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brilliants [131]
3 years ago
10

Factor the following polynomial completely. 0.3x^2-3x+7.2

Mathematics
1 answer:
marin [14]3 years ago
6 0
0.3x^2-3x+7.2=0.3(x^2-10+24)=0.3(x-4)(x-6)
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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)

5 0
3 years ago
PLEASE HELP<br> IM STUCK
viktelen [127]

Answer:

y=-1/4x-6

It crosses the y axis at -6 and has a slope of 1/4

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3 years ago
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Raul calculated that he would spend $125 on school supplies this year. He actually spent $87.50 on school supplies. What is Raul
dybincka [34]

Answer:

C 30%

Step-by-step explanation:

87.50/125= 0.70

1-0.7-0.3

3 0
2 years ago
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What are the next 3 numbers in the number sequence?
PSYCHO15rus [73]

Answer:

B

Step-by-step explanation:

31-23=8

41-31=10

53-41=12

So next number should be 53+14, that is 67.

Follow the rule:

67+16=83

83+18=101

3 0
2 years ago
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The swimming pool is opening hours a day the pool manager must divide pool time equally among five groups camp; camp swim team,
ale4655 [162]

Answer:

1.6 hours

Step-by-step explanation:

Number of opening hours a day = 8

Number of groups = 5

Dividing the number of opening. Hours equally among the 5 groups :

8 hours / 5

= 1.6 hours per group per day

4 0
2 years ago
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