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3 years ago

How to describe a trend in a graph

Mathematics

2 answers:

ohaa [14]3 years ago

5 0

Any low points big changes or no change

bezimeni [28]3 years ago

4 0

A pattern of gradual change<span> in a condition, output, or process, or an average or general </span>tendency<span> of a series of data points to move in a certain direction over time, represented by a line or curve on a graph.</span>

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A quantity P is an exponential function of time I, such that P = 160 when t = 6 and P = 150 when I = 4. Use the given informatio

Klio2033 [76]

Answer:

k = 0.032
P0 = 131.836

Step-by-step explanation:

Perhaps you want to use the points (t, P) = (4, 150) and (6, 160) to find the parameters P0 and k in the equation ...

$P(t)=P_0\cdot e^{kt}$

We know from the given points that we can write the equation as ...

$P(t)=150\left(\dfrac{160}{150}\right)^{(t-4)/(6-4)}=150\left(\dfrac{16}{15}\right)^{\frac{t}{2}-2}\\\\=150\left(\dfrac{16}{15}\right)^{-2}\times\left(\left(\dfrac{16}{15}\right)^{\frac{1}{2}}\right)^t$

Comparing this to the desired form, we see that ...

$P_0=150\left(\dfrac{16}{15}\right)^{-2}\approx 131.836\\\\e^{k}=\left(\dfrac{16}{15}\right)^{1/2}\rightarrow k=\dfrac{1}{2}(\ln{16}-\ln{15})\approx 0.0322693$

So, the approximate equation for P is ...

$P(t)=131.836\cdote^{0.032t}$

And the parameters of interest are ...

k = 0.032
P0 = 131.836

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3 years ago

Tina and maryann each play tennis. Maryann has won 5 more games than Tina. Is it possible for tina to have won games if the sum

Soloha48 [4]

Answer:

Tina won 5 games more than maryann, and the sum of their games is 29.. 29-5/2= 12

Maryann won 12 games while Tina won 12+5= 17 games.

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3 years ago

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If it cost me 375.00 to stay in a hotel for 3 days. How much it cost for one day.

marusya05 [52]

Answer:

125

Step-by-step explanation:

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3 years ago

Find the point where the line crosses the x-axis. y = –5x + 5

Ronch [10]

Every point on the x-axis has y-coordinate 0.
Let y = 0, and solve for x.

y = -5x + 5

0 = -5x + 5

5x = 5

x = 1

The line crosses the x-axis at x = 1.

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3 years ago

What is the least common denominator for 2/5 + 3/7

-BARSIC- [3]

Answer:

Step-by-step explanation:

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3 years ago

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