Answer:
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Step-by-step explanation:
9514 1404 393
Answer:
x° ≈ 50.0°
Step-by-step explanation:
The sides adjacent and opposite the angle are given. The appropriate trig relation is ...
Tan = Opposite/Adjacent
tan(x°) = 50/42
The inverse function is used to find the angle whose tangent is a particular value:
x° = arctan(50/42) ≈ 49.9697°
x° ≈ 50.0°
Answer: 1) y = 4x + 5
2) y = 3x + 2
3) y = (-5/6)x + 1/3
<u>Step-by-step explanation:</u>
Use the Point-Slope equation: y - y₁ = m(x - x₁) where
- (x₁, y₁) is a point on the line
- m is the slope
<u>(x₁, y₁) = (-1, 1) m = 4</u>
y - 1 = 4(x + 1)
y - 1 = 4x + 4
y = 4x + 5
<u>(x₁, y₁) = (1, 5) m = 3</u>
y - 5 = 3(x - 1)
y - 5 = 3x - 3
y = 3x + 2
<u>(x₁, y₁) = (-2, 2) m = -5/6</u>
y - 2 = -5/6(x + 2)
y - 2 = (-5/6)x - 5/3
y = (-5/6)x + 1/3
If a = 2, b = -1 and c = 3
-3a^2 - b^3 + 3c^2 - 2b^3 = -3(2)^2 - (-1)^3 + 3(3)^2 - 2(-1)^3 = -3(4) - (-1) + 3(9) - 2(-1) = -12 + 1 + 27 + 2 = 18
Answer:
20 times 3, do the math and you get
