How many boxes of cereal can you buy with $9 if one box costs $3? in one step eqution
1 answer:
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Answer:
0.51 cm
Step-by-step explanation:
In right triangle MNP, MP = 4 cm, m∠N = 90°, m∠P = 21°
By the sine definition,
Now, consider right triangle HMN (it is right because NH is an altitude). By the cosine definition,
In the right triangle, two acute angles are always complementary, so
Thus,
- Set up
- Get all fractions to a common denominator which will allow you to subtract them
- Subtract numerators
- Simplify