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Anettt [7]
3 years ago
10

Chelsea writes the expression (n + 1)(n + 2) + 2n for the number of circles used to make the nth figure in the pattern shown.

Mathematics
1 answer:
Nikolay [14]3 years ago
3 0

Answer:

Step-by-step explanation:

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find a set of parametric equations of the line the line pases through the point (2,3,4) and is parallel to the xz-plane and the
joja [24]

Answer:

x=2, y=3, z=4+t

Step-by-step explanation:

For this case we need a line parallel to the plane x z and yz. And by definition of parallel we see that the intersection between the xz and yz plane is the z axis. And we can take the following unitary vector to construct the parametric equations:

u= (u_x, u_y, u_z)= (0,0,1)

Or any factor of u but for simplicity let's take the unitary vector.

Then the parametric equations are given by:

x= P_x + u_x t

y= P_y + u_y t

z= P_z + u_z t

Where the point given P=(2,3,4)= (P_x , P_y, P_z)

And then since we have everything we can replace like this:

x= P_x + u_x t 2+ 0*t = 2

y= P_y + u_y t= 3+ 0*t = 3

z= P_z + u_z t = 4+ 1t = 4+t

x=2, y=3, z=4+t

6 0
3 years ago
What is the common ratio of the geometric
Reptile [31]

the answer is B. 7

Step-by-step explanation:

it's the number u see the most therefore its the most common

3 0
2 years ago
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Which equations could be used to solve for the
Nana76 [90]

Answer: A,E

Explanation: i just sacrificed my answer to find the right answer

3 0
3 years ago
8(-2x+1)=30-(-4+3x)<br><br> solve for x
Fittoniya [83]

Answer:

-2

Step-by-step explanation:

8 (-2x + 1) = 30 - (-4 + 3x)   Distribute

-16x + 8 = 30 + 4 - 3x  Combine like terms

-16x + 8 = 34 - 3x   Rearrange terms

-13x = 26 Divide by -13 on both sides

x = -2

4 0
2 years ago
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for a recipe Peter uses 2 cups of sugar for every 3 cups of flour which table shows equivalent ratios for this table
Novosadov [1.4K]

Answer:  

4 to 6  


Step-by-step explanation:

if you do 2 times 2 which is 4 then you do 3 times which is 6 then you get your answer

4 0
3 years ago
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