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Maru [420]
3 years ago
14

Factor the polynomial x2 + x - 6. Which one of the following is a factor? (x - 1) (x + 2) (x + 3) (x + 5)

Mathematics
1 answer:
Stells [14]3 years ago
8 0
The factors are (x+3) & (x-2)
Your answer is (x+3)
Hope this helps
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The length of a rectangle is 14 inches and it’s area is (42x+56) square inches. Factor the expression for the area. Write an exp
sergey [27]

Answer:

Step-by-step explanation:

Area = 42x + 56

length * width = 14* 3x + 14*4

14 * width = 14*(3x+4)

width=\frac{14*(3x+4)}{14}\\\\width=3x+4

5 0
3 years ago
Britany sends between 10 and 20 text messages per day. Each text message costs $0.80. Suppose Britany's cellular bill spans a pe
Dafna11 [192]
Well if its between 10 & 20 take the median which is 15 and multiple it by the about of days which is 56 and you get 840 dollars <span />
3 0
3 years ago
Geometry area question. Please help!
timurjin [86]
You can calculate polygon area with only apothem OR side length.

apothem only
area = apothem^2 * 6 * tan (180/6)
area = 10.4^2 * 6 * 0.57735
area = 108.16 * <span> <span> <span> 3.4641 </span> </span> </span>
area = <span> <span> <span> 374.677056 </span> </span> </span> square yards

side length only
area = 6 * 12^2 * / 4*tan(30)
area = 864 / 4 * 0.57735
area = 864 / <span> <span> <span> 2.3094 </span> </span> </span>
area = <span> <span> <span> 374.1231488698 </span> </span> </span> square yards

If apothem and side length were given with more precision, the answers would be closer.

Source:
http://www.1728.org/polygon.htm


5 0
3 years ago
In the given diagram, which of the following can you use to prove that triangle ABC is an isosceles triangle?
docker41 [41]
The answer is D) I just went over this.
6 0
4 years ago
Read 2 more answers
The population mean annual salary for environmental compliance specialists is about $63,500. A random sample of 35 specialists i
Anastasy [175]

Answer:

0.003

Step-by-step explanation:

By formula we know that:

z (x) = (x - m) / [sd / sqrt (n)]

where x is the value we want to know (60,000), m is the mean (63500), sd is the standard deviation (6100) and n is the sample size (35).

Replacing we have:

z (60000) = (60000 - 63500) / [6100 / sqrt (35)]

z = -3.39

If we look in the normal distribution table (attached), we have that the probability is 0.0003.

6 0
3 years ago
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