A number is multiplied by 10. Then 32 is added to the product. This sum is then divided by 4. The answer is 28. A number is multiplied by 10. Then 32 is added to the product. This sum is then divided by 4. The answer is 28. A number is multiplied by 10. Then 32 is added to the product. This sum is then divided by 4. The answer is 28.

Answers

Answer 1
Answer: Set up a problem: (Nx10+32)/4=28. Divide by 4: 10N/4+8=28. Subtract 8: 10N/4=20. Multiply by 4: 10N=80. Divide by 10: N=8 :)
Answer 2
Answer: im not sure what you have to do here. Any examples what other answer looked like of similar questions? 

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Calcule:
a)(+17)+(-8)+(+19)+(-26)+(+1)=

Answers

17-8+19-26+1

= 9 + 19-26+1

= 28-6+1

= 2+1

= 3


I hope that's help ! Please if you have question(s) just let me know !

Make x the subject of the following... 2z = 3r + x

Answers

2z = 3r + x

Make x the subject: 

x = 2z - 3r

4x+6 is greater than or equal to 18
find the solution

Answers

Answer:

4x+6 ≥ 18

Step-by-step explanation:

x≥3

-3/2 multiplied by 3?

Answers

Let's solve this step-by-step! :)

-(3/2) * 3 

= -(9/2)

I hope this helped!! :D
negative × positive= neg
so= 3/2×3
=9/2
=-4 and 1/2
=-4.5

Find the range 4.7 6.3 5.4 3.2 4.9

Answers

Answer:

3.1.  

Step-by-step explanation:

We have been given a data set and we are asked to find the range of our given data set.

4.7, 6.3, 5.4, 3.2, 4.9

First of all let us arrange our data set in ascending order.

3.2, 4.7, 4.9, 5.4, 6.3

Since we know that range is the difference between the greatest value and lowest value of the data set.

\text{Range}=\text{ The greatest value of data set - The lowest value of data set}

We can see that 6.3 is the greatest data point and 3.2 is the lowest data point of our given data set.

Upon substituting these values in range formula we will get,

\text{Range of our given data set}=6.3-3.2

\text{Range of our given data set}=3.1

Therefore, the range of our given data set is 3.1.

Simple....

Range= Biggest number-Smallest Number

6.3-3.2=3.1

Thus, your answer.

A company knows that 30% of Customers who come to the store will check out the merchandise and then order it online because it is cheaper. The company wants to know the probability that it will take at least three customers to find one who shops on line. How could the company find out this information?

Answers

Let X be a discrete random variable with geometric distribution.
 Let x be the number of tests and p the probability of success in each trial, then the probability distribution is:
 P (X = x) = p * (1-p) ^ (x-1). With x = (1, 2, 3 ... n).
 This function measures the probability P of obtaining the first success at the x attempt.
 We need to know the probability of obtaining the first success at the third trial.
  Where a success is defined as a customer buying online.
 The probability of success in each trial is p = 0.3.
 So:
 P (X = 3) = 0.3 * (1-0.3) ^ (3-1)
 P (X = 3) = 0.147
 The probability of obtaining the first success at the third trial is 14.7%