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drek231 [11]
3 years ago
9

F(x)=-x^2+8x-11 find the value of f(-1)-f(1)

Mathematics
1 answer:
IrinaVladis [17]3 years ago
5 0

Answer: The answer is (4,5)

Step-by-step explanation:

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(- 6x + 7) + (2x - 6) = - 4x + 1
inna [77]

Answer:

Step-by-step explanation:

-4x + 1 = -4x + 1

1 = 1

infinitely many solutions

7 0
3 years ago
What is the answer 5(x-4)=3x+4
ruslelena [56]

Step-by-step explanation:

Simplify the left side:

5x - 20 = 3x + 4

Move all terms containing  x  to the left side of the equation:

2x - 20 = 4

Move all terms not containing  x  to the right side of the equation:

2x = 24

Divide each term by  2  and simplify:

x = 12

4 0
3 years ago
Read 2 more answers
Which number could be added to
Arturiano [62]

The number which could be added to both sides of the equation to complete the square is; -2.25.

<h3>Which number could be added to both sides of this quadratic equation to complete the square?</h3>

The quadratic equations give in the task content is; 1=x²-3x. Hence, to express the equation by completing the square method; we have;

1 - 2.25 = (x -3/2)² - 2.25

Hence, the number which should be added to both sides of the equation is; -2.25.

Read more on completing the square;

brainly.com/question/10449635

#SPJ1

3 0
1 year ago
If 5 becomes 11 and 12 becomes 25, what does 15 become?
Amiraneli [1.4K]

Answer:

31.

Step-by-step explanation:

5+5 = 10 + 1 = 11

12 + 12 = 24 +1 = 25

15 + 15 = 30 + 1 = 31

I don't know I tried to see if that was the pattern. It checks out math wise.

5 0
2 years ago
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I NEED HELP ! "DONT U ALWAYS" YES BUT I DONT UNDERSTAND THIS UNFORTUNATELY! lolll
KATRIN_1 [288]
I believe the building is 75.5 meters long
7 0
3 years ago
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