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icang [17]
2 years ago
10

20 pts please get this right

Mathematics
2 answers:
Serga [27]2 years ago
3 0

Answer:

The answer is C. Citizens vote for the president. Hope this helps! Have a great day!

Step-by-step explanation:

worty [1.4K]2 years ago
3 0

Answer:

citizens vote for president

Step-by-step explanation:

each state has a certain amount of electoral votes and the people vote for the president and if the president wins that state he gets the electoral votes

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A sample of size 20 from a normal distribution has sample mean 3.5 and sample variance 14.75. Find 90% confidence intervals for
aleksley [76]

Answer:

Variance =9.2983, 27.6927

Standard deviation = 3.0493, 5.2624

Step-by-step explanation:

n = 20

S = 14.75

X² = chisquare

N-1 = degree of freedom

Alpha = 0.1

Alpha/2 = 0.1/2 = 0.05

1-0.1/2 = 0.95

Using statistics table

X² 19,0.05 = 30.14

X² 19, 0.95 = 10.12

A. 19(14.75)/30.14 , 19(14 75)/10.12

= 9.2983, 27.6927 for the variance of the population

B. Standard deviation = square root of variance

= √9.2983, √27.6927

= 3.0493, 5.2624

Please use attachment for better understanding

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3 years ago
(-x2y3)*(12xy3)<br>(-2xy2)3​
Leokris [45]
Assuming the numbers are exponents expect the coefficient of 2, top expression, -12x^3y^6, multiply bottom
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4 0
2 years ago
Hhhheeeeeeeeelllllllllllllllppppppppppppp
LiRa [457]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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The cost C (in dollars) of making n watches is represented by C=15n 85. How many watches are made when the cost is $385?
FromTheMoon [43]
We know that C is 385, so we can plug that in to get the equation 385=15n+85. To find the number of watches, we have to solve for n.
To do that we have to...

385=15n+85

First subtract both sides of the equal sign by 85 (because we need to do the opposite)

300=15n (because 85-85 is zero, so we eliminated that, and 385-85 is 300)

Now we divide both sides of the equal sign by 15 (again, opposites)

20=n (because 15n/15 leaves us with n since both 15s cancel out, and 300/15 is 20)

So the number of watches made were 20.
7 0
3 years ago
Suzy has 7 separate rings as shown in the figure on the left. She wants to make one open chain as shown in the figure on the rig
Savatey [412]

Answer:

every other one

Step-by-step explanation:

to put it specifically rings, 2, 4 and 6

3 0
3 years ago
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