subject
Mathematics, 22.09.2020 04:01 kaffolter25

Class 10R sat a test the mean mark for the class is 70% there are 30 students in that class 20 of whom are boys the mean mark for the boys is 62% find out the mean for the girls

ansver
Answers: 2
Show answers

Another question on Mathematics

question
Mathematics, 21.06.2019 19:00
Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.
Answers: 2
Answer
question
Mathematics, 21.06.2019 20:00
The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?
Answers: 2
Answer
question
Mathematics, 22.06.2019 02:30
Jennifer is 20 miles north of her house, and she is driving north on the highway at a rate of 55 miles per hour whats the slpoe
Answers: 2
Answer
question
Mathematics, 22.06.2019 03:00
Determine whether the question is a statistical question. explain. 1. what is the eye of sixth grade students? 2. at what temperature (in degree fahrenheit) does water freeze? 3. how many pages are in the favorite books of students your age? 4. how many hours do sixth grade students use the internet each week? you!
Answers: 3
Answer
You know the right answer?
Class 10R sat a test the mean mark for the class is 70% there are 30 students in that class 20 of wh...
Questions
question
Geography, 28.07.2019 18:00
The nutrients rich waters at the convergence zone feed...
question
History, 28.07.2019 18:00
"let us all hope that the dark clouds of racial prejudice will soon pass away and the deep fog of misunderstanding will be lifted from our fear-drench...
question
Biology, 28.07.2019 18:00
True or false, the fact that the mountains separate continents appeared to belong to the same chain of mountains was evidence that a long time ago, th...
question
Chemistry, 28.07.2019 18:00
When 0.040 mol of propionic acid, c2h5co2h, is dissolved in 750 ml of water, the equilibrium concentration of h3o+ ions is measured to be 1.84 x 10-3...
question
Spanish, 28.07.2019 18:00
Select the answer that best completes the sentence. toma libros. (1 point) question 21 options: 1) las 2) el 3) los 4) la...
question
Computers and Technology, 28.07.2019 18:00
Whihc of the following formats can algorithms not be written in: question 25 options: flow chart step-by-step pseudocode structured english...
question
Chemistry, 28.07.2019 18:00
Which equation represents an interaction of a weak base with water? naoh(aq) na + (aq) + oh1- (aq) ch3ch2oh(l) ch3ch2oh(aq) n2h4(aq) + h2o(l) n2h5 +...
question
Computers and Technology, 28.07.2019 18:00
Your boss notices an error in a report your team worked on. you recognize the error was yours, and you tell him. this is an example of: a. brownnosing...
question
Chemistry, 28.07.2019 18:00
What volume of a concentrated hcl solution, which is 36.0% hcl by mass and has a density of 1.179 g/ml, should you use to make 8.00 l of an hcl soluti...
question
Spanish, 28.07.2019 18:00
What is the name for peruvian chinese food? a. papas a la huancaína b. chifa c. ceviche d. anticuchos...
question
Business, 28.07.2019 18:00
An estimate based on an analysis of receivables shows that $790 of accounts receivables are uncollectible. the allowance for doubtful accounts has a d...
question
History, 28.07.2019 18:00
What are long- lasting effects of the ten comandments...
question
Business, 28.07.2019 18:00
Anew project is expected to generate an operating cash flow of $38,728 and will initially free up $11,610 in net working capital. purchases of fixed a...
question
Mathematics, 28.07.2019 18:00
Fast. i will give brainest. bev has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. calculate th...
question
Chemistry, 28.07.2019 18:00
What mass of hcl, in grams, is neutralized by a dose of milk of magnesia containing 3.26 g of mg(oh)2? express the mass?...
question
Geography, 28.07.2019 18:00
Earth's tectonic plates move due to in the mantle gravity liquid rock magnetism convection currents...
question
Biology, 28.07.2019 18:00
Aneonate born at 38 weeks' gestation is admitted to the neonatal nursery for observation. the neonate's mother, who is positive for human immunodefici...
question
Business, 28.07.2019 18:00
Anerve gas attack has occurred in one of the city's underground subway stations. this is the second attack this month. after arriving on the scene, a...
question
Mathematics, 28.07.2019 18:00
Josh's chicken soup recipe calls for 212 l of chicken stock. josh makes 314 times the recipe for a family reunion....
question
Biology, 28.07.2019 18:00
An infant who has undergone surgery for bilateral clubfoot returns from the operating room with bilateral casts. after noting that the infant's toes a...
More questions: Mathematics Another questions
Questions on the website: 13722367
See results (0)