2 years ago

Determine what type of model best fits the given situation:

Mathematics

1 answer:

marusya05 [52]2 years ago

6 0

I believe it is linear. Since it has a constant of +3 everyday.

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Consider the system of equations. y = 3x + 2 y = − 2 3 x − 4 Explain why these particular equations can be graphed immediately.

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It’s because you already have the y-intercepts and the slope for both equations so graphing would be simple.

i hope this helps <3

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2 years ago

Read 2 more answers

14.12 To determine whether training in a series of workshops on creative thinking increases IQ scores, a total of 70 students ar

pentagon [3]

Answer:

reject H₀ , {0.8262, 3.1738} at 99% C I

Step-by-step explanation:

$H_0: \mu_1 = \mu_2\\H_1: \mu _1 > \mu _2\\$

critical value, $\alpha = 0.01$

degree of freedom: 35 - 1 = 34

critical value: 2.441

from the expression

$t = \frac{(x _1-x_2) - 0}{\sqrt{\frac{\sigma^{2}_x }{n_1} +\frac{\sigma^{2}_x }{n_2} } }$

$t = \frac{(110-108) - 0}{\sqrt{\frac{1.8^{2} }{35} +\frac{1.8^{2}}{35} } }$

t = 4.648 > 2.441

H₀ is rejected because t > critical value

(b)

in the second scenario

$I: (x_1 - x_2) +/- t\sqrt{\frac{\sigma^{2}_x }{n_1} +\frac{\sigma^{2}_x }{n_2}$

1 - 0.99 = 0.01

$\frac{\alpha }{2} = \frac{0.01}{2}= 0.005$

degree of freedom = 34

t = 2.728

substituting in the above formula

we have

$I: (110 - 108) +/- 2.728\sqrt{\frac{1.80^{2}}{35} +\frac{1.8^{2}}{35}}$

$I: 2 +/- 1.1738$

$I:[0.8262, 3.1738]$

we can see the difference of the means is between 0.8262 and 3.1738 at 99% confidence

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2 years ago

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andre [41]

Answer:

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Step-by-step explanation:

There are 3 feet in 1 yard, so 36 feet in 12 yards. The remaining ribbon will be the original amount less the amount used.

36 - 22 = 14 . . . . feet remaining

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2 years ago

A 3-d printer was purchased for $20,000 and had a value of $12,000 after 2 years of use. assuming that the value is decreasing e

Mice21 [21]

I think it is $13.33 dollars

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2 years ago

Suma a 10 numere naturale nenule pare este 108.aratati ca doua dintre numere sunt egale

Elenna [48]

Your answer that you are looking for is 108.

5 0

2 years ago