Answer:
a 44°
Step-by-step explanation:
Think of the right triangle formed by the beam, the ground, and the wall.
The beam is the hypotenuse. For the angle between the ground and the beam, call it angle A, the 13.9 ft side is the opposite leg. The trig ratio that relates the opposite leg and the hypotenuse is the sine.
sin A = opp/hyp
sin A = 13.9/20
sin A = 0.695
A = sin^-1 0.695
A = 44°
y = 3x^2 + 12x + 14 is the equation of a parabola whose vertex is located at (-2, 2) and which also traverses the points (-3, 5) and (-1, 5). In the equation, the value of an is 3, and it is a constant.
<h3>What exactly is an equation, then?</h3>
An expression known as an equation is one that illustrates a connection between two or more sets of numbers and variables.
A quadratic equation will produce a graph that looks like a parabola because of its form. The typical form of the quadratic equation is as follows:
y = ax² + bx + c
y = 3x2 + 12x + 14 is the equation of a parabola whose vertex is located at (-2, 2) and which also traverses the points (-3, 5) and (-1, 5). In the equation, the value of an is 3, and it is a constant.
Visit this link to learn more about the parabola: brainly.com/question/21685473
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Answer: 15%
Step-by-step explanation:
% change = change/ actual value x 100
Change = 11 .50 - 10 = 1.5
Therefore % change = 1.5/10 x 100
= 15%
I believe it’s b or A but it’s most likely b