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QveST [7]
3 years ago
7

Figure 3 shows a sketch of part of the curve C with equation

Mathematics
1 answer:
vampirchik [111]3 years ago
8 0

Answer:

Step-by-step explanation:

because The curve C crosses the x-axis at the origin and at the points A and B =>  the x coordinates of A and B are the solution of the equation:

 x(x + 4)(x - 2) = 0

<=> x = 0

      x = -4

      x = 2

because the x-coordinates of the points A and B aren't 0 and the x-coordinate

of A is a negative value

=>  the x-coordinate of  A is -4

the x-coordinate of B is 2

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A train leaves Zurich at 2240 and arrives in Paris at 0732. work out the time taken​
Alisiya [41]

The time taken to reach train from Zurich to Paris is 8 hours 52 minutes.

Step-by-step explanation:

          The given is,

                     Train leaves Zurich at 22:40

                     Train arrives Paris at 07:32

Step:1

          Time taken to reach from zurich to paris,

                            = Train leaves at Zurich - Train arrives at Paris

                            = 22:40 - 07:32

                            = 8.52 hours

Step:2  

         Time taken by train to reach from zurich to paris in minutes,

                           = 8.52 hours

                           = 4831 minutes 12 secs

Result:

        The time taken to reach train from Zurich to Paris is 8 hours 52 minutes, if a train leaves Zurich at 2240 and arrives in Paris at 0732.

4 0
2 years ago
Which expression is equivalent to 7a^2b + 10a^2b^2 + 14a^2b^3?
vladimir1956 [14]
7a^2b + 10a^2b^2 + 14a^2b^3 =
a^2b (7 + 10b + 14b^2) <==
3 0
3 years ago
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Charlie wants to order lunch for his friends. He’ll order 6 sandwich’s and a $3 kids meal for his little brother Charlie had $27
Vera_Pavlovna [14]
The answer is 4, first you the $27 and subtract the $3, then u take 24 and divide it by 6
8 0
2 years ago
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Walter buy a bus pass for $30 every time he writes the bus money is deducted from the value of the past he Road 12 times and $24
Mars2501 [29]
If Walter rode 12 times and 24 was deducted, then each bus ride costs :
24/12 = $ 2 per ride
8 0
3 years ago
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A college Statistics class conducted a survey concerning community attitudes about the college's large homecoming celebration. T
gogolik [260]

Answer:

A) Yes

B) No

C) No

D) No

Step-by-step explanation:

A) Yes, every telephone number that could occur in that community will have an equal chance of being generated because the telephone numbers were generated randomly.

B) No, this method of generating telephone numbers would not result in a simple random sample (SRS) of local residences because the first three digits were generated in a different random way than the last four digits.

C) No, this method would not generate an SRS of local voters because not everybody will be pick up when they call because they may not be at home or they may be too busy to pick up.

D) No, this method is not unbiased in generating samples of households because there will be nonresponse bias since not everyone will pick up the call

4 0
3 years ago
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