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sp2606 [1]
3 years ago
6

Please please help me

Mathematics
1 answer:
belka [17]3 years ago
5 0

Answer:

AM = 4

Step-by-step explanation:

On each median the distance from the vertex to the centroid is twice as long as the distance from the centroid to the midpoint, that is

AM = \frac{1}{3} × 12 = 4

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Given that lines a and b are parallel and that m∠4 = 128°, find m∠7.
Mrrafil [7]

Answer:

(depending on the picture) angle 7=128 or angle 7=52

Step-by-step explanation:

If it is parallel and a line is intersecting it (depending on where angle 4 and angle 7 is located) they are congruent or they are supplementary.

6 0
4 years ago
A square has an area of 4 ft^2 what is the lenght of each side
sergiy2304 [10]

area of square = 4ft²

a s area of square = length×lenght

let lenght =x

so area = x²

x²= 4ft²

taking square root

x=2 ftSo lebght of each side is 2 ft.

5 0
3 years ago
What is the focus of the parabola
Blizzard [7]

Answer:

(-4,1)

Step-by-step explanation:

The given parabola is

y = - \frac{1}{4} {x}^{2} - 2x - 2

When we rewrite in vertex form, we get;

y = - \frac{1}{4} {(x + 4)}^{2}  + 2

Or

{(x + 4)}^{2}   = - 4( y - 2)

When we compare to:

{(x  - h)}^{2}   = 4p( y - k)

We have 4p=-4

This means p=-1

But the vertex is at:

(-4,2)

Since it is a vertical parabola that opens down, the focus is one unit(|p|=1) below the vertex.

Hence the focus is (-4,1)

7 0
4 years ago
Please help need the answer now
Maslowich
Month 1
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4 0
3 years ago
Math help please thanks
Y_Kistochka [10]
Please don't post a set of problems with no work of your own shown.
I would gladly involve you in answering these questions, but will not do the problems and hand you direct answers.  Start with #1.  What do you understand about this problem, and what do you think you need to know to be able to solve it?
4 0
3 years ago
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