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Andrei [34K]
4 years ago
10

I'd really appreciate it if someone could help me with this question? I don't know why, but I'm sorta struggling with it.

Mathematics
2 answers:
MrRa [10]4 years ago
8 0
                          5x        -6
-3x^3 + 2x^2                                      (Note how I changed the signs.)
------------------------------------ 
-3x^3  + 2x^2 + 5x - 6          (this is the "difference" that you wanted.

aivan3 [116]4 years ago
3 0
-3x^3+2x^2+5x-6<span><span>

</span></span>
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-(5 – 9) - (-2)(2)<br> how do i solve this?
sashaice [31]

Answer:

8

Step-by-step explanation:

-(5 – 9) - (-2)(2)

-(-4) - (-2)(2)

4 - (-4)

4 + 4

8

Use PEMDAS

7 0
3 years ago
Read 2 more answers
Keith is trying to figure out the area of his pool section in his backyard he knows that his pool is 20 feet long and 9 feet wid
Nata [24]

Answer:

The total area of the pool section of Keith's backyard is 390 square feet.

Step-by-step explanation:

Since Keith is trying to figure out the area of his pool section in his backyard, and he knows that his pool is 20 feet long and 9 feet wide, and he also knows the sidewalk is 3 feet wide all around the floor, to determine what is the total area of the pool section of Keith's backyard, the following calculation must be performed:

(20 + 3 + 3) x (9 + 3 + 3) = X

26 x 15 = X

390 = X

Therefore, the total area of the pool section of Keith's backyard is 390 square feet.

3 0
4 years ago
....help please................
Tamiku [17]

Step-by-step explanation:

x=3\\y=\frac{1}{3}\\z=5\\ \\\frac{12x-3y}{4x-z} \\=\frac{12*3-3*\frac{1}{3} }{4*3-5}\\=\frac{36-\frac{3}{1}*\frac{1}{3}  }{12-5} \\=\frac{36-\frac{3}{3}}{7}\\=\frac{36-1}{7}\\=\frac{35}{7}\\=5

6 0
3 years ago
Read 2 more answers
PLEASE PLEASE PLEASE HELP<br> FAST<br> (The last answer choice is: <br> [-1 4<br> 5 -7 ]
mote1985 [20]
Yes your answer is correct 
Just plug in A - 2B + C

5 - 2(4) + 2 = -1
2 - 3(2) + 8 = 4
3 - 2(-1) + 0 = 5
0 - 2(6) + 5 = -5

so
[-1     4]
[5     -7]
6 0
4 years ago
State whether the following statements are True or False:
levacccp [35]

Answer:

a) False

b) True

c) True

d) False

Step-by-step explanation:

6 0
3 years ago
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