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Vinil7 [7]
3 years ago
7

Adding and subtracting polynomials. help?

Mathematics
2 answers:
vekshin13 years ago
8 0

Answer:

3)

Step-by-step explanation:

1. Remove brackets

2.  add like terms (-8y and 2y)

3. copy the un-addble terms behind

PSYCHO15rus [73]3 years ago
6 0

Answer:

Third choice

Step-by-step explanation:

Add and subtract like terms:

-2xy - 6xy = -8xy

-8y - 2y = -10y

-4y^4 + y^4 = -3y^4

Combine them together, and you get:

-3y^4 - 8xy -10y

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7. What's the sum of 2/5 and 2/4?
NISA [10]

Step-by-step explanation:

2/5+2/4 (find common denominator)

The common denominator is 20

2/5 is 8/20 (multiply by 4)

2/4 is 10/20 (multiply by 5)

8/20+10/20 is 18/20

If you simplify 18/20 this would by 9/10 if you divide by 2

so the total is 18/20 or 9/10 simplified

Hope this helps!!!!

Have a nice day :)

5 0
3 years ago
Read 2 more answers
Pls help me with these math problems
Genrish500 [490]
A) 24; finding the area of a parallelogram is the same as finding the area of a rectangle
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3 years ago
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Green’s Sport Shop offers its salespeople an annual salary of $10,000 plus a 6% commission on all sales above $20,000. Every emp
GalinKa [24]

Mr. Cahn’s total earnings in a year is $18,900.

<h3>What is the total earnings?</h3>

The total earnings is a function of the annual salary, commission and Christmas bonus.

Total earnings = annual salary + commission + Christmas bonus

Commission = 6% x (160,000 - 20,000)

6% x $140,000

0.06 x 140,000 =  $8,400

Total earnings =  $8,400 + 10,000 + $500 = $18,900

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5 0
2 years ago
Solve 5x + 2 = 3x -8
qaws [65]

Step-by-step explanation:

5x-3x=-8-2

2x=-10

x=-10/2

x=-5

8 0
3 years ago
Read 2 more answers
Slope=-2 Passing through (3,5) write the equation of the line in slope intercept form
padilas [110]
Let's use the point-slope formula here:

y - 5 = -2(x - 3).  That's it.  You could, of course, rewrite this in slope-intercept form, as follows:

y = 5 - 2x + 6,   or   y = -2x + 11, in slope-intercept form.
5 0
4 years ago
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