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boyakko [2]
3 years ago
5

Which of the following describes a geometric sequence? A. a sequence in which the terms are not related in any way B. a sequence

in which terms are given by multiplying the previous term by a common ratio C. a sequence in which terms are given by adding the previous term to a common ratio D. a sequence in which terms are given by subtracting the previous term from a common ratio
Mathematics
1 answer:
myrzilka [38]3 years ago
5 0
C the answer should be C
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12 1 1 point If s = 12, what is 10s ?​
natta225 [31]
10•12= 120
so 120 is your answer
5 0
4 years ago
Find the maximum and minimum values of the function f(x,y)=2x2+3y2−4x−5 on the domain x2+y2≤100. The maximum value of f(x,y) is:
ryzh [129]

First find the critical points of <em>f</em> :

f(x,y)=2x^2+3y^2-4x-5=2(x-1)^2+3y^2-7

\dfrac{\partial f}{\partial x}=2(x-1)=0\implies x=1

\dfrac{\partial f}{\partial y}=6y=0\implies y=0

so the point (1, 0) is the only critical point, at which we have

f(1,0)=-7

Next check for critical points along the boundary, which can be found by converting to polar coordinates:

f(x,y)=f(10\cos t,10\sin t)=g(t)=295-40\cos t-100\cos^2t

Find the critical points of <em>g</em> :

\dfrac{\mathrm dg}{\mathrm dt}=40\sin t+200\sin t\cos t=40\sin t(1+5\cos t)=0

\implies\sin t=0\text{ OR }1+5\cos t=0

\implies t=n\pi\text{ OR }t=\cos^{-1}\left(-\dfrac15\right)+2n\pi\text{ OR }t=-\cos^{-1}\left(-\dfrac15\right)+2n\pi

where <em>n</em> is any integer. We get 4 critical points in the interval [0, 2π) at

t=0\implies f(10,0)=155

t=\cos^{-1}\left(-\dfrac15\right)\implies f(-2,4\sqrt6)=299

t=\pi\implies f(-10,0)=235

t=2\pi-\cos^{-1}\left(-\dfrac15\right)\implies f(-2,-4\sqrt6)=299

So <em>f</em> has a minimum of -7 and a maximum of 299.

4 0
3 years ago
Determine whether 306 is divisible by 2, 3,4,or 6
aleksklad [387]
306/6 = 51  [it <u><em>is</em></u> divisible]
306/4 = 76.5  [it <u><em>is</em></u> divisible, but not equally divisible since there is a remainder]
306/3 = 102  [it <u><em>is</em></u> divisible]
306/2 = 153  [it <u><em>is</em></u> divisible]




3 0
4 years ago
Read 2 more answers
Which set of ordered pairs represents y as a function of x?
liq [111]

Answer:

{(2,-1), (4, -2), (6, -3), (8, -4)}

Step-by-step explanation:

The other ordered pairs have a common domain value which means they are not a function.

For example:

{(5,7), (5,8), (10,3)} would not be a function because the 5 is repeating

However

{(2,6), (4,6), (22,7)} would be function because there are no numbers in the x part of the ordered pair that repeat. (x,y)

I hope you can see the pattern now

4 0
3 years ago
How can you use mental math to find the percent of a number?
olga_2 [115]
Every percent of that number is 1/100 of that number 
Example 30, 1/100 of 30 is .30
Example 100, 1/100 of 100 is 1
Example 52, 1/100 of 52 is .52
3 0
3 years ago
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