Sport Soccer Jogging Walking Skiing Football Total Hrs 5 20 10 What percentage of total hours was spent skiing? [?]% 5 10 50
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Andrew can reach a maximum of high up the wall.
The right-angled triangle formed can be solved using the ratio. that is
where is the distance from the foot of the wall to the tip of the ladder where it rests on the wall. Substituting, and solving for
, we get
Since Andrew can reach an extra above the point where the ladder rests against the wall, the maximum height Andrew can paint is
Another solved word problem on trigonometry can be found here: brainly.com/question/12146092
Let numbers of books be 'b' and numbers of CDs be 'c'
We can set up two equations:
Equation [1] ⇒
Equation [2] ⇒
We are solving for the number of books and the number of CDs bought
When we have two equations in terms of two different variables;
and 
, that we need to solve, then this becomes a simultaneous equation problem.
First, rearrange Equation [1] to make either or the subject:
Then we substitute into Equation [2]
Now we know the value of which is , substitute this value into we have 
Answer:
Numbers of books = 13
Numbers of CDs = 7
We can set up two equations:
Equation [1] ⇒
Equation [2] ⇒
We are solving for the number of books and the number of CDs bought
When we have two equations in terms of two different variables;
First, rearrange Equation [1] to make either
Then we substitute
Now we know the value of
Answer:
Numbers of books = 13
Numbers of CDs = 7
Step-by-step explanation:
use Pythagoras theorem,