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3 years ago

Help solve the above equation

Mathematics

1 answer:

elena-s [515]3 years ago

5 0

I hope this helps you

-2x+3=x+36

3x= -33

x= -11

y= -2. (-11)+3

y= 22+3

y=25

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(6x2 - 2x) + (5x-7)

Black_prince [1.1K]

Answer:

D. 6x2 + 3x - 7

Step-by-step explanation:

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2 years ago

A local animal rescue organization receives an average of 0.55 rescue calls per hour. Use the Poisson distribution to find the p

andreyandreev [35.5K]

Answer:

B) 0.894

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

In which

x is the number of sucesses

e = 2.71828 is the Euler number

$\mu$ is the mean in the given interval.

A local animal rescue organization receives an average of 0.55 rescue calls per hour.

This means that $\mu = 0.55$

Probability that during a randomly selected hour, the organization will receive fewer than two calls.

$P(X < 2) = P(X = 0) + P(X = 1)$

In which

$P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}$

$P(X = 0) = \frac{e^{-0.55}*(0.55)^{0}}{(0)!} = 0.577$

$P(X = 1) = \frac{e^{-0.55}*(0.55)^{1}}{(1)!} = 0.317$

$P(X < 2) = P(X = 0) + P(X = 1) = 0.577 + 0.317 = 0.894$

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3 years ago

If there are 30 adults at a party and 21 kids at a party what is the fraction of adults at the party

Arisa [49]

Answer:

i think its 70 percent maybe

3 0

3 years ago

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What value is needed to complete the square? Show all steps. <br> x^2 - 2x +__

Sunny_sXe [5.5K]

In completing the square method, considering the equation X^2 - 2x + the number to be added should be<u> 1 </u>to make it a perfect square

<h3>How to know term that should added</h3>

The standard quadratic equation is of the form

ax^2 + bx + c

The completing the square method is one of the methods of solving quadratic equations

The factor to be added to the equation while using the completing the square method is of the formula

(b / 2a)^2

compared to the equation in the problem X^2 - 2x +

= (b / 2a)^2

= (2 / 2)^2

= (1)^2

= 1

Learn more on quadratic equations here:

brainly.com/question/29227857

#SPJ1

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1 year ago

Gas prices in shelby county are at $3.00 per gallon. if a market scientist predicts a 40% increase in the price of gas in the co

aleksley [76]

Answer-

<em>The price of gas will be</em><em> $4.2</em>

Solution-

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Market scientist predicts a 40% increase in the price of gas in the coming month.

So the new price will be,

$=3+(3\times \dfrac{40}{100})$

$=3+(3\times 0.4)$

$=3+1.2$

$=4.2$

Therefore, the price of gas will be $4.2

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3 years ago

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