Answer:
The answer to your question is 81
Refer to the diagram shown below.
Let the coordinates of the rotated vector be (a,b).
From the Pythagorean theorem,
d = √(5² + 7²) = 8.6023
The angle θ is given by
tan θ = 7/5 = 1.4
θ = tan⁻¹ 1.4 = 54.46°
φ = 180 - (90 + 54.46) = 35.54°
The coordinates of the rotated vector are
a = - d cos φ = - 8.6023*cos(35.54) = 7
b = d sin φ = 8.6023*sin(35.54) = 5
Answer: (-7, 5)
Answer:
Geometric
Step-by-step explanation:
The ratios of the terms are constant
Answer:
y(y - 4)
Step-by-step explanation:
Perform the indicated multiplication first:
4y^2 - 4y - 3y^2 (Note: use " ^ " to indicate exponentiation)
Combining the y^2 terms, we get:
y^2 - 4y, or y(y - 4)
Answer:
Slope is 2/5x
Step-by-step explanation: