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Marat540 [252]
3 years ago
10

Enya is building a storage cupboard in the shape of a rectangular prism. The rectangular prism has a square base with side lengt

hs of 2.4 feet and a height of 3.4 feet. Find the percentage of the amount of paint she would use to paint all but the bottom surface of the prism to the amount she would use to paint the entire prism. Round to the nearest tenth.
Mathematics
1 answer:
grin007 [14]3 years ago
4 0
What do you think is the first step

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The simple interest on $2000 at 2% per annum for 3 months is
Jet001 [13]

Step-by-step explanation:

s.i= P×T×R/100

=2000×0.25×2/100

= 1000/100

= 10

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2 years ago
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Can someone plzzz help me!!!
anyanavicka [17]

Answer:

(-3,-1)

Step-by-step explanation:

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3 years ago
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A data includes 108 body temperature od healthy adult humans having a mean of 98.2 f and a standard deviation of .64f. Contruct
leonid [27]

Answer: ( 98.04f, 98.40f ), it is not accepted

Step-by-step explanation: the question is suggesting we construct a 99% confidence interval for mean body temperature.

The formulae for Constructing a 99% confidence interval is given below as

u = x + Zα/2 × (s/√n)........... For the upper limit

u = x - Zα/2 × (s/√n)........... For the lower limit

Where u = population mean

x = sample mean = 98.2

s = sample standard deviation = 0.64

n = sample size = 108.

Zα/2 = critical value for a 2 tailed test performed at a 1% level of significance ( 100% - 99%) = 2.58

We are making use of our z test because sample size is greater than 30 ( n = 108).

By substituting the parameters, we have that

For upper limit

u = x + Zα/2 × (s/√n)

u = 98.2 + 2.58 ( 0.64/√108)

u = 98.2 + 2.58 ( 0.0616)

u = 98.2 + 0.1589

u = 98.4

For lower limit

u = x - Zα/2 × (s/√n)

u = 98.2 - 2.58 ( 0.64/√108)

u = 98.2 - 2.58 ( 0.0616)

u = 98.2 - 0.1589

u = 98.04.

Hence the 99% confidence interval for mean temperature of human is ( 98.04f, 98.40f )

Using 98.6f as the average mean body temperature is wrong because it is out of the confidence interval calculated above.

Our confidence interval states that at 99% confidence interval, an average human temperature should be at least 98.04f and at most 98.40f.

98.6f is out of the range.

4 0
3 years ago
Help me with questions 5 6 and 7! I will mark brainliest.
Leviafan [203]

Answer:

5) a=79º b=101º  

Step-by-step explanation:

I am not entirely sure but I hope it helps! I'm sorry I only know number 5.

7 0
3 years ago
Can someone please help me on this, i’m way too tired to deal with this.
vivado [14]
The answer is 10 days passing time for every kitten saved. Your would divide the total number of days by the five friends to get 100 days for every friend, then you would evenly divide the 50 kittens to each of the friends' allotted times (100 days) which end up with 10 kittens for every hundred days. Divide the 100 days by the 10 allotted kittens to get one kitten for every 10 days.
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3 years ago
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