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notka56 [123]
3 years ago
9

Each year, roughly `10^{6\ }`computer programmers each make about $`10^{5}`. How much money is this all together? Express your a

nswer both as a power of 10 and as a dollar amount.
Mathematics
1 answer:
mina [271]3 years ago
3 0

Answer:

69

Step-by-step explanation:

69e420+60532598423534543

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Let X and Y be joint continuous random variables with joint density function fpx, yq " # e ´y y 0 ă x ă y, 0 ă y ă 8 0 otherwise
Assoli18 [71]

Answer:

For X, the parameter

is λX = 1/2 and for Y it is λY = 1. Using the formula sheet, Mean is

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6 0
3 years ago
For what values of θ on the polar curve r=θ, with 0≤θ≤2π , are the tangent lines horizontal? Vertical?
Bond [772]
Given that r=\theta, then r'=1

The slope of a tangent line in the polar coordinate is given by:

m= \frac{r'\sin\theta+r\cos\theta}{r'\cos\theta-r\sin\theta}

Thus, we have:

m= \frac{\sin\theta+\theta\cos\theta}{\cos\theta-\theta\sin\theta}



Part A:

For horizontal tangent lines, m = 0.

Thus, we have:

\sin\theta+\theta\cos\theta=0 \\  \\ \theta\cos\theta=-\sin\theta \\  \\ \theta=- \frac{\sin\theta}{\cos\theta} =-\tan\theta

Therefore, the <span>values of θ on the polar curve r = θ, with 0 ≤ θ ≤ 2π, such that the tangent lines are horizontal are:

</span><span>θ = 0

</span>θ = <span>2.02875783811043
</span>
θ = <span>4.91318043943488



Part B:

For vertical tangent lines, \frac{1}{m} =0

Thus, we have:

\cos\theta-\theta\sin\theta=0 \\  \\ \Rightarrow\theta\sin\theta=\cos\theta \\  \\ \Rightarrow\theta= \frac{\cos\theta}{\sin\theta} =\sec\theta

</span>Therefore, the <span>values of θ on the polar curve r = θ, with 0 ≤ θ ≤ 2π, such that the tangent lines are vertical are:

</span>θ = <span>4.91718592528713</span>
3 0
3 years ago
MEDAL!!!!! Which of the following correctly identifies the set of outputs?
kramer
I think its a. but i could be wrong
5 0
3 years ago
Read 2 more answers
90.125 in expanded form
Alecsey [184]

Answer:

90 + 0.1 + 0.02 + 0.005

Step-by-step explanation:

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3 years ago
1. The symbols 0, 1, 2, and so on are called:
stich3 [128]

Answer:

b

Step-by-step explanation:

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3 years ago
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