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ANTONII [103]
3 years ago
15

I would like to know How to calculate ?

Mathematics
1 answer:
BabaBlast [244]3 years ago
4 0
First you must multiply the denominators to make them the same number; 4 times 5=20 so your new denominator is 20 then multiply the three times four= 12 then the one times five=5 then you add, 12/20+5/20= 17/20. And that answer is also in simplest form.
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Please help me I really need the answer!
Ymorist [56]
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Because you cannot divide by 0, which 2 would do to the bottom. 
5 0
3 years ago
You are planning a survey of starting salaries for recent business major graduates from your college. From a pilot study you est
xxTIMURxx [149]

Answer:

1245

Step-by-step explanation:

-Given the standard deviation is $9000 and the margin of error is $500.

-the minimum sample size at a 95% confidence level can be calculated using the formula:

n\geq( \frac{z\sigma}{MOE})^2\\\\\\\geq (\frac{1.96\times 9000}{500})^2\\\\\\\geq 1244.6784\approx 1245

Hence, the minimum  sample size is 1245

*Since there's no data fromw which we are drawing our variables, we can manually input our parameters in excel and calculate as attached.

5 0
3 years ago
What is the answer to question 41
Nina [5.8K]

Answer:

an = 6 +5(n-1)

an = 1 +5n

Step-by-step explanation:

The equation for an arithmetic term is

an =a1 +d(n-1)

where a1 is the 1st term and d is the common difference

an = 6 +5(n-1)

We can distribute the 5

an = 6+5n-5

an = 1 +5n

4 0
3 years ago
4 less than the product of one and a number z
AleksAgata [21]

Answer:

z - 4

Step-by-step explanation:

Step 1: Convert "4 less"

-4

Step 2: Convert "Product of one and a number z"

1 · z

z

Step 3: Combine

z - 4

3 0
3 years ago
Read 2 more answers
Convert 234 degrees to radians
serg [7]

Answer:

4.084 radians

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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