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Damm [24]
1 year ago
8

PLEASE HELP!!! 3.05

Mathematics
2 answers:
Readme [11.4K]1 year ago
6 0

Answer:

I just did this assignment, so I will add my notes for you, to help others as well!

Step-by-step explanation:

Hope this helps!

Download pdf
Brilliant_brown [7]1 year ago
3 0

The new polynomial identity is 2(x² + 2xy + y²)

Given,

The polynomial identities

Column A    Column B

(x − y)             (x2 + 2xy + y2)

(x + y)             (x2 − 2xy + y2)

(y + x)             (ax + b)

(y − x)             (cy + d)

We have to square an identity from column A and add it with any one identity from column B.

So,

Lets take (x + y)      

(x + y)² = x² + 2xy + y²

We can add this identity with x² + 2xy + y² in column B.

That is,

x² + 2xy + y² + x² + 2xy + y²

= 2x² + 4xy +2 y²

= 2(x² + 2xy + y²)

That is,

The new polynomial identity is 2(x² + 2xy + y²)

Learn more about polynomial identity here;

brainly.com/question/11491967

#SPJ1

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How would I find all the solutions to the equation "7*sin^2x-14*sinx+2=-5"?
Aneli [31]

Answer:

Step-by-step explanation:

Find all solutions to the equation.

7 sin^2(x) - 14 sin x + 2 = -5

7sin^2(x)-14 sin x+7 =0

sin^2(x)-2sin x+1 =0

(sinx-1)(sinx-1)=0

sinx=1

x=π/2+2pi*k, k=integer

8 0
3 years ago
What is 728 divided by 3?
Alekssandra [29.7K]
728 ÷ 3
= 242.66667

Hope I can help you, brainliest answer? :)
3 0
3 years ago
Read 2 more answers
HELP!<br>What is the distance between points (6, -9) and (-3, 4)?​
ra1l [238]

Answer:

4 or \sqrt{250}

Step-by-step explanation:

I used M a t h w a y. it's really helpful. Good luck.

7 0
3 years ago
henry has 68 miles to destination after 45 minutes and 51.5 miles to destination after 71 minutes of driving. How many miles to
Airida [17]
Let d represent the distance of the destination from the starting point.

After 45 min, Henry has already driven d-68 miles.  After 71 min., he has already driven d-51.5 miles.

So we have 2 points on a straight line:

(45,d-68) and (71,d-51.5).  Let's find the slope of the line thru these 2 points:

                                 d-51.5 - (d-68)         16.5 miles
slope of line = m = ----------------------- = ------------------
                                     71 - 45                   26 min

Thus, the slope, m, is   m = 0.635 miles/min

The distance to his destination would be d - (0.635 miles/min)(79 min), or 

d - 50.135 miles.  We don't know how far his destination is from his starting point, so represent that by "d."

After 45 minutes:  Henry has d - 68 miles to go;

After 71 minutes, he has        d - 51.5 miles to go; and

After 79 minutes, he has         d -  x miles to go.  We need to find x.

Actually, much of this is unnecessary.  Assuming that Henry's speed is 0.635 miles/ min, and knowing that there are 8 minutes between 71 and 79 minutes, we can figure that the distance traveled during those 8 minutes is

(0.635 miles/min)(8 min) = 5.08 miles.  Subtracting thix from 51.5 miles, we conclude that after 79 minutes, Henry has (51.5-5.08), or 46.42, miles left before he reaches his destination.




7 0
3 years ago
I need help with this 20 points
iren2701 [21]

Answer:

I dont understand that sorry

4 0
3 years ago
Read 2 more answers
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