Raymond's Department Store sells dress shirts for $14.99. The cost to produce one dress shirt is $9.99 plus a one-time fee of $9
0.00.
y = 9.99x + 90.00
y = 14.99x
At what point would the revenue be equal to the cost of producing the dress shirts? Find out the solution point of the systems of equations. Round all values to the nearest whole number.
Worth 25 points!!
y = 9.99x + 90.00
y = 14.99x
At what point would the revenue be equal to the cost of producing the dress shirts? Find out the solution point of the systems of equations. Round all values to the nearest whole number.
Worth 25 points!!
2 answers:
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Answer:
The probability that the maximum speed is at most 49 km/h is 0.8340.
Step-by-step explanation:
Let the random variable<em> </em><em>X</em> be defined as the maximum speed of a moped.
The random variable <em>X</em> is Normally distributed with mean, <em>μ</em> = 46.8 km/h and standard deviation, <em>σ</em> = 1.75 km/h.
To compute the probability of a Normally distributed random variable we first need to convert the raw score of the random variable to a standardized or <em>z</em>-score.
The formula to convert <em>X</em> into <em>z</em>-score is:
Compute the probability that the maximum speed is at most 49 km/h as follows:
Apply continuity correction:
P (X ≤ 49) = P (X < 49 - 0.50)
= P (X < 48.50)
*Use a <em>z</em>-table for the probability.
Thus, the probability that the maximum speed is at most 49 km/h is 0.8340.
Answer:
Rayshawn originally had $30.
Step-by-step explanation:
i) Rayshawn has a certain amount of money. Let us say this amount is $x.
ii) Rayshawn spends $20 which means that he is left with $(x - 20)
iii) it is also given that amount of money left after spending $20 is of the original amount, $x, the amount remaining is
.
iv) from the information given in ii) and iii) we get
$(x - 20) = , Therefore we get 3x - 60 = x , therefore 2x = 60,
Therefore x = $30. Rayshawn originally had $30.
Answer:
Step-by-step explanation:
well, by using definition of tan of an angle
let the distance between Earth and shooting star is .
since ,
then