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Andrej [43]
3 years ago
13

4(2+3c)= 56 Solve each equation.

Mathematics
1 answer:
iris [78.8K]3 years ago
8 0
Distribute the 4.

8 + 12c = 56

Subtract 8.

12c = 48

c = 4
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A (-4,0), \ B (0,-8) \\ \\The \ midpoint \ M \ of \ the \ line \ segment \ joining \ the \ points \\ \\ (x _{1}, y _{1}) \ and \ (x _{2}, \ y _{2}) \ is : \\ \\ M=(\frac{x_{1}+x_{2}}{2};\frac{y_{1}+y_{2}}{2})

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4 0
3 years ago
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is there a picture that goes with this?

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4 years ago
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Answer:

\frac{\pi }{4} +\frac{\pi }{2} n,  where n∈Z.

Step-by-step explanation:

2sin²x-1; ⇒ sin²x=1/2;

\left[\begin{array}{ccc}sinx=-\frac{1}{\sqrt{2}} \\sinx=\frac{1}{\sqrt{2}} \end{array} \ = > \ \left[\begin{array}{ccc}x=(-1)^{l+1}\frac{\pi }{4}+\pi l \\x=(-1)^k\frac{\pi }{4}+\pi k \end{array} \ = > x=\frac{\pi }{4} +\frac{\pi }{2}n, \ n-Z.

4 0
2 years ago
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