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den301095 [7]
2 years ago
6

Solve the system of equations:

Mathematics
1 answer:
Nutka1998 [239]2 years ago
7 0

Answer:

x=

1

3

y+

17

3

Step-by-step explanation:

This is all i can get so far, <em>if can improve opon this let me know</em>

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If P(n) and Q(n) are polynomials of degree j and k, respectively, then the series
Naya [18.7K]

Answer:

converges

Step-by-step explanation:

well the two polynomials in the series are 1 and n^8 (I'm assuming the +7 is not in the decimal but it seems to not matter). The degree of the polynomial 1 is 0 which can be represented by 1x^0. The second polynomial in the denominator has a degree of 8. So j = 0  and k = 8. Since 0 < (8-1)

0 < 7 the series converges

6 0
2 years ago
Factor 2x2 - 9x - 11.
tester [92]
Since 2 and 11 are prime we have
(2x 1)(1x 11) or
(2x 11)(1x 1)
we just need to figure out the signs

remember
(ax+b)(cx+d)=acx^2+bcx+adx+bd
the middle term coeficient is bc+ad
so
2x times 11=22x
1x times 1=x
there is not way to add or subtract 22x and x to get -9x

1st one is wrong

(2x 11)(x 1)

2x times  1=2x
11 times x=11x
11x-2x=9x

the 2x or the 1 has to  have the negative

(2x+11)(x-1)
6 0
3 years ago
Solve for x, and please explain!<br> Thanks in advance :D
Lana71 [14]
I hope I could help

4 0
4 years ago
*HELP ME PLEASE* Consider the equation: 3x + 1 – 9 = 3(x + 2) + n.
Lubov Fominskaja [6]

Answer:

n  = -14

Step-by-step explanation:

Let us try to solve this equation for n;

     3x + 1 - 9  = 3(x + 2)  + n

     3x  - 8  = 3x + 6 + n

      3x - 3x -8 - 6  = n

              -14  = n

The value of n  = -14

This value is the value of the equation that will have no solution.

 To know if we are correct, let us input this value into the expression

        3x + 1 - 9  = 3(x + 2)  + n

        3x - 8  = 3x + 6 -14

 Collect like terms;

        3x - 3x  = 8 + 6 - 14

               0 = 0

4 0
3 years ago
How long is a rectangular field with a width of 3/5 mile and an area of 21/50 square mile?
Elan Coil [88]
w=\frac{3}{5}mi\\\\l=?\\\\A_{\fbox{ }}=w\times l;\ A_{\fbox{ }}=\frac{21}{50}mi^2\\\\\frac{3}{5}l=\frac{21}{50}\ \ \ \ \ |multiply\ both\ sides\ by\ \frac{5}{3}\\\\l=\frac{21}{50}\times\frac{5}{3}\\\\l=\frac{7}{10}\\\\Answer:\boxed{\frac{7}{10}mi=0.7mi}
4 0
3 years ago
Read 2 more answers
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