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Cerrena [4.2K]
3 years ago
13

Find the necessary sample size.

Mathematics
1 answer:
andrew11 [14]3 years ago
4 0

Answer:95.44

Step-by-step explanation:

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When you multiply a positive integer by a positive integer is the result positive or negative?
Usimov [2.4K]
<span>When you multiply a positive integer by a positive integer then the result must be a Positive Integer.

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The waiting time at a doctor’s office is uniformly distributed with a minimum waiting time of 10 minutes and a maximum waiting t
MariettaO [177]

Answer:

25%

Step-by-step explanation:

There are 20 minutes between 10 and 30 and 5 minutes between 10 and 15 so you need to find 5% of 20 (5/20 x 100) which is 25%

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3 years ago
A tree 7 ft tall grows an average of 6 in. each year. Which equation models the tree’s height h after x years?
Vesna [10]
The initial height of the tree = 7 ft

Each year the tree grows 6 in.   6 in = 6 / 12 = 0.5 ft

So the tree grows 0.5 ft every year.

After x years, the tree would have grown extra = 0.5*x =0.5x

So the height of the tree would be = Initial height + extra height grown

= 7 + 0.5x

h = 7 + 0.5x

Model is    h = 7 + 0.5x, 

where h = height of the tree in feet after x years. 

Hope this explains it.
6 0
3 years ago
Simplify the expression 2x+(x)(3+x). Write products as powers when possible.
Juli2301 [7.4K]

Answer:

Step-by-step explanation:

2x+(x)(3+x) multiple or foil the ()

2x+3x+x^2 combine like terms

5x+x^2 or x^2+5x

4 0
3 years ago
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A banana has 80 calories. This is 5 calories less than one seventh of the calories in a banana split. How many calories in a ban
viva [34]
The answer is 85 times 7. Since the banana was 5 less then the split, the split is 5 more which is 85 calories but then it says it is also 1/7 of the whole split. So you simply multiply 85 and 7 because 85 was only 1/7 of the total banana split
4 0
3 years ago
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