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iragen [17]
3 years ago
7

5-2x=15

="absmiddle" class="latex-formula">
Mathematics
1 answer:
padilas [110]3 years ago
6 0
<span>5-2x=15

</span>5-2x=15 \\  \\ -2x= 15-5  \\  \\ -2x= 10 \\  \\ x=  \dfrac{10}{-2} \to  \boxed{x= -5}<span>
</span>
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Please help me. I need help thank you.
STatiana [176]

Answer:

C.

Step-by-step explanation:

the ratio is 1:2

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borishaifa [10]

Answer:

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3 years ago
A California water company has determined that the average customer billing is $1,250 per year and the amounts billed have an ex
Tcecarenko [31]

Answer:

a)

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Step-by-step explanation:

From the given information:

a.)

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\lambda = \dfrac{1}{1250}

Let consider X to be a random variable that follows an exponential distribution; then:

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c.)

P(X > 1250) = 1  - \bigg [ 1 - e ^{- \dfrac{1250}{1250}}  \bigg]

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P(X > 1250) =0.3679

7 0
3 years ago
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