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Alexandra [31]
3 years ago
7

Answer quick for brainliest

Mathematics
1 answer:
Sindrei [870]3 years ago
3 0

Answer: 12 is x=6. 13 is x = 34 14 is x = 5

Step-by-step explanation: add the sum and the the number next to it and add

For example -13 - x = -7 so we know that -7 and 13 subtracted is positive 6 so x is 6

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Anwser: 4x^5-3x^4-4x^3+8x^2-5

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yes

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2 years ago
Give two reasons why it's impossible to draw triangle PQR m angle Q=103^ m angle R=47^ p = 44 q = 12 , and f = 31
Black_prince [1.1K]

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It is impossible becuase it would not eqaul the numbers a regular triangles would have. A triangle has to equal a certain number and this number does not make a traingle.

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Twice a number plus 6 times the number is -72.
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7 0
3 years ago
Evaluate the indefinite integral. (Use C for the constant of integration.) sin(10x) 1 cos2(10x) dx
Schach [20]

Answer:

The result of the integral is -\frac{\cos^3{10x}}{30} + C

Step-by-step explanation:

We are given the following integral:

\int \sin{(10x)}\cos^{2}{(10x)} dx

I am going to solve by substitution, using u = \cos{10x}, so du = -10\sin{10x}dx, dx = -\frac{du}{10\sin{10x}}. So, we have

-\frac{1}{10} \int u^2 du

Which has the following result:

-\frac{u^3}{30} + C

Going back to x, the result of the integral is

-\frac{\cos^3{10x}}{30} + C

5 0
3 years ago
Please help! Will mark brainliest!
hodyreva [135]
What is the question?
7 0
3 years ago
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