Kiley can complete 35 math problems in 1 1/4 hours.How many can she complete in one hour
2 answers:
Answer:
She can complete 12.72≈13 problems in one hour.
Step-by-step explanation:
Given : Kiley can complete 35 math problems in 1 1/4 hours.
To Find : No. of Problems she can complete in one hour.
Solution :
Since we are given that :
Kiley can complete no. of math problems in 1 1/4 hours = 35
She can complete no. of problems in 1 hour :
⇒
⇒
⇒
Thus She can complete 12.72≈13 problems in one hour.
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M∠X = 54.3°.
Using the Law of Sines, we have:
Cross multiplying gives us
61(sin 34) = 42(sin X)
Divide both sides by 42:
(61(sin 34))/42 = (42(sin X))/42
(61(sin 34))/42 = sin X
Take the inverse sine of both sides:
sin⁻¹((61(sin 34))/42) = sin⁻¹(sin X)
54.3 = X
Using the Law of Sines, we have:
Cross multiplying gives us
61(sin 34) = 42(sin X)
Divide both sides by 42:
(61(sin 34))/42 = (42(sin X))/42
(61(sin 34))/42 = sin X
Take the inverse sine of both sides:
sin⁻¹((61(sin 34))/42) = sin⁻¹(sin X)
54.3 = X