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asambeis [7]
3 years ago
7

Which of the following is the best estimate for the total change in distance from the group of​ students' original position at t

he​ surface? Round to the nearest ten.

Mathematics
1 answer:
ahrayia [7]3 years ago
4 0

Answer:

- 20 feet

Step-by-step explanation:

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Find a function where f(0)=2 and f(1)=2
xenn [34]

Answer:

Do you want to be extremely boring?

Since the value is 2 at both 0 and 1, why not make it so the value is 2 everywhere else?

f(x) = 2 is a valid solution.

Want something more fun? Why not a parabola? f(x)= ax^2+bx+c.

At this point you have three parameters to play with, and from the fact that f(0)=2 we can already fix one of them, in particular c=2. At this point I would recommend picking an easy value for one of the two, let's say a= 1 (or even a=-1, it will just flip everything upside down) and find out b accordingly:f(1)=2 \rightarrow 1^2+b+2=2 \rightarrow b=-1

Our function becomes

f(x) = x^2-x+2

Notice that it works even by switching sign in the first two terms: f(x) = -x^2+x+2

Want something even more creative? Try playing with a cosine tweaking it's amplitude and frequency so that it's period goes to 1 and it's amplitude gets to 2: f(x) = A cos (kx)

Since cosine is bound between -1 and 1, in order to reach the maximum at 2 we need A= 2, and at that point the first condition is guaranteed; using the second to find k we get 2= 2 cos (k1) = cos k = 1 \rightarrow k = 2\pi

f(x) = 2cos(2\pi x)

Or how about a sine wave that oscillates around 2? with a similar reasoning you get

f(x)= 2+sin(2\pi x)

Sky is the limit.

8 0
2 years ago
8. If3:8=c:56, the value of c will be
adelina 88 [10]

The scale for the second values is 56/8 = 7

C = 3 x 7 = 21

C= 21

6 0
3 years ago
Write the equation of the line in standard form <br><br> 4xy + 2y = 9
padilas [110]

Answer: I think the answer is the same thing I can’t show a Step-by-step explanation because Math-way requires a premium to show a step-by-step explanation, anyway the answer is 4xy + 2y = 9, I’m sorry about that. :(

Step-by-step explanation: Well anyway, The standard form of a linear equation is Ax+By=C.

6 0
3 years ago
Write an equation for the line that passes through (1, 4) and (0, 8)
inn [45]
The way i did that in middle school was plot the points then find the slpoe and work it out from there
3 0
3 years ago
Read 2 more answers
Write the equation in slope-intercept form that contains the following two points.
viva [34]

Answer:

y = -3/2 x +5

Step-by-step explanation:

slope = (y2-y1)/(x2-x1)

m= (8--1)/(-2-4)

m= (8+1)/(-2-4)

m= (9/-6)

m=-3/2


point slope form

y-y1=m(x-x1)

y--1 = -3/2(x-4)

distribute

y+1 = -3/2x +3/2 *4

y+1 = -3/2x + 6

subtract 1 from each side

y = -3/2 x +6-1

y = -3/2 x +5

this is in slope intercept form (y=mx+b)

6 0
3 years ago
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