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il63 [147K]
3 years ago
14

Factor completely. x^3 + 2x^2 + x + 2

Mathematics
1 answer:
slega [8]3 years ago
8 0
x^3 + 2x^2 + x + 2=\\
x^2(x+2)+1(x+2)=\\
(x^2+1)(x+2)
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The coordinates of the vertices for rectangle ABCD are A (2,4), B (6,10), C (9,8) and D (5,2). What
sweet [91]

Answer:

D. \sqrt{65}

Step-by-step explanation:

The computation of the  length of a diagonal (AC or BD) of the rectangle is shown below:

As we know that

The Diagonal length of AC is

= (x_2 - x_1)^2 + (y_2 - y_1)^2\\\\= (9 -2)^2 + (8 - 4)^2\\\\= (7)^2 + (4)^2

= \sqrt{49 + 16}\\\\= \sqrt{65}

Therefore correct option is D.

3 0
2 years ago
Suppose Đ1 and Đ2 are known to be complementary. If mÐ1 = 20, then mÐ2 =
juin [17]

Answer:

70

Step-by-step explanation:

complementary angles are 2 angles that add up to 90, the first angle is already 20 so just subtract 90-20 to find other angle

6 0
3 years ago
Pls help! I need help with a and c I did b already!
laila [671]

Answer:

A= y= -2x+7.

B= y= -\frac{3}{2}x+ 6

Step-by-step explanation:

The linear equation is y=mx+b

A= y= -2x+7.

-2 represents he slope and 7 represents the y intercept.

B= y= -\frac{3}{2}x+ 6

-\frac{3}{2} is the slop and 6 is the y intercept.

Hope this helps :)

8 0
3 years ago
Work out -8 - 8 I don’t understand this question help
shepuryov [24]
-8 -8 = -16
You add -8 to -8
7 0
3 years ago
Read 2 more answers
4 questions 50 points
MAXImum [283]
I hope this helps you

8 0
3 years ago
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