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jok3333 [9.3K]
2 years ago
12

What is the exponential regression equation to best fit the data?Round each value in your equation to two decimal places. Enter

answer in the box
x y
0 2
1 5
2 12
3 40
4 76
5 193

Mathematics
2 answers:
Nikitich [7]2 years ago
7 0
2.04(2.51)^x   
if you still need the answer that should be it, i just took the test and it told me that was the answer
Nitella [24]2 years ago
3 0

Answer:

y=2.04 \cdot (2.51)^x

Step-by-step explanation:

An exponential regression equation is given by:

y = ab^x

where,

a is the initial amount and b is the growth factor.

As per the statement:

Given the table:

x           y

0          2  

1           5

2          12

3          40

4          76

5           19

Now, enter the values for x into one list and the values for y into the second list.  

Now, graph the scatter plot as shown below in the attachment.

we get the equation of exponent:

y = 2.035e^{0.9204x}

⇒y = 2.035 \cdot (e^{0.9204})^x \approx 2.04 \cdot (2.51)^x

Therefore, the exponential regression equation to best fit the data to two decimal places is, y=2.04 \cdot (2.51)^x

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Write an equation for an ellipse centered at the origin, which has foci at (0,\pm\sqrt{63})(0,± 63 ​ )left parenthesis, 0, comma
steposvetlana [31]

Answer:

\frac{x^{2} }{4312 } + \frac{y^{2} }{8281 }

Step-by-step explanation:

Since the foci are at(0,±c) = (0,±63) and vertices (0,±a) = (0,±91), the major axis is the y- axis. So, we have the equation in the form (with center at the origin) \frac{x^{2} }{b^{2} } + \frac{y^{2} }{a^{2} }.

We find the co-vertices b from b = ±√(a² - c²) where a = 91 and c = 63

b = ±√(a² - c²)

= ±√(91² - 63²)

= ±√(8281 - 3969)

= ±√4312

= ±14√22

So the equation is

\frac{x^{2} }{(14\sqrt{22}) ^{2} } + \frac{y^{2} }{91^{2} } = \frac{x^{2} }{4312 } + \frac{y^{2} }{8281 }

8 0
3 years ago
Which of the following quantities are inversely proportional? WILL GIVE BRAINIEST
Effectus [21]

Answer:

option 1

option 3

option 4

Step-by-step explanation:

Inversely proportional means "one quality increases, the other decreases " or "one quantity decreases ,other increases. " Inverse relantionship, that's it.

option 1:

Since the volume is given as 56 and we know the volume is area of base * height, to keep the volume at constant [56], if height increases, area of base would need to decrease, and vice versa. So Inversely proportional.

option 2:

The time spend in plowing a field with a tractor with increase when we area using more fuel.So more fuel used means more time spent. So these are directly proportional, Not inverse.

option 3:

Since the price is a constant, the amount of length we buy more,the price per one yard HAS to decrease, and vice versa. So ,this is Inverse relantionship.

option 4:

If the number of identical tractors. increase, it will take less time to plow the set 358 acre farm. And vice versa. So this is Inversely proportional as well.

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7 0
3 years ago
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melamori03 [73]

Answer:

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Step-by-step explanation:

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Which statement shows that 6.24 is a rational number?
sp2606 [1]

Answer:

B

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7 0
2 years ago
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