Answer:
See explanation
Step-by-step explanation:
<u>Line A</u>
gradient = 4
x-intercept = -1
y-intercept = 4
<u>Line B</u>
gradient = -3
x-intercept = -1
y-intercept = -3
<u>y + 8x = - 72</u>
x-intercept = -9
y-intercept = -72
Answer:
60°
Step-by-step explanation:
the angle Θ between vectors a and b is
cosΘ = = = = , then
Θ = ( ) = 60°
Answer:
Step-by-step explanation:
Answer:
14 is the answer of the sum
Step-by-step explanation:
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