3 years ago

Find the value c that completes the square for x^2-8x+c

Mathematics

1 answer:

Blababa [14]3 years ago

7 0

Answer: 16

Step-by-step explanation:

$x^2-8x+c$

Let's complete the square.

$c=(\frac{b}{2})^2$

$c=(\frac{-8}{2})^2$

$c=(-4)^2\\ c=16$

You might be interested in

Write a ratio for the following description: For every 3 baskets that Kelvon made Brayden made one during practice.

gregori [183]

Answer:

3:1, 3/1, 3 baskets to 1 basket

Step-by-step explanation:

5 0

3 years ago

What is the perimeter of the pentagon below? 3.2 cm?

erica [24]

Answer:

You didn't attach a picture of the pentagon, but the perimiter can easily be found using one of the following formulae:

Step-by-step explanation:

P = 5s, where s is the length of a side

P = 2r × Sin(180/5), where r is the radius

4 0

2 years ago

Jada can bake 12 cookies in 30 minutes. A this rate, how long will it take her to bake 144 cookies?

Elodia [21]

6 hours

Working;
If 12 cookies take 30 minutes,
Then one cookie takes $\frac{30}{12}$

144 cookies would take <span> $\frac{30}{12}$ * 144
=360 minutes or 6 hours</span>

3 0

3 years ago

Answer this quick please

Ghella [55]

Answer:

$84s^{2} t\sqrt{35st}$

4 0

3 years ago

Read 2 more answers

Bev weighs a bag of apples labeled 5 pounds and finds that the weight is actually 72 ounces. To the nearest percent, what is the

Citrus2011 [14]

Answer: 10% is the percentage error.

Step-by-step explanation:

Since, According to the question the labeled weight of the a bag of apples = 5 pounds

Since, 1 pounds = 16 ounces

Therefore the labeled weight of the a bag of apples= 5 × 16 = 80 ounces

But, the actual weight of the bag of apples = 72 ounces

Since, The percentage error = ( experiment value - actual value)×100 /experiment value

Thus, percentage error of the weight of the bag of apple= (80-72)×100/80= 800/80= 10%

4 0

3 years ago