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Setler79 [48]
2 years ago
13

What is -2k + (-4k) + 5

Mathematics
2 answers:
zavuch27 [327]2 years ago
8 0
If you want it simplified -6k+5, if you need the answer lmk
NemiM [27]2 years ago
3 0
I believe it is -6 or if your evaluating it it’s 5-6k I think
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Which letter represents (-2,3)?
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N represents (-2,3)

Step-by-step explanation:

x axis of N = -2

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3 years ago
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Approximately 85% of persons age 70 to 84 live in their own household and are income-qualified for home purchases.
miv72 [106K]

Answer:

The probability that exactly two of the four live in their own household and are income-qualified is  = .0975

Step-by-step explanation:

Given -

Approximately 85% of persons age 70 to 84 live in their own household and are income-qualified for home purchases.

Probability of sucess ( p ) = 85% =.85

Probability of failure ( q ) = 1 - .85 =.15

n = 4

From combination of n events taking r sucess we use binomial distribution

P(X = r) = \binom{n}{r}p^{r}q^{n-r}

where , r = 2

the probability that exactly two of the four live in their own household and are income-qualified is =

P(X = 2) = \binom{4}{2}0.85^{2}0.15^{4 - 2}

                = \frac{4!}{(2!)(2!)} \times 0.7225  \times .0225

                 = 6 \times 0.7225  \times .0225

                 = .0975

4 0
3 years ago
A hot air balloon holds 4,328 cubic meters of helium. The density of helium is 0.1785 kilograms per cubic meter. How many kilogr
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Step-by-step explanation: That's what I got and I'm 100% sure that's the answer

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9514 1404 393

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  CPCTC

Step-by-step explanation:

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The reason shown in your problem statement is applicable only within one triangle. The segments of interest are in two different triangles.

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The common ratio in the geometric sequences 2
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