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balandron [24]
3 years ago
12

Factor xsquared +4x+4=0

Mathematics
1 answer:
Alex17521 [72]3 years ago
5 0
So we can use the ac method or foiling to find this answer, 

x^2 + 4x + 4 = (x+2)(x+2) 
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kim can mow the greens at the golf course twice as fast as shayla can. Working together, they can mow the greens in 4 hours. How
anyanavicka [17]

Answer: Kim can mow the greens alone in 6 hours.

Step-by-step explanation:

Let K be the rate Kim mows the greens, and S the rate for Shayla.  The rates K and S will be in greens/hour.

We know they can mow 1 green in 4 hours.  We can state this as a sum of their rates times the 4 hours equals one green:

(4 hours)*(K + S) = 1 green

We are told that K = 2S [Kim is twice as fast as Shayla]

Subsititute:

(4 hours)*(K + S) = 1 green

(4 hours)*(2S + S) = 1 green

4*(2S + S) = 1 green

12S = 1 green

Shalya's rate is 1 green/12 hours

Kim is twice as fast:  K = 2S

Kim's rate is 1 green/6 hours.

8 0
2 years ago
What is a histogram?
aliya0001 [1]

Answer:

a diagram consisting of rectangles whose area is proportional to the frequency of a variable and whose width is equal to the class interval.

explanation: A histogram is a chart that shows frequencies for. intervals of values of a metric variable. Such intervals as known as “bins” and they all have the same widths. The example above uses $25 as its bin width. So it shows how many people make between $800 and $825, $825 and $850 and so on.

5 0
3 years ago
What is the gcf of 6
Ludmilka [50]
Hey, The answer is 3
7 0
3 years ago
Read 2 more answers
WILL MARK BRAINLIEST!!! Solve the inequality - 3/4x + 6 > -3. x -2 x 12
Rufina [12.5K]

Answer:

All real numbers

Step-by-step explanation:

 

5 0
3 years ago
Read 2 more answers
Jorge (J), Marcus (M) and Ren (R) want to pool their Pokemon cards together. Jorge has two times the amount of cards that Marcus
Oxana [17]

Answer:

Marcus has 494 cards.

Jorge has 988 cards.

Ren has 518 cards.

Step-by-step explanation:

Let x  represent Marcus's cards.

M  +   J   +   R

(x) + (2x) + (x+24) = 2000

x + 2x + x + 24 = 2000

4x +24 =2000

4x = 1976

x = 494

7 0
3 years ago
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