Y/6 = 8/11
cross multiply
(11)(y) = (8)(6)
11y = 48
y = 48/11
y = 4.36 rounds to 4.4 <==
Answer:
A = 137° a = 14 cm
B = 26° b = 9 cm
C = 17° c = 6 cm
Step-by-step explanation:
<u>Cosine rule</u>
where:
- c is the side opposite angle C
- a and b are the sides with C as the included angle.
Given:
- a = 14 cm
- b = 9 cm
- c = 6 cm
<u>Sine Rule</u>
(where A, B and C are the angles and a, b and c are the sides opposite the angles)
Sum of interior angles of a triangle = 180°
⇒ ∠A + ∠B + ∠C = 180°
⇒ ∠A = 180° - 25.997...° - 16.9912...°
⇒ ∠A = 137.0107361...°
Yes because you have the follow the order of operations.
Answer:
Step-by-step explanation:
<u>Quadratic Model</u>
The quadratic function can be expressed in the form:
Where a,b, and c are constants to be determined using the points through which the function passes.
We have the points (-2,16) (0,0) (1,4). To find the values of a,b,c we just substitute the values of x and y and solve the system of equations.
Point (0,0):
It follows that
c=0
Point (-2,16):
Operating:
Since c=0:
Divide by 2:
Point (1,4):
Since c=0:
Adding [1] + [2]:
2a+a=12
3a=12
a=12/3=4
a=4
From [2]
b=4-a
b=4-4=0
b=0
The model is: