The width is the rectangle is w. Since the length is 25 feet larger than the width, it will be w+25

Perimeter for rectangle formula:2(L+W)

2(w+25+w)= 4w+50

6 0

4 years ago

If a1=4 and an= 3an-1 then find the value of a6.

Romashka [77]

Answer:

a₆ = 972

Step-by-step explanation:

Given a₁ = 4 and $a_{n}$ = 3 $a_{n-1}$ , then

a₂ = 3a₁ = 3 × 4 = 12

a₃ = 3a₂ = 3 × 12 = 36

a₄ = 3a₃ = 3 × 36 = 108

a₅ = 3a₄ = 3 × 108 = 324

a₆ = 3a₅ = 3 × 324 = 972

4 0

3 years ago

in 9 weeks, sonjay practiced the piano for 20 hours. At this rate, how many hours would she practice in 27 weeks?

Alex17521 [72]

Answer:

Step-by-step explanation:

5 0

3 years ago

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