Camille uses a 20% off coupon when buying a sweater that costs $47.99. If she also pays 6% sales tax on the purchase, how much does she pay?

Answers

Answer 1

Answer: 47.99-20%×47.99= $38.392 = a (price after being discounted)

Final price = a+ 6%×a = $40.69552

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Growth in feet of oak trees: 68,80,73,90,120,94,76,112,101,94,72

(1) 22 (2) 28 (3) 52 (4) 73

Answers

68,80,73,90,120,94,76,112,101,94,72 --->
68, 72, 73, 76, 80, 90, 94, 94, 101, 112, 120

Median = 90
Lower Median = 73
Upper Median = 101

IQR = 101 - 73
IQR = 28

The sum of four consecutive odd integers is 328. What are the integers? (show your work)

Answers

Answer:

79, 81, 83, and 85

Step-by-step explanation:

x = 1st integer

x+2 = 2nd

x+4 = 3rd

x+6 = 4th

328 = sum

x+x+2+x+4+x+6 = 328

328/4 = 82

The 4 integers are the 2 odd integers on either side of 82 and closest to 82

That would be 79, 81, 83, and 85.

79 + 81 + 83 + 85 = 328

f the sample size n=25, the sample mean = 10 and the sample standard deviation s=6, create the 90% confidence interval for the population mean and interpret it. A. The confidence interval is [7.52 ,12.48] and 90% of the population values fall in this interval. B. The confidence interval is [7.52 ,12.48] and there is a 90% chance that the population mean has a value that falls within this interval. C.The confidence interval is [7.95 ,12.05] and there is a 90% chance that the population mean has a value that falls within this interval. D. The confidence interval is [7.95 ,12.05] and 90% of the population values lie within this interval.

Answers

Answer:

(s/√n) is the standard error of the sample mean. If the sample size n=25, the sample mean = 10 and the sample standard deviation s=6, create the 90% confidence interval for the population mean and interpret it. A. The confidence interval is [7.52 ,12.48] and 90% of the population values fall in this interval.

The length of an Australian flag is twice its width and the diagonal length is 45cm. A. if x cm is the width of the flag, find the length in terms of x.
B. draw a diagram of the flag marking in the diagonal. mark the length and the width in terms of x.
C. use Pythagoras theorem to write an equation relating the lengths of the sides to the length of the diagonal.
D. solve the equation to find the dimensions of the Australian flag. round your answer to the nearest cm

Answers

A. 2x B. draw a rectangle with a line ad label accordingly C. W^2 + D^2 =L^2

D. 45= 15= w 30= l

1Convert the following equation to slope-intercept formy-3=\frac{1}{8}\left(x+8\right)y−3=8(x+8)

Answers

Answer:

y = 8x + 67

Step-by-step explanation:

The equation of a line in slop- intercept form is

y = mx + c

Given

y - 3 = 8(x + 8) ← distribute parenthesis

y - 3 = 8x + 64 ( add 3 to both sides )

y = 8x + 67 ← in slope- intercept form

Solve. 6 × r = 42

Please help. :(

Answers

Answer:

r = 7

Step-by-step explanation:

42 ÷ 6 = 7

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