subject
Mathematics, 17.02.2021 04:50 hokamidat

If the mean of 5 numbers is 10 and the mean of other 15 numbers is 20 , what is the combined mean of both 20 numbers​

ansver
Answers: 2
Show answers

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Two customers went to a post office. first customer paid $12 for 14 and 5 envelopes the second paid 24.80 for 10 postcards and 15 envelopes. what is cost of each envelope?
Answers: 1
Answer
question
Mathematics, 21.06.2019 20:30
Ametal rod is 2/5 meters long. it will be cut into pieces that are each 1/30 meters long. how many pieces will be made from the rod?
Answers: 1
Answer
question
Mathematics, 21.06.2019 21:00
Suppose a gym membership has an initial enrollment fee of $75 and then a fee of $29 a month. which equation models the cost, c, of the gym membership for m months?
Answers: 1
Answer
question
Mathematics, 21.06.2019 22:00
Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?
Answers: 1
Answer
You know the right answer?
If the mean of 5 numbers is 10 and the mean of other 15 numbers is 20 , what is the combined mean of...
Questions
question
Mathematics, 16.07.2019 09:00
How much time is needed for a 15,000 w engine to do 1,800,000 j of work? (power: p = w/t) 0.008 s 8 s 120 s 1,785,000 s...
question
Mathematics, 16.07.2019 09:00
What is the tangent ratio for angle a?...
question
Mathematics, 16.07.2019 09:00
Alocal hamburger shop sold a combined total of 578 hamburgers and cheeseburgers on tuesday. there were 72 fewer cheeseburgers sold than hamburgers. ho...
question
Biology, 16.07.2019 09:00
The release of water from the __ of the cells caused the plant to wily and droop. the__ in the plant cells it to maintain its structure during this p...
question
Mathematics, 16.07.2019 09:00
Factor the expression shown below completely. 18x^2 -60x +50...
question
Mathematics, 16.07.2019 09:00
Adistribution is symmetrical if the tails on both ends of the density curve that represents it are close to identical. truth or false?
question
Geography, 16.07.2019 09:00
Which of the following is not an advantage of carpooling? a. saves energy c. minimizes parking problems b. reduces traffic congestion d. increases tr...
question
Mathematics, 16.07.2019 09:00
The intensity, or loudness, of a sound can be measured in decibels (db), according to the equation i(db)=10log[1/10], where i & / the intensity of...
question
Geography, 16.07.2019 09:00
What was one way the constitutional amendment excerpted above advance the cause of gender equality...
question
History, 16.07.2019 09:00
Five characteristics of hunter-gathered societies were...
question
Mathematics, 16.07.2019 09:00
What is the tangent ratio for angle a?...
question
Mathematics, 16.07.2019 09:00
The vertex form of the equation of a parabola is y=(x+5)^2 + 49. what is the standard form of the equation
question
Mathematics, 16.07.2019 09:00
If mce =40 and m cde =30 what is mab...
question
History, 16.07.2019 09:00
25 points! how did progressives try to clean up the nations moral problem? 1 paragraph needed...
question
English, 16.07.2019 09:00
In what way does it show an example of hemingways writing style...
question
Physics, 16.07.2019 09:00
In order for a person to “ see” and object, light waves pass through...
question
Mathematics, 16.07.2019 09:00
Suppose a squad patio has an area of 441 square feet. use the formula for the area of a square to find the length of each side of the patio....
question
Mathematics, 16.07.2019 09:00
Set a = 3 and k = 1. use the slider to manipulate m. what happens to the graph when m is negative? a. it remains the samec. a reflection about the&nbs...
question
History, 16.07.2019 09:00
Wich of the following world war 2 events occured on augest 6, 1945...
question
Biology, 16.07.2019 09:00
Which is a problem caused by using nuclear energy? a. nuclear energy gives off carbon dioxide. b. there are arguments about where to store the waste....
More questions: Mathematics Another questions
See results (0)