Auston's office is 360 square feet. Calculate the area of his office in square yards.
2 answers:
Answer: D) 40 square yards
Step-by-step explanation:
We know that 1 yard = 3 feet
Given that Area of Austin's office = 360 square feet
To find the area of his office in square yards, we need to divide the given area by square of 3.
We know that square of 3=
Thus, the area of his office in square yards=
Hence, the area of his office in square yards=
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The explicit formula is a(n) = 15(n – 10)
<u>Solution:</u>
Given, a term a(19) = 135 and common difference d = 15
We have to find the explicit formula.
Now, we know that, a(n) = a + (n – 1)d where a(n) is nth term, a is first term, d is common difference,
So, for a(19)
Now, we know that, an explicit formula is an expression for finding the nth term,
So, in our problem, expression for finding nth term is a + (n – 1)d
Hence, the explicit formula is a(n) = 15(n – 10).