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valina [46]
2 years ago
5

A small town wants to compare the number of students enrolled in public and private schools. The polynomials below show the enro

llment for each: Public School: –19c2 + 980c + 48,989 Private School: 40c + 4046
Mathematics
1 answer:
Zolol [24]2 years ago
6 0

Answer:

-19c2

Step-by-step explanation:

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Suppose that 1/2 of all cars sold at a Nissan dealer in a given year are Altimas, 1/3 are Maximas, and the rest are Sentras. Sup
IRINA_888 [86]

Answer:

(1) Not conditional, 5/8

(2) Not conditional, 1/12

(3) Conditional, 1/18

Step-by-step explanation:

Fraction of cars sold

Altima = 1/2

Maxima = 1/3

Sentra = 1 - (1/2 + 1/3) = 1 - 5/6 = (6 - 5)/6 = 1/6

Fraction of cars sold with moon roof

Altima = 3/4 × 1/2 = 3/8

Maxima = 1/2 × 1/3 = 1/6

Sentra = 1/2 × 1/6 = 1/12

(1) Probability (a randomly selected car has a moon roof) = 3/8 + 1/6 + 1/12 = (9+4+2)/24 = 15/24 = 5/8

(2) Probability (a randomly selected car has a moon roof given it is Sentra) = 1/12

(3) Probability (a randomly selected car is a Maxima if it has a moon roof) = 1/3 × 1/6 = 1/18

A conditional probability uses if (as a condition) in making statements or asking questions

An unconditional probability makes statement or ask question without the use of condition (if)

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2 years ago
At Planet Fitness a black card membership costs $20
babymother [125]

Answer:

2: 90

3: 110

4. 130

5. 150

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Step-by-step explanation:

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3 years ago
Explain why it is usually only necessary to test one point when graphing an inequality
Mars2501 [29]
Because if that point is true than everything on that side of the number line is true. Visa versa.
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Which pairs of triangles appear to be congruent? Check all that apply.
Anettt [7]

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1 3 ...................rotate 3 and it is the same as 1

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i got my answer for using ratios

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3 years ago
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