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3 years ago

What is the explicit formula for this sequence? -9, -3, 3, 9, 15, ...

Mathematics

1 answer:

jok3333 [9.3K]3 years ago

8 0

Answer:

What is the explicit formula for this sequence? -9, -3, 3, 9, 15, ... - did not match any news results.

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Please help!!!!!!!!!

zhuklara [117]

Answer:

option d -1 is the answer

7 0

2 years ago

Read 2 more answers

Recall the equation for a circle with center (h,k) and radius r. At what point in the first quadrant does the line with equation

IgorC [24]

Answer:

At intersection

x=2.68

y=5.34

Step-by-step explanation:

Equation of circle with center (h,k) and radius r is

$(x-h)^{2}+(y-k)^{2}=r^2\\\\With\,\, center\,\,(0,4)\,\, and\,\, r=3\\\\(x-0)^{2}+(y-4)^{2}=3^2\\\\x^2+(y-4)^{2}=9---(1)\\\\Equation\,\,of intersecting\,\,line\\y=0.5x+4---(2)$

To find point of intersection:

From (2)

$x=\frac{y-4}{0.5}=2(y-4)\\\\x^2=4(y-4)^{2}\\\\Put\,\,in\,\,(1)\\\\4(y-4)^{2}+(y-4)^{2}=9\\\\5(y-4)^{2}=9\\\\y-4=\frac{3}{\sqrt{5}}\\\\y=1.34+4\\\\y=5.34\\\\x=2(5.34-4)\\\\x=2(0.34)\\\\x=2.68$

At intersection

x=2.68

y=5.34

This point of intersection can be checked in graph attached below

3 0

3 years ago

=,>,<? 3.20 and 3.02

tekilochka [14]

3.20 > 3.02 (3.20 is greater then 3.02)

8 0

3 years ago

(x2 + 1) dy /dx + 3x(y − 1) = 0, y(0) = 3 how do i go about solving this mess

monitta

Consider, pls, this option.

7 0

3 years ago

What is the value of f(x)=1/2x+5 when x=4?

Soloha48 [4]

Answer:

f=7/4

Step-by-step explanation:

substitute x for 4 and do the equation you will get the equation f(4)=1/2(4)+5 simplify to the equation to 4f=2+5. Then do the addition and get 4f=7. Divide both sides by 4 and get f=7/4

6 0

3 years ago