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Alik [6]
3 years ago
13

2. A checking account is set up with an initial balance of $3600, and $400 is removed from the account each month for rent (no o

ther transactions occur on the account).
a. Create an expression representing the amount in her account.



b. Write an equation whose solution is the number of months, m, it takes for the account balance to reach $2000.




c. What does each part of your equation represent?

please be specific!
Mathematics
1 answer:
Rina8888 [55]3 years ago
7 0

Answer:

brainly.com/question/18028721

Step-by-step explanation:

This question was already asked and answered at this link

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What is the confidence interval estimate of the population mean percentage change in the price per share of stock during the fir
I am Lyosha [343]

Answer:

(-0.1059 ; - 0.0337)

Step-by-step explanation:

The data table is attached in the picture below:

These is a matched pair design ; which requires taking the difference of the two values for each sample :

The mean and standard deviation of the difference will be used to construct the confidence interval :

The mean of difference, dbar = Σx/n = - 0.0698

The standard deviation of difference, Sd ;

Sd = [√Σ(d - dbar)²/(n-1)] = 0.1054

n = sample size = 25

The confidence interval :

dbar ± [TCritical * Sd/√n]

Tcritical at 90% ; df = n -1 = 25 -1

Tcritical(90% , 24) = 1.1711

C.I = - 0.0698 ± (1.711 * 0.1054/√25)

C.I = - 0.0698 ± 0.0361

C.I = (-0.1059 ; - 0.0337)

5 0
2 years ago
The variables x and y vary inversely. When y is 725, x is 20. What is x when y is 50?
Ipatiy [6.2K]
I think it is 2.5 but not sure correct me if i am wrong
6 0
3 years ago
Read 2 more answers
suppose a weather app says that the probability of rain today is 30%. What is the complement of the event ""rain today"" what is
ValentinkaMS [17]

Answer:

The complement event would be: "No rain today"

Its probability would be 70%

Step-by-step explanation:

Given the event:

A= rain today

The probability of rain today is 30%

P(A)=30%=0.3

The complement event has all the values that are not included in the event.

The complement event would be:

A'= No rain today

The probability of a event is the subtraction between 1 and the complement event:

P(A')=1-P(A)

Then, the probability of the event "No rain today" will be:

P(A')=1-0.3=0.7=70%

4 0
3 years ago
1/4 + 5/8 + 1/8 + 1/4 + 1/4 + 1/4 + 3/4 + 3/4
zysi [14]
1/4=2/8  and 3/4=6/8... common denominator 
2/8+5/8+1/8+2/8+2/8+2/8+6/8+6/8=26/8=13/4=3 1/4
7 0
3 years ago
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A box of cereal costs $3.49. How much do a dozen boxes of cereal cost?
antiseptic1488 [7]

Answer:

41.88

Step-by-step explanation:

3.49*12=41.88

7 0
2 years ago
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