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Veseljchak [2.6K]
3 years ago
5

If f(x) varies directly with x and f(x) = 48 when x = 8 find the value of f(x) when x = 2

Mathematics
1 answer:
const2013 [10]3 years ago
6 0
Here, f(x) = kx

k = f(x)/x
k = 48/8
k = 6

So, when x = 2, 
f(x) = 6 * 2
z = 12

In short, Your Answer would be: 12

Hope this helps!
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The difference between the value of the sample statistic and the value of the corresponding population parameter is called the _
mel-nik [20]

Answer: c. sampling error

Step-by-step explanation:

  • A population parameter is a number that is evaluated to describe the whole population . For example : Population mean , Population standard deviation etc.
  • A sample statistic gives the estimate value of the population parameter. For example : Sample mean , sample proportion.

Since, the sample is a subset of population , so there are chances for unavoidable variation in sample mean from the population mean that varies from sample to sample .

This variation is known as sampling error.

∴ The difference between the value of the sample statistic and the value of the corresponding population parameter is called the sampling error .

Hence,the correct answer is c. sampling error .

7 0
3 years ago
How do I solve the literal equation 6=mx+b for x? Did not learn this in school as I was absent for two weeks.
NeX [460]
6= mx+b
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hope you understand
3 0
3 years ago
Scott wants to tip his taxi driver 20%. if his commute costs $15 what is the total cost
Vlad [161]
The total cost is $18
8 0
3 years ago
Sabra joins a cooking club for $8.50 and pays $6.25 each month. She also joins a movie club for $12 and pays $3.75 each month. W
podryga [215]

Simplified expression for total amount spent is 10(2.05 + m)

Step-by-step explanation:

  • Step 1: Write expression for expense on joining cooking club for m months.

Expense = 8.50 + 6.25 × m

  • Step 2: Write expression for expense on joining movie club for m months.

Expense = 12 + 3.75 × m

  • Step 3: Calculate the total amount spent on both clubs

Total Amount = 8.50 + 6.25m + 12 + 3.75m = 20.5 + 10m = 10(2.05 + m)

6 0
3 years ago
Nancy is asked to use her calculator to find the volume of a cylindrical canister that has a radius of 10.55 cm and a height of
Murljashka [212]

use the formula given:

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 answer is D 4392

7 0
3 years ago
Read 2 more answers
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