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pickupchik [31]
3 years ago
8

Can someone help me i dont know what to do here please Explain and answer

Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
3 0

Answer:

For the tickets sold collum, your going to do 1,2,3,4,5,6,7 and for the total revenue, your going to do 34.00 68.00 102.00 136.00 170.00 204.00 238.00

Step-by-step explanation:

Then for ordered pairs, you´re going to do 1, 34.00 2, 68.00 3, 102.00 and so on. Then you graph it, oh and K= 34.00

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The sum of a rational number and a positive integer is rational.
Marina86 [1]

Answer:

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In a survey, of the voters support a particular referendum. If 40 voters are chosen at random, find the mean and variance for th
Katyanochek1 [597]

This question is incomplete, the complete question is;

In a survey, 55% of the voters support a particular referendum. If 40 voters are chosen at random,

find the mean and variance for the number of voters who support the referendum.

Answer:

a) The Mean is 22

b) Variance is 9.9

Step-by-step explanation:

Given that;

55% of the voters support a particular referendum p = 0.55

q = 1 - p = 1 - 0.55 = 0.45

sample size n = 40

a)

Mean = sample size n × p

Mean = 40 × 0.55

Mean = 22

Therefore the Mean is 22

b)

Variance = n × p × q

so we substitute

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Variance = 9.9

Therefore the Variance is 9.9

3 0
3 years ago
Write the equation for nancy started the year with $425 in the bank and is saving $25 a week. sam started with $875 and is spend
Zina [86]
X is the amount of weeks.
Equation: 425+25x=875-15x

Solve for x:
25x+15x=875-425
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x=11.25
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5 0
3 years ago
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