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Sunny_sXe [5.5K]
3 years ago
5

On average, a very selective college admits 9 out of every 100 applicants. An admissions officer is reviewing a pile of 200 stud

ents' applications, and admits the first 17 students.
What are the chances that she will admit the 18th student?


100%
9%
17%
0%
Mathematics
2 answers:
Alla [95]3 years ago
8 0
0% when rounded it is more like 0.54%
9 out of every 100 gives you 18 out of 200 if you take out the 17 that are already chosen that leaves 183 applications and 1 spot left 1/183 = 0.5% but the closest value is 0% for the answer choices.

navik [9.2K]3 years ago
6 0

Answer:

Mr. Ramon was wrong

Step-by-step explanation:

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Find a degree 3 polynomial with real coefficients having zeros 4 and 2i and a lead coefficient of 1. Write P
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Answer:

x^2 - 2xi - 4x +8i

Step-by-step explanation:

(x -4) (x -2i) (x+2i)

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A rectangle has a width, w, equal to 6 less than the length, l. Which expressions represent ways to find the perimeter of the re
Irina-Kira [14]

Answer:

4L-12

Step-by-step explanation:

let's assume the length = L

then the width of the rectangle is L - 6

perimeter = 2× (a+b)

where "a" and "b" are the length and the width of the rectangle.

so perimeter = 2× (L + L - 6)

2 × ( 2L - 6)

4L - 12

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3 years ago
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eimsori [14]
The correct answer is A. Grade 7
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3 years ago
Plz help I don't understand this question.
ladessa [460]
<h3>Answer:  12</h3>

===========================================================

Explanation:

  • j = number of jerseys ordered
  • c = total cost in dollars

For company X, the equation is c = 10j + 115 where the 10j is the cost of buying all the jerseys (j of them). Then we tack on the flat fee of $115

The equation for company Y is c = 20j for similar reasoning as the previous company, but now each jersey costs $20. We don't add on anything else because there isn't an extra flat fee.

----------------

We have this system

\begin{cases}c = 10j+115\\c = 20j\end{cases}

which are the equations for company X and company Y in that order.

Both equations have 'c' on the left side. So we can equate the right hand sides and solve for j

20j = 10j+115

20j-10j = 115

10j = 115

j = 115/10

j = 11.50

Recall that j is the number of jerseys. It's not possible to order half a jersey, so we have to round to the nearest whole number. The question is: which way? We're right at the midpoint between j = 11 and j = 12. Let's check both values of j to see what the costs are for each company.

  • j = 11 for company X leads to c = 10j+115 = 10*11+115 = 225
  • j = 11 for company Y leads to c = 20j = 20*11 = 220

Company Y is the cheaper option if you bought 11 jerseys. But we want to know when company X is the better deal. Let's try j = 12

  • j = 12 for company X leads to c = 10j+115 = 10*12+115 = 235
  • j = 12 for company Y leads to c = 20j = 20*12 = 240

This time company X is the winner in terms of the best deal (aka cheapest cost). If j gets any bigger, then company X is still the winner. So we can see that the minimum order must be 12 jerseys if we want company X to be the cheapest option.

6 0
3 years ago
What is the value of b when the expression 14.1x+b is equivalent to 4.7(3x-3.5)
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Equivalent means they are equal.

14.1x+b = 4.7(3x-3.5)

Solve for b. First subtract 15.1x to both sides.

b = 4.7(3x-3.5) - 14.1x

You can simplify by distributing the 4.7 and combining like terms.

b = 14.1x - 16.45 - 14.1x

The positive and negative 14.1x cancel each other out.

b = -16.45
4 0
3 years ago
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