Find the nth term of 6,9,12,15?

Answers

Answer 1

Answer: a=6d=9-6=3nth term = a+(n-1)×d=6+(n-1)×3=6+3n-3=3+3n

Answer 2

Answer: the answer is 27 and your welcome

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What is 70/x = 15/21?

Answers

Answer:

Step-by-step explanation:

cross multiply

70×21÷15

1470/15=98

Which equation has both 4 and -4 as possible values of y? a. y3 = 64
b. y2 = 8
c. y3 = 8
d. y2 = 16

Answers

A) y3 = 64 is $y = (64)/(3)$
B) y2 = 8 is y = 4
C) y3 = 8 is y = $(8)/(3)$
D) y2 = 16 is y = 8

A certain species of tree grows an average of 0.5 cm per week. Write an equation for the sequence that represents the weekly height of this tree in centimeters if the measurements begin when the tree is 800 centimeters tall.

Answers

You would turn this into a function f(x). So the constant rate (or slope) is 0.5, so you start off with f(x)=0.5x. But you know that it starts at 8000, which is your intercept. So your final result is
F(x)= 0.5x +8000

A polynomial function has roots –5 and 1. Which of the following could represent this function?