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defon
3 years ago
11

< 3 de 13 Suppose f(x)=2x3+11x2 18x+9 has a zero at -3. What are the other solutions?

Mathematics
1 answer:
Georgia [21]3 years ago
7 0

Answer:   x ≓ 6.899067609

Step-by-step explanation:

Easy because:

(2 • (x3)) -  11x2) -  18x) -  9  = 0

(2x3 -  11x2) -  18x) -  9  = 0

2x3 - 11x2 - 18x - 9  = 0

2x3-11x2-18x-9 = 0

 F(x) = 2x3 - 11x2 - 18x - 9

At   x=   6.00   F(x)  is equal to  -81.00

At   x=   7.00   F(x)  is equal to  12.00  F(  6.899067609 ) is  -0.000000436  

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Solve the system of linear equations using any method 6x+6y=-6, 5x+y=-13
Sergio [31]

Answer:

x=-3

y=2

Step-by-step explanation:

To solve this problem you can use the elimination method:

- Multiply the second equation by -6:

(-6)5x+y=-13\\-30x-6y=78

- Add both equations:

6x+6y=-6\\-30x-6y=78\\-------\\-24x=72\\x=-3

- Substitute the value of x into one of the original equations and solve for y:

6(-3)+6y=-6\\-18+6y=-6\\6y=12\\y=2

8 0
3 years ago
Read 2 more answers
ASAP HELP PLEASE! WILL GIVE BRAINLIEST
Mila [183]

Answer:

  1. Least Value = 2
  2. Median = 6
  3. Greatest Value = 10
  4. Third Quartile = 8
  5. Range = 8 (10 - 2 = 8)
  6. First Quartile = 5

Step-by-step explanation:

7 0
3 years ago
A
KATRIN_1 [288]

Answer:

D. Zacpszcap. is probably the answer

7 0
3 years ago
For a snack, sander ate a plum with 32 calories and several strawberries with 4 calories each. If the total number of calories i
muminat

Answer:

6 strawberries

You subtract 32 from 56, which gives you 24. Then, if one strawberry is 4 calories, you can eat 6 of them to gain 24 calories.

32 + 24 = 56 ... So one plum (32) and six strawberries (4+4+4+4+4+4) gives you 56 calories, which is the total. That's how you can check your work.

Answer: 6

4 0
4 years ago
If angle 1 and angle 2 are vertical. If the measure angle 1= 6x+11 and the measure angle 2= 10x-9, find the measure angle 1
Paraphin [41]

Hey there!!

We know:- <em>Vertically opposite angles are equal. </em>

Hence,

Angle 1 = Angle 2

... 6x + 11 = 10x - 9

... 20 + 6x = 10x

... 20 = 4x

... x = 20 / 4

... x = 5

Angle 1 = 6x + 11

... 6 ( 5 ) + 11

... 30 + 11

... 41

<em>Hence, the measure of angle 1 is 41 degrees. </em>

Hope my answer helps!

4 0
3 years ago
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