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OLga [1]
3 years ago
7

Please help me factorise this problem: x^2+4x+4

Mathematics
2 answers:
Sophie [7]3 years ago
6 0
The answer is (X+2)^2

tiny-mole [99]3 years ago
3 0
(x+2)^2

Factors of 1 (from 1x) = 1
Factors of 4 (constant) = 1,2,4

You want to find what numbers add 4 and multiply to 4. If I do 2+2, it equals 4. If I do 2*2, it equals 4. Therefore: (x+2)(x+2) = (x+2)^2
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Which pair of segments in the figures below are congruent
madam [21]

Answer:

1 and 2

Step-by-step explanation:

5 0
4 years ago
the number of girls on the school's basketball team decreased by 20% this year. if there were 25 girls on the team last year. ho
Harman [31]

Answer:

Step-by-step explanation:

okay so to get 10% of 20 you just move the decimal to the right one so 25.0 would become 2.5 then to find 20% of that you multiply by 2 so 2.5 x 2 = 5 so that means the team lost 5 girls. 25-5=20 therefor there are 20 players on the team this year

4 0
3 years ago
Each month, Lilian spends 1/3 of her salary, saves 3/8 of the remainder and shares the rest of her salary equally among her moth
Natalija [7]

Fraction left after spending = 1 - 1/3 = 2/3


Fraction saved = 3/8 x 2/3 = 1/4


Fraction left after saving = 2/3 - 1/4 = 5/12


Fraction shared with 3 people = 5/12 ÷ 3 = 5/12 x 1/3 = 5/36


Answer: 5/36

8 0
4 years ago
For an independent-measures ANOVA comparing two treatments with a sample of n = 10 in each treatment, what is the critical value
trapecia [35]

Answer:

critical value is 4.41

Step-by-step explanation:

Given data

n = 10

α = .05

to find out

the critical value

solution

first we calculate degree of freedom i.e

degree of freedom = n -1

degree of freedom = 10 - 1

degree of freedom = 9

and

degree of freedom 2 =( n -1 ) 2

degree of freedom 2 =( 10 -1 ) 2

degree of freedom 2 = 18

so for degree of freedom 9 and degree of freedom 2 is 18  and α = .05

critical value is 4.41

4 0
3 years ago
Kathy has $3,500.00 in her savings account. She makes $1,500.00 each month at her new job. She wants to save up $7,000.00 in thi
Bogdan [553]
The answer to your problem is C
5 0
3 years ago
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