2 years ago

Parallel lines, transversals

Mathematics

1 answer:

swat322 years ago

5 0

The answer is what ever the answer is 28,394

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Catarina is buying supplies for a party. She plans to spend at least $100 on food and at least $50 on party favors. She can spen

harkovskaia [24]

Answer:

food $\geq$ 100

favors $\geq$ 50

total $\leq$ 250

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2 years ago

The number of accidents that occur at a busy intersection is Poisson distributed with a mean of 4.5 per week. Find the probabili

Mariana [72]

Answer:

a) 0.01111

b) 0.4679

c) 0.33747

Step-by-step explanation:

We are given the following in the question:

The number of accidents per week can be treated as a Poisson distribution.

Mean number of accidents per week = 4.5

$\lambda= 4.5$

Formula:

$P(X =k) = \displaystyle\frac{\lambda^k e^{-\lambda}}{k!}\\\\ \lambda \text{ is the mean of the distribution}$

a) No accidents occur in one week.

$P(x =0)\\\\= \displaystyle\frac{4.5^0 e^{-4.5}}{0!}= 0.01111$

b) 5 or more accidents occur in a week.

$P( x \geq 5) = 1-\displaystyle \sum P(x$

c) One accident occurs today.

The mean number of accidents per day is given by

$\lambda = \dfrac{4.5}{7} = 0.64$

$P(x =1)\\\\= \displaystyle\frac{0.64^1 e^{-0.64}}{1!}= 0.33747$

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2 years ago

What is the weight of a glider with a mass of 5.7 grams? Hint: watch your units!

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Answer:0.0057

Step-by-step explanation:

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2 years ago

If the equation y = x + 3 is changed to y = x + 6, how will

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Answer:

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Step-by-step explanation:

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2 years ago

Solve 3y^{2} - (y + 2) (y - 2)

hram777 [196]

Answer:

3y^2 - (y + 2) (y - 2) = 0

<=> 3y^2 - (y^2 - 4) = 0

<=> 2y^2 + 4 =0

<=>y^2 + 2 = 0

=> Because y^2 is always equal or larger than 0, there is no real solution.

Hope this helps!

8 0

3 years ago

Read 2 more answers