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Assoli18 [71]
3 years ago
6

What is mean in math

Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
6 0
The mean is the average of the numbers. to find the mean add up the numbers and divide by how many numbers there are
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Factor x3+x2+x+1 by grouping. What is the resulting expression
zmey [24]

Answer:

(x+1) (x^2+1)

Step-by-step explanation:

x^3+x^2+x+1

Factor by grouping

x^3+x^2           +x+1

Factor out x^2 from the first group  and 1 from the second group

x^2( x+1)  + 1( x+1)

Factor out (x+1)

(x+1) (x^2+1)

7 0
3 years ago
Read 2 more answers
Factor sec^2x-secx+tan^2x
marysya [2.9K]

Answer:

sec²(x) - sec(x) + tan²(x) = (sec(x) - 1)(2sec(x) + 1)

Step-by-step explanation:

sec²(x) - sec(x) + tan²(x) =

= sec²(x) - sec(x) + [sec²(x) - 1]

= sec²(x) - sec(x) + [(sec(x) + 1)(sec(x) - 1)]

= sec(x)[sec(x) - 1] + [(sec(x) + 1)(sec(x) - 1)]

= (sec(x) - 1)(sec(x) + sec(x) + 1)

= (sec(x) - 1)(2sec(x) + 1)

6 0
3 years ago
What is a other name for the set of all x-values
Oliga [24]

Answer:

its domain

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
How would the expression x3 +8 be rewritten using Sum of Cubes?
Ipatiy [6.2K]

Answer:

alr so ques is

x3 + 8

x^3 + 2^3

now apply identity of a3 + b3

so finally we get

=(x+2)(x2−2x+4)

option 2

enjoy!!!!!

8 0
2 years ago
BRAINLIEST ASAPPPPPPPPP
Natali [406]
The answer is C. The IQR is the best measurement of spread for games and movies
hoped this helped
5 0
3 years ago
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