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padilas [110]
3 years ago
7

A parabola intersects the X-axis at X

Mathematics
1 answer:
fiasKO [112]3 years ago
4 0

Answer:

x = 6

Step-by-step explanation:

The vertex lies on the axis of symmetry which is situated midway between the x- intercepts, thus x- coordinate of vertex is

x_{vertex} = \frac{3+9}{2} = \frac{12}{2} = 6

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Answer:

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Step-by-step explanation:

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Ira Lisetskai [31]

Because LP and NP are the same measure, that means that MP is a bisector. It bisects side LN and it also bisects angle LMN. Where MP meets LN creates right angles. What we have then thus far is that angle LMP is congruent to angle NMP and that angle LPM is congruent to angle NPM and of course MP is congruent to itself by the reflexive property. Therefore, triangle LPM is congruent to triangle NMP and side LM is congruent to side NM by CPCTC. Side LM measures 11.

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3 years ago
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Step-by-step explanation:

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Please help, please help
zmey [24]
Answers:
x=22
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Explanation:
We learned from the question that all of the angles in a triangle add up to 180 degrees.

180=angle+angle+angle

When we plug in the values that the question gives us for the angles, we get this equation:

180=x+6x+(x+4)

After solving this equation, we get 22 as the value of x (The process of solving that equation is in the picture attached).

To solve for (x+4), we plug in the value of x, which is 22 and add 4.

(x+4)
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And finally, to solve for 6x, we plug in 22 again:

6x
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Hope this helps!

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