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IceJOKER [234]
3 years ago
13

Sally's tree grows 14 inches in a day. how many days will it take to grow 12 feet?​

Mathematics
1 answer:
Shkiper50 [21]3 years ago
4 0

Answer:

10.28571428...days

Step-by-step explanation:

1 feet=12 inches

12 feet=12*12=144 inches

144/14=10.28571428...

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A financial analyst wanted to estimate the mean annual return on mutual funds. A random sample of funds' returns shows an averag
Feliz [49]

A financial analyst wanted to estimate the mean annual return on mutual funds. A random sample of 60 funds' returns shows an average rate of 12%. If the population standard deviation is assumed to be 4%, the 95% confidence interval estimate for the annual return on all mutual funds is

A. 0.037773 to 0.202227

B. 3.7773% to 20.2227%

C. 59.98786% to 61.01214%

D. 51.7773% to 68.2227%

E. 10.988% to 13.012%

Answer: E. 10.988% to 13.012%

Step-by-step explanation:

Given;

Mean x= 12%

Standard deviation r = 4%

Number of samples tested n = 60

Confidence interval is 95%

Z' = t(0.025)= 1.96

Confidence interval = x +/- Z'(r/√n)

= 12% +/- 1.96(4%/√60)

= 12% +/- 0.01214%

Confidence interval= (10.988% to 13.012%)

3 0
3 years ago
Determine which of the lines, if any, are parallel or perpendicular. Explain.
hodyreva [135]
Answer:
line a and b are parallel
line c is not perpendicular because it is not 3

step-by-step explanation:
if the slope is the same it is parallel
if the slope is the complete opposite it is perpendicular
lines a and b are parallel with a slope of -1/3
(0, 5) (3, 4)
m = 4 - 5 / 3 - 0
m = -1 / 3
m = -1/3
(-1, 1) (2, 0)
m = 0 - 1 / 2 + 1
m = -1 / 3
m = -1/3
line c is perpendicular to lines a and b the slope is
(0, 0) (2, 5)
m = 5 - 0 / 2 - 0
m = 5/2
2.5
8 0
3 years ago
"A cylindrical container has a radius of 25 inches and a height of 31 inches. What is the volume of
photoshop1234 [79]

Use the formula:

Radio= r, Height= h

V= 3.14xrx2h

r =25, h=31

V= 3.14 x 25 x 2 (31) =. 4867

V= 4867 cubic inches

Step-by-step explanation:

5 0
3 years ago
Can you plz mee!!!<br> You can get 10 points.
Harman [31]

Answer:

i think a

Step-by-step explanation:

you said 10 i see five

3 0
3 years ago
Read 2 more answers
What am I supposed to say on here the question is in the picture
Viktor [21]
The answer is Function A. This is because Function A has a higher y-intercept than Function B. #brainliest
8 0
2 years ago
Read 2 more answers
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