How much water is needed to prepare lemonade using 134 pints of frozen lemonade and a water to lemonade ratio of 4 to 1?
2 answers:
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Answer:
See the attached figure which represents the problem.
As shown, AA₁ and BB₁ are the altitudes in acute △ABC.
△AA₁C is a right triangle at A₁
So, Cos x = adjacent/hypotenuse = A₁C/AC ⇒(1)
△BB₁C is a right triangle at B₁
So, Cos x = adjacent/hypotenuse = B₁C/BC ⇒(2)
From (1) and (2)
∴ A₁C/AC = B₁C/BC
using scissors method
∴ A₁C · BC = B₁C · AC
Answer: B. 0.25, 3.75, 5.2
Step-by-step explanation:
Since, the given sequence,
And,
On substituting n=5 in the given recursive formula,
We get,
For, n=4
For, n=3
For, n=2
Thus, First second and third terms are,
,
and
.