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stealth61 [152]
3 years ago
10

Factor completely x2 + 20x − 36. (1 point)

Mathematics
1 answer:
Serggg [28]3 years ago
4 0

Consider the form x^2+bx+c. Find a pair of integers whose product is c and whose sum is b. In this case, whose product is 36 and whose sum is 20.

2, 18

Write the factored form using these integers.

(x+2)(x+18)

You might be interested in
436, 455, 280, 220, 353, 387, 119, 297, 241, 460, 393, 121, 146
Murrr4er [49]
First you would have to put the data in order.
119, 121, 146, 220, 241, 280, 297, 353, 387, 393, 436, 455, 460
To find the mean, you add up all the numbers and then divide by how many there are.
3908/13=300.6 (this is rounded to the nearest tenth)
To find the median, you have to look at the middle number
The median here is 297
To find the first quartile, you have to half the data set through the middle and find the middle number on the left
The first quartile is 220
Do the same thing for the third quartile, but look at the right data set
The third quartile is 393

Hope this helps!
4 0
4 years ago
At Alan’s Produce, all produce is 20% off on Tuesdays. If a head of lettuce is normally $2.50, how much would it cost on Tuesday
Rufina [12.5K]

Answer:

$2.00

Step-by-step explanation:

2.50*.20=.5

2.50-.5= $2

7 0
3 years ago
Write an addition fact that will give the same sum as 6+8
svetoff [14.1K]
10+4 or 3 + 11 these are some of them
3 0
3 years ago
Can someone tell me the answer?
Sonja [21]

Answer:

The answer is B.

5/6 approximately 0.83 = 83%

71%

0.6 = 60%

56%

Hope this helps! Have a good night!


3 0
3 years ago
If f(x) = 1 – x, which value is equivalent to |f(i)|?l
LenaWriter [7]

Answer:

Square root ( 2 )

Step-by-step explanation:

We have to determine which value is equivalent to | f ( i ) | if the function is: f ( x ) = 1 - x. We know that for the complex number: z = a + b i , the absolute value is: | z | = sqrt( a^2 + b^2 ). In this case: | f ( i )| = | 1 - i |. So: a = 1, b = - 1. | f ( i ) | = sqrt ( 1^2 + ( - 1 )^2) = sqrt ( 1 + 1 ) = sqrt ( 2 ).  

3 0
4 years ago
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