x\iff10\sin x\cos x-3\cos x=\cos x(10\sin x-3)=0

Now the zero product property tells us that there are two cases where this is true,

\begin{cases}\cos x=0\\10\sin x-3=0\end{cases}

In the first equation, cosine becomes zero whenever its argument is an odd integer multiple of \dfrac\pi2, so x=\dfrac{(2n+1)\pi}2 where n[/tex ]is any integer.\\Meanwhile,\\[tex]10\sin x-3=0\implies\sin x=\dfrac3{10}

which occurs twice in the interval [0,2\pi) for x=\arcsin\dfrac3{10} and x=\pi-\arcsin\dfrac3{10}. More generally, if you think of x as a point on the unit circle, this occurs whenever x also completes a full revolution about the origin. This means for any integer n, the general solution in this case would be x=\arcsin\dfrac3{10}+2n\pi and x=\pi-\arcsin\dfrac3{10}+2n\pi.
6 0
3 years ago
7. Simplify: -8y - (x - 4x) + 3y<br> a. 7x + 2y<br> b. -7X - 7y<br> c. -3x - 5y <br> d. 3x - 5y
tatiyna
Always complete the math inside a bracket first.
x-4x = -3x
So the answer is d. 3x - 5y
5 0
3 years ago
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