The mean age of 8 women in an office is 19 years old.
The mean age of 5 men in an office is 18 years old.
What is the mean age (nearest year) of all the people in the office?

Answers

Answer 1

Answer:

19

Step-by-step explanation:

(8*19+5*18)/(8+5)=242/13=18 8/13

round

19


Related Questions

how to write the ration 4.5 : 2.25 in the form n:1

Answers

Answer:

2:1

Step-by-step explanation:

Change the ratio to a fraction

4.5/2.25

Simplifying it gives us

2/1

Change back to ratio form

2:1

6.4 + 3.2? I need it in simplist form

Answers

Answer:

9.6

Step-by-step explanation:

Answer:

9.6 in decimal form, 9 6/10 in a mixed fraction, 96/10 in an improper fraction.

Step-by-step explanation:

6.4 + 3.2, 6 plus 3 = 9

4+2 = 6

A video game has five stages. If Will beat 4/5 of the stages, what percent of the game has he finished

Answers

Answer:

75%

Step-by-step explanation:

1 = 10%

2 = 25%

3 = 50%

4 = 75%

5 = 100%

learnt this topic a while ago and somehow completely forgot could someone explain?

Answers

Answer:

99.5

Step-by-step explanation:

in right angle triangle

sin x = opposite side / hypotenuse

sin 34 = x  / 178

x  = sin 34 * 178

= 99.5

Solve the quadratic equation 2x + x-7 = 0
Give your answers to 2 decimal places.

Answers

[tex]\text{Its not a quadratic equation but the answer is 2.33}[/tex]

PLEASE HELP. WILL MARK BRANLIEST!!!
Evan is always on the go and lacks the time to search for a parking space in the city. Evan has
most recently started using car-sharing services like Uber and Lyft to get around Nashville. He
maintains a log of each ride to claim the car-sharing charges as a business expense, as shown
below:

A. Sketch a graph of the provided data.( label each axis and provide scaling).
B. Write a linear function to show the relation ship between the two variables. Use the variables d for miles and c for dollars
C. Explain the meaning of each part of your equation In context to the scenario.
D. Evan is trying to determine where to meet a client for a meeting. How far will Evan be able to travel with a budget of $10.00 for a car-sharing ride?
E. Whoops! Evan was in quite the rush and forgot to log the miles for his last trip! How many miles was Evans trip if there was a charge of $17.26 on his credit card for the ride-sharing service?

2. Josh works in the same office as Evan; unfortunately, josh is not very organized, and his ride-share log is incomplete. Use the linear function C=1.20d to complete the chart below:
Distance d in miles,cost c in dollars
4 14.55

11
28.95

Answers

Answer:

 

25 is A , 26 is B , 27 is C , and 28 is C

Step-by-step explanation:

hope this helped

mark me brainilest :D

Answer:

25 is A , 26 is B , 27 is C , and 28 is C

Step-by-step explanation:

The total operating costs of a monorail are paid using a combination of passenger fares and tax revenue. The farebox recovery ratio is the ratio of passenger fares to total operating costs. A monorail in one city has $69 million in operating costs per year, and uses $30 million from tax revenue.
To the nearest hundredth, what is the farebox recovery ratio for the city?

Answers

Answer:

0.57 or 0.56

Step-by-step explanation:

passenger fares + tax revenue = operating costs

Thus:

passenger fares = operating costs - tax revenue

= $69 million - $30 million

= $39 million

The ratio of passenger fares to total operating costs is:

$39 million

= 0.5652.

$69 million

To the nearest hundredth, the farebox recovery ratio is 0.57.

The product of six minus a number and five equals 60÷2 which equation relates the sentence

Answers

Answer:

Step-by-step explanation:

Mr. Mole left his burrow and started digging his way down.

A represents Mr. Mole's altitude relative to the ground (in meters) after t minutes.

A= -2.3t-7

How fast did Mr. Mole descend?

___ meters per minute

Answers

2.3 meters per minute. -7 is the start of Mr. Mole’s descend and the slope is -2.3. Since it is looking for a measurement, however, it is positive.

An auditorium seats 48 students per row. A total of 1665 students are in the auditorium today. All the rows are full except for the front row. a. How many rows are in the auditorium? There are rows in the auditorium.

Answers

1665/48 = 34.6875 rows

Since we know that these rows currently have students, we know that the auditorium has 35 rows with students. Since the front row is not full, it means there is an extra row.

36 rows

There are 35 rows in the auditorium.

What is Division method?

Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications. For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.

Given that;

An auditorium seats 48 students per row.

And, A total of 1665 students are in the auditorium today.

Now,

Since, An auditorium seats 48 students per row.

And, A total of 1665 students are in the auditorium today.

Hence, Number of rows in the auditorium = 1665 / 48

                                                                 = 35

Thus, Number of rows in the auditorium = 35

Learn more about the divide visit:

https://brainly.com/question/169670

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Jill rode her bike for 2/3 hours for 18mph and she walked 2/5 hours with a speed of 5mph. By how much more distance did she ride on the bike, then walked.

Answers

Answer:

30 mph

Step-by-step explanation:

2+3=5+5=10+2=12+18=30

fill in the missing terms and identify whether it is arithmetic, geometric, or fibonacci, ​

Answers

Answer:

hello are you a Latina hola como estas soy niña

How would you rewrite -5 - (-8) as an addition problem?

Answers

Answer:

if there are 2 negatives by each other it would become a postive so -5+8

Step-by-step explanation:

Answer:

-5+8

Step-by-step explanation:

minus a negative is equivalent to plus a positive

si el examen tenia 44 puntos y saque 40 ¿Que nota tengo?

Answers

Answer:

90%

Step-by-step explanation:

Guys please help asap i don't want to fail
Consider the sequence shown.

Answers

Answer:

The answer is option D

Step-by-step explanation:

f (n)=-2. (-5)^n-1. Jesus loves you

PLS HELP ASAP ILL GIVE BRAINLKEST THANKS

Answers

Answer:

19

Step-by-step explanation:

Answer:

19

Step-by-step explanation:

12<=x-7.  add 7 to both sides.

x>=19

Mrs.bowlin Organise the markers and two sets of staff were nine markers in each is that how many sets of markers did Mrs. Bowlin create

Answers

Answer:

18 sets of markers

what is the coefficient of the first term in the expression 8x+3y+4


a: y

b: 3

c: x

d: 8

Answers

Answer:

d

Step-by-step explanation:

the first term is 8x. 8 is the coefficient and x is the base. so the answer is 8.

Jim sells used drones for 70% of the original manufacturer's purchase price of a new drone. Jim also sells new drones for 15% more than the manufacturer's purchase price of a new drone. write a function to determine the total amount a customer saves if they purchase a used drone rather than a new drone from Jim's store. let x represent the manufacturer's purchase price of the drone

Answers

The function for the amount saved if they purchase a used drone rather than a new drone from Jim's store is f(x) = 0.45x

He sells used drones at 70% of the price (x).

So, the selling price of a used drone is:

[tex]\mathbf{Used = 70\% \times x}[/tex]

Express percentage as decimal

[tex]\mathbf{Used = 0.7 \times x}[/tex]

[tex]\mathbf{Used = 0.7x}[/tex]

Also, he sells new drones at 15% more of the price (x).

So, the selling price of a new drone is:

[tex]\mathbf{New= (1 + 15\%) \times x}[/tex]

Express percentage as decimal

[tex]\mathbf{New= (1 + 0.15) \times x}[/tex]

[tex]\mathbf{New= 1.15 \times x}[/tex]

[tex]\mathbf{New= 1.15x}[/tex]

The amount saved is the difference between the prices of the drones.

So, we have:

[tex]\mathbf{Saved =New - Old}[/tex]

This gives

[tex]\mathbf{Saved =1.15x- 0.7x}[/tex]

Subtract

[tex]\mathbf{Saved =0.45x}[/tex]

Express as a function

[tex]\mathbf{f(x) = 0.45x}[/tex]

Hence, the function for the amount saved is f(x) = 0.45x

Read more about proportions at:

https://brainly.com/question/13114933

Please don't answer if you don't know, please!!
It's about integrals. I know the answer but I'm not sure of the working.

Answers

Answer:

Refer to the attachment

Help plz. I think the starting number is 100% Buu I don't know.

Answers

Answer:

19%

Step-by-step explanation:

if the starting number is 100 then 100 decreased by 10% is 100 times 0.9 =90

and decrease 10% again is 81 and in total decrease by 19%

8.G.4: On the coordinate plane shown below, Figure 1 is transformed into Figure 2, which is transformed into Figure 3. Figure 1 and Figure 3 are similar by a sequence of transformations. Which statement describes the transformation of Figure 2 into Figure 3?

Answers

Answer:

A

Step-by-step explanation:

the anwers is A

Answer:

i think it b

Step-by-step explanation:

? Steve has 7 biscuits in a tin. There are 3 digestive and 4 chocolate biscuits. Steve takes two biscuits at random from the tin. Work out the probability that he chooses two different types of biscuits.​

Answers

Using the hypergeometric distribution, it is found that there is a 0.5714 = 57.14% probability that he chooses two different types of biscuits.​

What is the hypergeometric distribution formula?

The formula is:

[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]

[tex]C_{n,x} = \frac{n!}{x!(n-x)!}[/tex]

The parameters are:

x is the number of successes.N is the size of the population.n is the size of the sample.k is the total number of desired outcomes.

In this problem, the values of the parameters are given as follows:

N = 7, k = 3, n = 2.

The probability that he chooses two different types of biscuits is P(X = 1), hence:

[tex]P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}[/tex]

[tex]P(X = 1) = h(1,7,2,3) = \frac{C_{3,1}C_{4,1}}{C_{7,2}} = 0.5714[/tex]

More can be learned about the hypergeometric distribution at https://brainly.com/question/24826394

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Solve: 6 -0.2x = 2 (6 -0.6x)
A. x=0
B. There are infinitely many solutions.
C. x = 6
D. x = 18

Answers

The answer is x=18

Explanation:

6-0.2x=2(6-0.6x)

+0.2. +0.2

6=12-x

+12. +12

18=x


Sketch the graph of each line by identifying the x-and y-intercepts.

Answers

X=-2
Is a straight line constant at X=-2 all the way from -inf to +inf of y-axis
Doesn’t intercept y axis
So just on the horizontal line where it is marked -2 place your point there

help me pls with my geometry

Answers

Answer:

answer in pic above

Step-by-step explanation:

did this over thrice before coming to the right answer lol

i hope it helps you xxx

Can anyone help me with this question please I really need help please I’ll mark as brainliest

Answers

Answer:

[tex]f(x)=-11\times(7^x^-^1)[/tex]

Step-by-step explanation:

Stare at the numbers. Especially the first two. First one is -11. Second is [tex]-11\times 7[/tex]. Let's guess you keep multiplying. [tex]-77\times 7=-539[/tex]. Smells correct, let's confirm with the last one: [tex]-539\times7 = -3773[/tex]. I think we found a pattern. Each element is 7 times the previous one. With some practice you can just write the function, else let's divide by -11 away and let's see what we get:

[tex]f(1) = 1=7^0; f(2)=7; f(3)=7^2; f(4)=7^3[/tex]. Basically, the exponent is 1 less than the value we're evaluating the function. That leads tho the following

[tex]f(x)=-11\times(7^x^-^1)[/tex]

Graph F(x)=x^2+4 to its function

Answers

Answer:

x2-4

Step-by-step explanation:

got it right

4. A man who is 40 years old wants to begin exercising daily. Calculate his target heart
rate range

Answers

200- your age = your target heart rate.

Hence, for a 40 year old man, it’s 200-40= 160.

Hope this helps!

math need helps i will brainliest

Answers

Answer:

81/256

Step-by-step explanation:

The exponent 4 is meaning how many times you have to multiply a number it is on top of.

So you need to multiply 3/4, 4 times by itself

So

3/4* 3/4* 3/4* 3/4

3 times 3 times 3 times 3 is 81

4 times 4 times 4 times 4 is 256

So the answer is 81/256

Hope this helps!

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