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Tatiana [17]
3 years ago
5

Find the discriminant. (Must Show Work) -9m^2+m-7=0

Mathematics
1 answer:
algol [13]3 years ago
4 0

Answer:

-251

Step-by-step explanation:

the discriminant .b^2-4ac

=1-4×(-9)×(-7)

=1-252=-251

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There are 10 Superscript 9 bytes in a gigabyte. There are 10 Superscript 6 bytes in a megabyte. How many times greater is the st
nekit [7.7K]

Answer:

1000 times greater.

Step-by-step explanation:

10^9 / 10*6

= 10^(9-6)

= 10^3

= 1000.

6 0
3 years ago
Read 2 more answers
Please help this is so confusing to me
Stels [109]

First multiply C by F by multiplying each row in C by each column in F:

12 * -2 + 0*0 + 1.5*2   12*0 + 0*8 + 1.5*1

1*-2 -6*0 +7.2       1*0-6*8 +7*1


to get a matrix of:

-21   1.5

12   -41


Now subtract that matrix from B:


2- -21 = 2+21 = 23

8 - 1.5 = 6.5

0.6 - 12 = -11.4

3 - -41 = 3+41 = 44


So you have:

23   6.5

-11.4   44


Which makes C the correct answer.

         

6 0
4 years ago
Which number line would best model the quotient 3/4 divided by 6?​
slava [35]
I think it’s D I hope this helps!!!
6 0
3 years ago
Use the quadratic formula to solve 9x2 + 6x – 17 = 0. A. B. x = –1, –5 C. D.
Taya2010 [7]

Answer:

x_{1} = -\frac{1}{3} +\sqrt{2} ; x_{2} = -\frac{1}{3}-\sqrt{2}

Step-by-step explanation:


9x² + 6x – 17 = 0

Apply the quadratic formula

x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}

a = 9; b = 6; y = -17

x = \frac{-6\pm\sqrt{6^2 - 4\times 9 \times(-17)}}{2\times 9}

x = \frac{-6\pm\sqrt{36+36\times17}}{18}

x = \frac{-6\pm\sqrt{36(1+17)}}{18}

x = \frac{-6\pm 6 \sqrt{18}}{18}

x = \frac{-1\pm \sqrt{9\times2}}{3}

x = \frac{-1\pm 3\sqrt{2}}{3}

x_{1} = -\frac{1}{3} +\sqrt{2} ; x_{2} = -\frac{1}{3}-\sqrt{2}

The graph below shows the roots at x₁ =1.081 and x₂ = -1.748.

6 0
3 years ago
Show me who to do this question?
defon
The answer for 50 is F) 2 frames  
4 0
4 years ago
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