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Mkey [24]
3 years ago
9

Help me with right answer plz

Mathematics
1 answer:
faust18 [17]3 years ago
8 0

Answer:

To find x we use tan

tan 53°= 14/x

x = 14/tan 53°

x = 10.55

Hope this helps.

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Find the vertex of the parabola. y = -4x2 - 16x - 11
emmasim [6.3K]
The standard equation is y=ax^2+bx+k and the vertex way is y=a(x-h)(x-h)+x
so the coordinate for x is -b/2a, for your problem a=-4   b=-16 so the coordinate for x is -(-16)/(2*(-4))=-2. Now you have to replace x=-2 in your equation y=-4(-2)^2-16(-2)-11= 5.
The vertex is (-2, 5)
5 0
4 years ago
Solve for x triangles
wel

Answer:

115

Step-by-step explanation:

180-50=130

130/2=65

180-65=115

4 0
3 years ago
Simplify x+ 5/8=6 for an answer
marshall27 [118]
If it is : (x + 5) / 8 = 6
multiply both sides by 8, eliminating the 8 on the left side
x + 5 = 8 * 6
x + 5 = 48
x = 48 - 5
x = 43

if it is : x + (5/8) = 6
subtract 5/8 from both sides
x = 6 - 5/8
x = 48/8 - 5/8
x = 43/8 or 5 3/8
8 0
4 years ago
What is the vertex angle of an isosceles triangle?.
LiRa [457]

The vertex angle is defined as the angle opposite the base. It can be calculated by formula, 180° - 2B = A where, B=base angle and A=vertex angle.

The two sides of an isosceles triangle are congruent, which means they are the same length. The third side of an isosceles triangle is larger than the other two and is known as the base.

Every triangle has three angles that add up to a total of 180°. The base angles are the two angles located along the base of isosceles triangles. In isosceles triangles, the base angles are always congruent, or equal.

The vertex angle is defined as the angle opposite the base. The vertex angle is always greater than the sum of the two base angles. The vertex angle is always calculated by subtracting the base angles from 180°, using the general formula: 180° - 2B = A, where B represents the base angle and A represents the vertex angle.

Thus, vertex angle is defined as the angle opposite the base.

To learn more about isosceles triangle refer here

brainly.com/question/18933031

#SPJ4

5 0
1 year ago
Help please! Timed***************
Anna007 [38]

Answer:

From my understanding the answer is te third choice.

8 0
3 years ago
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