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Gnom [1K]
3 years ago
8

What are the solutions for x^2-4x-6=0

Mathematics
1 answer:
BaLLatris [955]3 years ago
5 0
X (approximately equals) 2+<span>√10
Or 5.162, -1.162</span>
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How to convert 5x^2-60x+200 to vertex form?
Rom4ik [11]
Y=a(x-h)^2+k 

is what vertex form look like. (h,k) is your vertex so in this problem your vertex would be (60,200) 
6 0
3 years ago
I need help pppppppllssssssssss​
balandron [24]

Answer:

y=x-1

Step-by-step explanation:

8 0
2 years ago
How to calculate standard deviation given mean and sample size?
ad-work [718]
In addition to mean and sample size you will need the individual scores.

The formula for standard deviation is:

S^2 = E(X-M)^2/N-1

Here's an example: 
Data set: 4,4,3,1
Mean: 3
Sample size: 4

First, put the individual scores one after the other and subtract the mean from it.
4 - 3 = 1
4 - 3 = 1
3 - 3 = 0
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Second, square the answers you got from step 1. 
1^2 = 1
1^2 = 1
0^2 = 0
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Standard deviation = 2
3 0
3 years ago
Find the slope of the points (2, 13) and (8, 1)
Pie
-2

y2-y1/x2-x1
take the y coordinate of the second pair of coordinates and subtract it by the y coordinate of the first pair, then take the x coordinate from the second pair of coordinates and subtract it from the x coordinate from the first pair. then put your answer from the y coordinate over the answer from the x coordinates. 1 - 13 / 8 - 2, then you get -12/6, which simplifies to 2.

Hope this helps :)
5 0
3 years ago
You have a box with dimensions 2 ft. x 4 ft. x 3 ft. a. If you want to wrap the box, what is the minimum amount of wrapping pape
shusha [124]

Answer: A) 52 ft  B) $134.68

Step-by-step explanation:

First find the surface area by multiplying the dimensions together.

2 x 4 = 8

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4 x 3 = 12

Then add them up and multiply by two because there are two of each side.

26 x 2 = 52

To find the cost, multiply 52 by $2.59 to get the price.

52 x $2.59 = $34.68

5 0
2 years ago
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