you practice the piano for 30 min. each day. Write and solve an equation to find the total time t you spend practicing the piano
2 answers:
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We first approach this problem by illustrating the situation. Refer to the diagram attached.
From the diagram, we can clearly see that we need to simply solve for the length marked x in order to find the distance between the foot of the ladder to the base of the wall.
Remember SOHCAHTOA. We can apply here the concept of cosine since we have the angle. Incorporationg x into the equation, we can simply make use of the relation cosine 72° = adjacent/hypotenuse.
ANSWER: The distance between the foot of the ladder and the base of the wall is 4.6 feet.
From the diagram, we can clearly see that we need to simply solve for the length marked x in order to find the distance between the foot of the ladder to the base of the wall.
Remember SOHCAHTOA. We can apply here the concept of cosine since we have the angle. Incorporationg x into the equation, we can simply make use of the relation cosine 72° = adjacent/hypotenuse.
ANSWER: The distance between the foot of the ladder and the base of the wall is 4.6 feet.
The average low temperature for January was 40 °F - 100%.
The average low in February was x °F - 27% lower, that is 100%-27%=73%.
Write a proportion:
Answer: the average low in February was 29.2 °F.