Formula for 1/9 divided by 2/3
1 answer:
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Answer:
Complementary angles.
Step-by-step explanation:
Notice that and
, by given.
, by sum of angles.
, by supplementary angles definition.
Which means,
Therefore,, in other words, angles a and b are complementary by definition.
Answer:
(c)
Step-by-step explanation:
Given
The attached graph
Required
Find h(3)
The formula to use in solving this is:
Substitute 3 for x
From the attached graph, the value od x = 3 points to the value of y = 1.
So, we have:
Use Pythagorean theorem:
9i-j = sqrt (9^2 - 1^2) = sqrt(81-1) = sqrt80
now divide both terms in V by that:
u = 9/sqrt(80)i - 1/sqrt(80)j
see attached picture:
9i-j = sqrt (9^2 - 1^2) = sqrt(81-1) = sqrt80
now divide both terms in V by that:
u = 9/sqrt(80)i - 1/sqrt(80)j
see attached picture: