Emma sold all the parasols in the store for $84. She brought new
2 answers:
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In order to solve this, we need to figure out how much ONE student spends.
dollars per student.
If 10 student spent for lunch, we just have to multiply our number by how much each student spends.
If 10 student spent for lunch, we just have to multiply our number by how much each student spends.
Correct Option:
Option B
Solution:
The given expression is:
cos(3x) can be written as cos(2x +x). Expanding it, we get:
Using this value of cos(3x) in given equation, we get:
Option B
Solution:
The given expression is:
cos(3x) can be written as cos(2x +x). Expanding it, we get:
Using this value of cos(3x) in given equation, we get: