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Art [367]
3 years ago
10

F(x)=x^2+12x+7 f(x)=(x+_)^2+_ Rewrite the function by completing the square

Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
6 0

Answer:

f(x) = (x + 6)² - 29

Step-by-step explanation:

Given

f(x) = x² + 12x + 7

To complete the square

add/subtract ( half the coefficient of the x- term )² to x² + 12x

x² + 2(6)x + 36 - 36 + 7

= (x + 6)² - 29, thus

f(x) = (x + 6)² - 29

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HELP!! I need some help on this. I will do 10 points for every question of this test. I will also name the correct answer the br
iogann1982 [59]

Answer:

148 degrees

Step-by-step explanation:

32*2 = 64;

296/2 = 148 degrees.

3 0
3 years ago
The world famous gambler from Philadelphia, Senor Rick, proposes the following game of chance. You roll a fair die. If you roll
Orlov [11]

Answer:

You lose $0.833 while Rick gains $0.833, and so Rick is not Loco

Step-by-step explanation:

There are six numbers on a dice. Thus, probability of rolling exactly one number = 1/6

Probability of rolling two is 2/6.

Rolling a 1 pays $25, and probability = 1/6

Rolling a 2 pays $5,and probability = 1/6

Rolling a 3 pays $0, and probability = 1/6

Rolling a 4 or 5 pays -$10, and probability = 2/6

Rolling a 6 pays -$15, and probability = 1/6

Thus,lets calculate the expected value;

EV = (25 × 1/6) + (5 × 1/6) + (0 × 1/6) + (-10 × 2/6) + (-15 × 1/6)

EV = - $0.833

This means you lose $0.833 while Rick gains $0.833, and so Rick is not Loco.

7 0
3 years ago
Can someone just explain to me how to do this please
Dmitrij [34]

Answer: -7.5

Step-by-step explanation:

area = 1/2bh.

area = 1/2(x+6)(5)

area = x/2 + 15

area = x/2 = -15

area = x = -7.5

area = -7.5

5 0
2 years ago
Find the area of the sector in<br> terms of pi.<br> 120°<br> 24<br> Area = [?] π<br> Enter
Nady [450]
Sector area= theta/360 x πr^2

Radius= 24/2= 12

Sector area= 120/360 x π(12)^2

Final answer :

Sector area = 48π
3 0
2 years ago
Wich ratio does not belong: 7:49 1:7 2:14 3:11
umka2103 [35]

Answer:

3:11

Step-by-step explanation:

the other ones have 7 in them

5 0
3 years ago
Read 2 more answers
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