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topjm [15]
3 years ago
14

Xsquare + 10x + 16 equals 0

Mathematics
1 answer:
inn [45]3 years ago
7 0
X^2+10x+16=0

First, you find factors of 16.
1 x 16
2 x 8
4 x 4

Next, you find which of the factor pairs adds up to 10 (from the 10x). In this case, 2 x 8 because 2 times 8 is 16 and 2 plus 8 is 10.

Then, the equation will be written out as: (x+2) (x+8). Take those two equations and set them equal to 0, and then solve.

x+2=0
-2 -2
x=-2

x+8=0
-8 -8
x=-8

So, your answers are x=-2 and x=-8. You can check by plugging in those two numbers as x.

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A pool is being drained at a rate of 120 gallons per minute.What is this rate in quarts per hour?
zysi [14]
There are 4 quarts in 1 gallon, so a rate of 120 gallons per minute converts to 4 x 120 = 480 quarts per minute. To find the per hour rate, we simply multiply our per minute rate by 60, obtaining 480 x 60 = 28800 quarts per hour.
7 0
3 years ago
Why did large numbers of Africans migrate to the Americas? A. Countries competed over resources during the Age of Exploration, a
Marianna [84]

Answer:DEFINITELY B

THE PROOF IS IN YOUR BIBLE

Step-by-step explanation:

7 0
3 years ago
Consider a bell-shaped symmetric distribution with mean of 16 and standard deviation of 1.5. Approximately what percentage of da
fredd [130]

Answer: 95.45 %

Step-by-step explanation:

Given : The distribution is bell shaped , then the distribution must be normal distribution.

Mean : \mu=\ 16

Standard deviation :\sigma= 1.5

The formula to calculate the z-score :-

z=\dfrac{x-\mu}{\sigma}

For x = 13

z=\dfrac{13-16}{1.5}=-2

For x = 19

z=\dfrac{19-16}{1.5}=2

The p-value = P(-2

0.9772498-0.0227501=0.9544997\approx0.9545

In percent, 0.9545\times100=95.45\%

Hence, the percentage of data lie between 13 and 19 = 95.45 %

6 0
3 years ago
Explain how to use conversion ratios to convert 704 oz to pounds
aleksklad [387]
Ounces is abbreviated as oz

16 ounces = 1 pounds

1 ounce =  (1/16) pounds

704 ounces =   (1/16) * 704  = 704/16 = 44

704 ounces = 44 pounds.
 
6 0
3 years ago
Which rule yields the dilation of the figure STUV centered at the origin?
Stels [109]

The length of ST is 10 units, the length of S't" is 2 units.


This means the dilated figure was decreased by a factor of 5.

Because it is smaller it would be a scale factor of 1/5 ( 0.2 as a decimal).

5 0
3 years ago
Read 2 more answers
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