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Romashka-Z-Leto [24]

3 years ago

8

Brandon works in a shoe store. His daily earnings, y, are represented by the equation y=20x+75 based on selling x pairs of shoes

. What is represented by the slope in this equations?

1 answer:

otez555 [7]3 years ago

3 0

20 is the slope because x represents the slope and since 20 is in front of the x, 20 is the answer.

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Dora goes to a store and buys a phone originally priced at $45. The store is running a discount of 18%. What is the price of the

Alenkinab [10]

Answer: 8.1 $

Step-by-step explanation: 18 percent of 45 is 8.1 ez math hope this helps.

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2 years ago

2 1/3 divided by 4/5

irina [24]

Answer: 2.91666666667

6 0

3 years ago

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What is the value of |-29|?

ki77a [65]

<span><span>Number 27283031
</span><span>Absolute Value 272830<span>31</span></span></span>

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3 years ago

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The number of typing errors made by a typist has a Poisson distribution with an average of seven errors per page. If more than s

Aleks [24]

Answer:

0.599 is the probability that a randomly selected page does not need to be retyped.

Step-by-step explanation:

We are given the following in the question:

The number of typing errors made by a typist has a Poisson distribution.

$\lambda =7$

The probability is given by:

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

We have to find the probability that a randomly selected page does not need to be retyped

P(less than or equal to 7 mistakes in a page)

$P( x \leq 7) = P(x =1) + P(x=1) +...+ P(x=6) + P(x = 7)\\\\= \displaystyle\frac{7^0 e^{-7}}{0!} + \displaystyle\frac{7^1 e^{-7}}{1!} +...+ \displaystyle\frac{7^6 e^{-7}}{6!} + \displaystyle\frac{7^7 e^{-7}}{7!} \\\\= 0.59871\approx 0.599$

Thus, 0.599 is the probability that a randomly selected page does not need to be retyped.

4 0

3 years ago

2x - 4<br> ——— =4<br> 5<br> Pls solve

Svetlanka [38]

Step-by-step explanation:

cross multiply

2x - 4 = 4 × 5

2x - 4 =20

collect like terms (CLT)

2x = 20 + 4

2x=24

divide both sides by 2

x=12

7 0

3 years ago