1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
velikii [3]
3 years ago
13

The mean of five numbers is 15. four of the numbers are 3,19,8, and 32 whats the fifth number

Mathematics
1 answer:
qwelly [4]3 years ago
6 0
Setup Average Equation:
_____________________
Average=Sum of our 4 numbers + unknown number of x
                ____________________________________
                                          Total Numbers
15 = 3 + 19 + 8 + 32 + x
       ______________
                      5
Cross Multiply
___________
3 + 19 + 8 + 32 +  = 15 x 5
x + 62 = 75
Subtract 62 from both sides of the equation to isolate x:
___________________________________________
x + 62 - 62 = 75 - 62
x = 13          
You might be interested in
An employee was randomly chosen from a company. If the expected value of the age of the employee is _____ years old, the mean ag
Vinil7 [7]
This employee who was randomly chosen represents the population of the company. This means that, any parameter measured through this employee can be considered as the mean or average value for the whole population (the company).

Based on this, taking the age of the employee as the desired parameter, the age of this employee will be considered as the average or mean age for the whole company. This means that the age of the employee and the mean age of all employees are equal.

Therefore, the answer is C) 32, 32
<span>An employee was randomly chosen from a company. If the expected value of the age of the employee is 32 years old, the mean age of all the employees in the company is 32 years old.</span>
5 0
3 years ago
Read 2 more answers
Radius of a circular ground is 21m. Find.
trapecia [35]

The circumference of a circle of radius r is

C=2\pi r

So, in your case, the circumference is

C=2\cdot \pi \cdot 21 = 42\pi

The circumference is actually the length of the "perimeter", so the answer to questions 1 and 2 looks the same actually

6 0
3 years ago
How do you do this?<br>please help if possible!
stellarik [79]
(a) need to find the number of books, we'll call it "b". then the money (6w) minus the cost of books (17b) equals change left over (w)
6w - 17b = w
6w - w = 17b
5w = 17b
(5/17)w = b

(b) if w = 34
(5/17) *34 = b
10 = b
7 0
3 years ago
Read 2 more answers
I just need someone to check my answers, I did all the work but I'm not sure even though I checked my work 3 times but that's no
Lisa [10]

Answer:

yea in my opinon u are right but im not a expert in math.

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Please ASAP thank you
makvit [3.9K]

Answer:

<5 ~= <1 - Corresponding Angles Theorem

<1 ~= <7 - Alternate Exterior Angles Theorem

<5~= <7 - Vertical Angles Theorem

line l || line m - Transitive Property

8 0
3 years ago
Other questions:
  • Write an equation for a line that is parallel to the graph of y = -3x + 6 and passes through the point at (-4, 7)
    15·1 answer
  • ralph is three times as old as sarah. in 6 years ralph will be twic as od as sarah will be then find ralphs age now
    10·1 answer
  • Can two dot plots have the same median and range but have completely different shapes? Justify your answer using examples.
    13·1 answer
  • two people were doing yard work for 1 hour and 35 minutes then they stopped for lunch at 1:20pm at what time did they start doin
    7·1 answer
  • Evaluate this!! Plzzzz!
    7·1 answer
  • What is the most specific name that can be given to a figure with the following coordinates?
    8·1 answer
  • John writes a number sequence starting with 8. Write the next number 8, 22, 36, _______
    13·1 answer
  • Find the slope of the following equation .simplify your answer 5x+2y=-10
    11·2 answers
  • What's the percent increase of 37 to 85?
    15·2 answers
  • You deposit $2000 into an account that pays 6% compounded monthly. a. How much money will you have in the account after 1 year?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!