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evablogger [386]
1 year ago
8

A city has 5 cm of snow on the ground before a snow storm. During the storm, the amount of snow on the ground increases by 2 cm

an hour.
Which table shows a smaller rate of change than the one described?

Mathematics
1 answer:
Lorico [155]1 year ago
5 0
Answer: D
Explain: The one described was B, but the one that changes LESS is D
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Use Euler's formula to derive the identity. (Note that if a, b, c, d are real numbers, a + bi = c + di means that a = c and b =
storchak [24]

Answer with Step-by-step explanation:

We have to prove that

sin 2\theta=2sin\theta cos\theta by using Euler's formula

Euler's formula :e^{i\theta}=cos\theta+isin\theta

e^{i(2\theta)}=(e^{i\theta})^2

By using Euler's identity, we get

cos2\theta+isin2\theta=(cos\theta+isin\theta)^2

cos2\theta+isin2\theta=(cos^2\theta-sin^2\theta+2isin\theta cos\theta)

(a+b)^2=a^2+b^2+2ab, i^2=-1

cos2\theta+isin2\theta=cos2\theta+i(2sin\theta cos\theta)

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Comparing imaginary part on both sides

Then, we get

sin2\theta=2sin\theta cos\theta

Hence, proved.

8 0
2 years ago
The random variable X is exponentially distributed, where X represents the waiting time to see a shooting star during a meteor s
faltersainse [42]

Answer:

The parameters of the exponential distribution is 0.0133.

Step-by-step explanation:

Exponential distribution is a continuous probability distribution.

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f _{X}(x)=\theta \cdot e^{-\theta\cdot x},\ x\geq 0

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Compute the parameters of the exponential distribution as follows:

\theta=\frac{1}{\mu}\\\\

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Thus, the parameters of the exponential distribution is 0.0133.

3 0
1 year ago
What’s 4x4x2-4 in a fraction over 2
JulijaS [17]

Answer:

it should be 12/2 or 6 i believe

Step-by-step explanation:

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ycow [4]

Step-by-step explanation:

P(t) = 12,000 (2)^(-t/15)

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ln(0.75) = (-t/15) ln(2)

-15 ln(0.75) / ln(2) = t

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5 0
1 year ago
The cross section of rectangular prism A measures 3 units by 2 units. The cross section of triangular prism B has a base that me
mamaluj [8]

Answer:

Volume A= one third

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