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Alla [95]
3 years ago
8

What are the roots of the equation 5x^2=-9x-6n simplest a+bi form?

Mathematics
1 answer:
iVinArrow [24]3 years ago
4 0
5 square root of 2 is 25.
-9-6 is -15
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3(-2a-4)+3a what would this be i have so many questions today to ask y'all
Novay_Z [31]

Answer:

<h2>- 3(a + 4)</h2>

Solution,

3( - 2a - 4) + 3a \\  = 3 \times ( - 2a) - 3 \times 4 + 3a \\  =  - 6a - 12 + 3a \\  =  - 6a + 3a - 12 \\  =  - 3a - 12 \\  =  - 3(a + 4)

Hope this helps...

Good luck on your assignment...

8 0
3 years ago
Read 2 more answers
What if 8 crayons cost $11.50 what would one crayon cost lol.
WITCHER [35]

Answer:

<h2>$1.44</h2>

Step-by-step explanation:

Simply divide 11.5 by 8

8 goes into 11 1 time with 3 left over.

8 goes into 35 4 times with 3 left over.

8 goes into 30 3 times with 6 left over.

8 goes into 60 7 times with 4 left over.

8 goes into 40 5 times.

1.4375

<h2>Answer $1.44 a Crayon</h2>
6 0
3 years ago
You work 35 hours/week for 52 weeks and are given the option to be paid hourly or to go on salary. In which situation will you e
rjkz [21]

Answer:

Hourly

Step-by-step explanation:

if you work for that long and for that many hours you would get alot of money in about a month or two.

4 0
3 years ago
Read 2 more answers
Consider the quadratic equation x2 − 6x = 16.
e-lub [12.9K]

Answer:

  1. C) (x − 3)2 = 25
  2. C) Factor out 4 from 4x2 + 40x.

Step-by-step explanation:

1. Adding the square of half the x-coefficient to both sides of the equation will "complete the square." That square is 9, so the result on the right is 16+9 = 25. Only selection C matches.

___

2. To complete the square, you want to be able to put the quadratic into the form a(x -h)^2 = -k. For the purpose, it is most convenient to first factor "a" from the given quadratic. Then you can determine "-h" to be half the x-coefficient inside the parentheses.

Here, that looks like ...

  4(x² +10x) = 80 . . . . . . . . . . step 1: factor out 4

  4(x² +10x +25) = 180 . . . . . add 25 inside parentheses and the same number (4·25) on the right side of the equation

  4(x +5)² = 180 . . . . . . . . . . . written as a square

8 0
3 years ago
5. Simplify: 56 = 7 - 3 [4 + {8 - 4 ( 4 + 5 - 3 )}]​
shutvik [7]

Answer:

36

Step-by-step explanation:

56=7-3[4+{8-4(4+5-3)}]

56=7-3[4+{4(4+5-3)}]

56=7-3[4+{16+20-12)}]

56=7-3[4+24]

56=4[28]

56=92

56-56=92-56

36

3 0
3 years ago
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