esta54
20.12.2020 •
Mathematics
A math class has 9 girls and 1 boy in the seventh grade and 3 girls and 3 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both boy?
Solved
Show answers
More tips
- L Leisure and Entertainment Carving: History and Techniques for Creating Vegetable and Fruit Decorations...
- P Photography and Videography How to Choose the Perfect Photo Paper for Your Images?...
- H Health and Medicine What vaccines do children need?...
- H Health and Medicine Reasons for the Appearance of Warts: Everything You Need to Know...
- A Art and Culture How to Learn Screaming: Step-by-Step Guide for Beginners...
- H Health and Medicine Contraceptive Pills After 35: The Importance Of Choosing The Right Medication...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
Answers on questions: Mathematics
- M Mathematics Marietta is selling cheeses for the holiday fundraiser. on monday, she sold 7/9 of the boxes of cheeses. on tuesday she restocked her supply and sold 0.85 of the boxes of cheeses....
- M Mathematics 20 point to whoever answers first what is the median of may s temperatures a. 72 b. 61 c. 71 d. 74...
- M Mathematics Two numbers multiply together to make -56. but add together to make -1. what are the two numbers?...
- M Mathematics Last year a large trucking company delivered 4.5 x 105 tons of goods with an average value of $22,000 per ton. what was the total value of the goods delivered? write the answer...
- M Mathematics Two descriptions about physical quantities are given below: quantity a: it has the same unit as force. quantity b: it measures the amount of matter in an object. what quantities...
- M Mathematics With 2 questions you! show all work...
- M Mathematics Find the slope of the line between (1,5)and (3,9)...
- M Mathematics What are the constant terms in the expression? 8m−5n+2+m−14 drag and drop the constant terms into the box....
- M Mathematics Express 17.1 6 as a mixed number in lowest terms...
- M Mathematics What are the variable terms in the expression? 2c+15cd+9d+12 drag and drop the variable terms into the box....
Ответ:
Step-by-step explanation:
prob(boy 7th grade)= 1/10 it is just one boy out of 10 students
prob(boy 8th grade)= 3/6=1/2 there are 3 boys out of 6 students
Prob(both boys)=( 1/10)*(1/2)=1/20
Ответ:
Step-by-step explanation:
45