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grin007 [14]
2 years ago
6

Which value must be added to the expression x2 + 12x to make it a perfect-square trinomial?

Mathematics
1 answer:
Maksim231197 [3]2 years ago
3 0

+ 36 is ur Answer

ONLY NAKED GIRLS

ID => 657 824 8085

PA => 12345

[ONLY - GIRLS]

On ZO.OM App

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Please help with this problem. It's very confusing.
Eddi Din [679]

Answer:

9x

Step-by-step explanation:

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8 0
3 years ago
Quadrilateral ABCD​ is inscribed in this circle. What is the measure of angle C?
Shkiper50 [21]

Answer:

107 degrees

Step-by-step explanation:

For an inscribed quadrilateral, the opposite angles are supplementary. Thus, B+D = 180 and you can solve for x.

3x+9+2x-4 = 180

5x = 175

x = 35

Next, plug the x value into angle A.

2(35) + 3 = 73

Angle C is the supplement of this which is 180-73 = 107

6 0
3 years ago
Four students in Ms. Alton's class shared the correlation coefficients derived from their data as follows: Student A: r = –0.87
faltersainse [42]

Answer:

Student A

Step-by-step explanation:

just did the assignment

8 0
3 years ago
Read 2 more answers
A rectangle has a width of 2.5 inches and a length of x inches. The value of the perimeter of the rectangle is equal to the valu
Advocard [28]

Answer:

Step-by-step explanation:

W=2.5, L=x

A=LW=2.5x

P=2(L+W)=2(2.5+x)=5+2x

P=A

5+2x=2.5x

5-0.5x=0

-0.5x=-5

x=10

7 0
3 years ago
"Parameterize the plane through the point (−1,−3,1) with the normal vector ⟨−4,4,3⟩
Makovka662 [10]
The equation of the required plane can be obtained thus:
-4(x + 1) + 4(y + 3) + 3(z - 1) = 0
-4x - 4 + 4y + 12 + 3z - 3 = 0
4x - 4y - 3z = 5

Let x = 1, y = 2, then 4(1) - 4(2) - 3z = 5
z = (4 - 8 - 5)/3 = -9/3 = -3
Thus, point (1, 2, -3) is a point on the plane.

Let a = (a1, a2, a3) and b = (b1, b2, b3) be vectors parallel to the plane.
Then, -4a1 + 4a2 + 3a3 = 0 and -4b1 + 4b2 + 3b3 = 0
Let a1 = 2, a2 = -1, then a3 = (4(2) - 4(-1))/3 = (8 + 4)/3 = 12/3 = 4 and let b1 = -1 and b2 = 2, then b3 = (4(-1) - 4(2))/3 = (-4 - 8)/3 = -12/3 = -4
Thus a = (2, -1, 4) and b = (-1, 2, -4)

Therefore, the required parametric equation is r(s, t) = s(2, -1, 4) + t(-1, 2, -4) + (1, 2, -3) = (2s, -s, 4s) + (-t, 2t, -4t) + (1, 2, -3) = (2s - t + 1, -s + 2t + 2, 4s - 4t - 3)


3 0
3 years ago
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