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jeyben [28]
3 years ago
12

Solve each system by graphing

Mathematics
1 answer:
Ne4ueva [31]3 years ago
5 0
2,-4 is you awnser. good day to you
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-11x-7y=-56 slope intercept
yuradex [85]

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-11/7

Step-by-step explanation:

3 0
3 years ago
What is the value of y when x = 43<br> A. 87<br> B. 85<br> C. 49<br> D. 45
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A x

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3 0
2 years ago
9sin(2x) sin (x) = 9cos(x)
nikdorinn [45]

Answer:

\sin(2x)  = 2 \sin(x)  \cos(x)  \\ 9( 2 \sin(x)  \cos(x) ) \sin(x)  = 9 \cos(x)  \\ 18 { \sin}^{2} (x)9 \cos(x)  - 9 \cos(x)  = 0 \\ 9 \cos(x) (2{ \sin}^{2} (x) - 1) = 0 \\ 9 \cos(x) = 0 \: or \: 2{ \sin}^{2} (x) - 1 = 0 \\  \sin(x)  =  \pm \frac{1}{ \sqrt{2} }  \\  \cos(x)  = 0 \\ x =  { \cos}^{ - 1} (0) \\ x =  \frac{ \pi}{2}  = 90 \degree \\ x = \frac{ \pi}{2} + 2\pi \: n \:  \forall \: n \:  \in \:  \Z  \\ = 90 \degree +  360\degree\: n \:  \forall \: n \:  \in \:  \Z \\  =  \pm\frac{ \pi}{4}  \pm2\pi \: n \:  \forall \: n \:  \in \:  \Z \\ x =  \pm45\degree  \pm 360\degree\: n \:  \forall \: n \:  \in \:  \Z

8 0
2 years ago
How do you do <br>this <br><br>(move 3 circles to make the figure upside down
velikii [3]

Answer:

Move the top left and right to the sides of the second to last row, then move the single circle from the bottom row to the top.

Step-by-step explanation:

8 0
3 years ago
What number is in the hundredths place?
Lerok [7]
123.456...number in the hundredths place is 5
5 0
2 years ago
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