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poizon [28]
3 years ago
6

What number, c, completes the square? X^2 + 8x + c

Mathematics
1 answer:
barxatty [35]3 years ago
4 0

Answer:

16

Step-by-step explanation:

If you divide 8 by 2 it is 4 and 4 times itself is 16. Because to complete the square you find half of b and square it for c.

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vaieri [72.5K]
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Triangle equals 180
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4 0
3 years ago
Read 2 more answers
Dennis and Connie purchased a radio for $128. Dennis paid $36 more than Connie. How much did each pay?
never [62]

Answer:

Dennis paid $82 and Connie paid $46.

Step-by-step explanation:

We can set up an equation by putting in variables, c representing how much Connie paid. Since we know that Dennis paid $36 more, we will also factor that in the equation.

c + c + 36 = 128

Where c + 36 represents the amount Dennis paid, and 128 represents the total amount paid as given in the question. We can start by adding like terms. 2c + 36 = 128

Now, we can subtract 36 from each side,

2c + 36 - 36 = 128 - 36

2c = 92

Divide each side by two,

2c/2 = 92/2

c = 46

Now, to make sure this is correct, let's substitute our c for 46 in our equation:

46 + 46 + 36 = 128

92 + 36 = 128

128 = 128

Therefore, our equation is correct, and Dennis paid $82 while Connie paid $46.

6 0
3 years ago
Its due today please help!
Korolek [52]

Answer:

Cynthia and I will be there at the same time I don't have a car you have a car you have a car you have a car you have a car you have a car you have a car you have

5 0
3 years ago
Which system of equations could be graphed to solve the equation below? log Subscript 0.5 Baseline x = log Subscript 3 Baseline
mariarad [96]

Answer:

Step-by-step explanation:

y 1 = StartFraction log x Over log 0.5 EndFraction, y 2 = StartFraction log 2 Over log 3 EndFraction + x

3 0
3 years ago
Dividing, -please please please help?
harkovskaia [24]
B should be the answer Hope this helps.
5 0
4 years ago
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