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xxMikexx [17]
3 years ago
15

X2+5xy+6y2 challenge question

Mathematics
1 answer:
saul85 [17]3 years ago
6 0

Answer:

Step-by-step explanation:

x^2+5xy+6y^2\\ \\ x^2+2xy+3xy+6y^2\\ \\ x(x+2y)+3y(x+2y)\\ \\ (x+3y)(x+2y)

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ok so im doing percentage in school and it the question is the rabbit poplulation is certain area of 500% of last years poplauti
Ratling [72]

Answer: 260

Step-by-step explanation: ok we know that there a 5 time increase (500 percent), meaning all we need to do is to divide this year number by 5 to find out last year number. 1300/5 is 260.

3 0
3 years ago
Marisa painted 1/2 of her bedroom in 3/4 of an hour. At this rate, how long would it take her to paint the entire room?
marishachu [46]
6/8 because she painted half of her room in 3/4 of an hour and add half of that and you get 6/8! Hope this helps! Im not very good at math so don't judge me if its wrong...
8 0
4 years ago
Read 2 more answers
PLEASE PLEASE PLEASE PLEASE PLEASE HELP! ANSWER WORTH 20 POINTS! I need answers ASAP!
timurjin [86]

Answer:

8.66

Step-by-step explanation:

root 75 is also 5 root 3 (after simplifying)

when that is converted into a decimal we get

8.660254038...

Rounding to the nearest hundred of that number we focus on these two numbers

8.6<u><em>60</em></u>254038...

As a result to the nearest hundreth is 8.66

3 0
3 years ago
An engineer estimated the weight of a steel beam to be 600 pounds. The actual weight of the beam was 639 pounds. Find the absolu
mario62 [17]

Answer:

Absolute error = 39

Percent Error = 6.10%

Step-by-step explanation:

Actual value = 639 pounds

Observed Value = 600 pounds

The formula to find absolute error is:

Absolute Error = Actual value - Observed Value

                        = 639 - 600

                        = 39

The formula to find Percent error is:

Percent Error = (Actual value - Observed Value / Actual value)*100

                       = (639 - 600/639)*100

                       = 6.10%

                 

7 0
3 years ago
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Which of following is the graph of y = -(x + 1)2 -3?
Len [333]

Answer:

See below.

Step-by-step explanation:

The graph of the quadratic equation is a parabola or u shaped graph. It has a vertex at (-1,-3) since h=-1 and k=-3 in the vertex form. It is also facing down since the leading coefficient is negative.

7 0
3 years ago
Read 2 more answers
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