A right triangle has a hypotenuse of 30 inches and one leg that measures 24 inches. What is the length of the third side?
1 answer:
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Answer:
Step-by-step explanation:
x+2
degree is 1
and has two terms so is a binomial
Answer:
<h2> aₙ = 7n - 10</h2>Step-by-step explanation:
The nth term:
So:
a₄ = a₁ + 3d
18 = a₁ + 3d ⇒ 3d = 18 - a₁
a₇ = a₁ + 6d
39 = a₁ + 6d
39 = a₁ + 2(18 - a₁)
39 = a₁ + 36 - 2a₁
39 = 36 - a₁
a₁ = -3
3d = 18 - (-3)
3d = 21
d = 7
So the nth term: