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BARSIC [14]
2 years ago
8

Jack is putting up new shelves. He is using pieces of wood as shown below.

Mathematics
1 answer:
Evgen [1.6K]2 years ago
7 0
Yes I think it will be 315
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Solve the system by elimination
andreev551 [17]
The answer is x=5 and y=-2

3 0
3 years ago
What is the center of the circle that you can circumscribe about a triangle with vertices A(2, 6), B(2, 0), and C(10, 0)?
denis23 [38]
The three points A,B,C are all points on this circle.
Each point is then equal distance from the center, that distance being the radius of the circle.
Using the distance formula, we can find the center of the circle  (x,y):
d^2 = (x-x_0)^2 + (y-y_0)^2
Plugging in points A and B into distance formula, then setting them equal to each other gives:
(x-2)^2+(y-6)^2 = (x-2)^2 + y^2
Right away we can cancel out the x terms leaving:
(y-6)^2 = y^2
Expand Left side and Solve for y:
y^2 -12y +36 = y^2
y = 3
Plug in points B and C as before:
(x-2)^2 + y^2 = (x-10)^2 + y^2
Here we can cancel the y-terms.
Expand and solve for x:
x^2 -4x+4 = x^2 -20x+100
16x = 96
x = 6
Therefore the center of the circle is the point (6,3)
6 0
3 years ago
Y+6=-6(x+3)<br> rewrite the equation in Ax+By=C
kow [346]

Answer:

y=-6x-24

Step-by-step explanation:

just expand

y+6=-6x-18

then move the six from the left to the right

y=-6x-24

6 0
3 years ago
Cone volume of 288in<br> and height 7 in find base of radius
stepan [7]
The answer would be:

6 0
3 years ago
Use the distributive property to simplify the expression. 1/2 (2n + 4 + 6m)
solmaris [256]

Answer:

1n+2+3m

Step-by-step explanation:

1/2(2n+4+6m) Distributive property

2/2n+4/2+6/2m Simplify

1n+2+3m

6 0
2 years ago
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