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Ratling [72]
3 years ago
15

X²y∧5·(–6xy∧2)

Mathematics
1 answer:
dybincka [34]3 years ago
7 0

Since you are multiplying with exponents, you would add the powers. This gives you,

-6x³y⁷

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Find the solution of the system of equations.<br><br> -x+2y=-15<br> 8x-2y=-20
Grace [21]

Answer:

the answer is (-5,-10)

hope this helps :)

8 0
3 years ago
(b) Given that
Gnesinka [82]

Answer:n=-2 or n=4

Step-by-step explanation:

Q is not inversible if det(Q)=0

\left|\begin{array}{ccc}6&7&-1\\3&n&5\\9&11&n\end{array}\right| =0\\\\\\\\6(n^2-55)-3(7n+11)+9(35+n)=0\\\\n^2-2n-8=0\\\\\Delta=36=6^2\\\\n=\dfrac{2-6}{2} =-2\ or\  n=\dfrac{2+6}{2}=4\\

4 0
3 years ago
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Luba_88 [7]

Answer:

8

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Y=2x+1
yan [13]

Answer:

(1) 2 (2) (-1/2,0) (3) (0,1)

Step-by-step explanation:

The slope of the line is the number times x. This equation is y=mx+b, where m is the slope and b is the y-intercept. In this case, m is 2, so we have our slope. The y-intercept is easy, as we already know it to be (0,1). The x-intercept is the point where the line hits x when y=0. To solve for the x-intercept, we set y to 0 and solve. We have 0=2x+1. First, we subtract 1 from both sides and get -1=2x. Next, to get x by itself, divide both sides by 2. Now we have -1/2=x. Now we have our x coordinate for our x-intercept. Because of this, we get (-1/2,0) as our x-intercept.

3 0
2 years ago
The first term of an arithmetic sequence is -5, and the tenth term is 13. Find the common difference.
Sergeeva-Olga [200]
(A) 1.8

The difference is 18, 13 is bc the tenth term so divide 18 by 10 to get 1.8
7 0
3 years ago
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