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spin [16.1K]
3 years ago
7

If you know the answer please tell me thank you

Mathematics
1 answer:
yan [13]3 years ago
6 0
11 seconds behind after 22 days
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What is the answer to x+y=3​
Nadusha1986 [10]

Answer:

(x+y)² =(x+y)(x+y)    Then you FOIL (First, outer, inner, last)

(x+y)² =(x+y)(x+y) = xx + xy + xy + yy [and when you combine like terms] = x² + 2xy + y²

(x+y)3 = (x² + 2xy + y²)(x+y) Then you FOIL (First, outer, inner, last)

(x+y)3 = (x² + 2xy + y²)(x+y) = x2x +2xxy + xy2 + x2y + 2xyy + y2y [and when you combine like terms] = x3 + 3x2y+ 3xy2 + y3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is 30=-5(6n+6) im confused
Flauer [41]

Answer:

Step-by-step explanation:

30 = -5(6n + 6)...distribute the 5 thru the parenthesis

30 = -30n - 30....add 30 to both sides

30 + 30 = -30n

60 = -30n....divide both sides by -30

-60/30 = n

-2 = n <===

5 0
3 years ago
Round .859 to nearest tenth
Nikolay [14]
0.9. The reason why is because the 5 brings the 8 to a 9.
6 0
3 years ago
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Spencer made a quilt for his cousin's doll. The quilt had a 7x7 array of different color square patches. If each patch is 1 3/4
Damm [24]

Answer:

\frac{2401}{16} square inches

Step-by-step explanation:

Given:

The quilt made by Spencer had a 7×7 array of different color square patches such that each patch is 1\frac{3}{4} in long.

To find: the area of the whole quilt

Solution:

Side of each quilt = 7(\frac{3}{4})=7(\frac{7}{4})=\frac{49}{4}

Quilt is in the form of a square such that area of square is given by (side)^2

Therefore, area of quilt = (side)^2=(\frac{49}{4})^2 =\frac{2401}{16}  square inches

3 0
3 years ago
Which ordered pair is a solution to the system of equations?
elixir [45]
I believe it would be (b) (-2,1)
4 0
3 years ago
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