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weeeeeb [17]
3 years ago
15

If f(x) = x2 – 6x + 14, what is f(-2)?

Mathematics
2 answers:
Yuri [45]3 years ago
8 0

Answer:

f(- 2) = 30

Step-by-step explanation:

To evaluate f(- 2) substitute x = - 2 into f(x), that is

f(- 2) = (- 2)² - 6(- 2) + 14 = 4 + 12 + 14 = 30

Paraphin [41]3 years ago
4 0

Answer: −28

i think ?????

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Find three consecutive integers whose sum is 57????
Setler79 [48]

Answer:18 19 20

Step-by-step explanation:"Consecutive"  means that the integers will follow each other in value, for example:  1, 2, 3 or 4, 5, 6.  Also, no decimals are needed here because "integers" are whole, counting numbers. Here is the set up:   Let x= the first integer     Then    X+1= 2nd consecutive integer   and x+2= 3rd  .  

Suppose that x=1   x+1= 1+1=2   and x+2=1+2=3   However, you need specific consecutive numbers whose sum is 57.  Remember that sum means to add:

x+  (x+1)  + (x+2) = 57                 Addition of all 3 consecutive numbers   Now solve for x

                                                   and substitute into each part to come up with the three integers:

3x + 3= 57        3x=54               x=54/3  =  18            x=18,   x+1= 18+1=19      x+2=18+2=20

Check your answer:  18+19+20=57                 57=57  Check

7 0
3 years ago
Idk how to solve these questions
Anuta_ua [19.1K]
Of means multiply

3/5 *n=30

3/5 5/3 cancels than you do 30 *5/3 =50

The answer is 50 you can check your answer by doing 3/5 *50=150/5 or 30 so it's correct .
5 0
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The question is in the picture.
bogdanovich [222]
Just download photomath bro, does everything for you.

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Hello!

Brice is standing further away from the door, because 20 metres are greater than 20 centimetres.

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