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
Harrizon [31]
1 year ago
7

A classroom of children has 18 boys and 19 girls in which five students are chosen at random to do presentations. What is the pr

obability that more boys than girls are chosen
Mathematics
1 answer:
andreyandreev [35.5K]1 year ago
5 0

Answer: 76/8547

Step-by-step explanation:

two possibilities

3 boys or 4 boys it would end up as

(18C3+18C4)/37C5

You might be interested in
5)
LenaWriter [7]

I believe the answer is A.

5 0
4 years ago
A theater can seat 170 people. The number of rows is 7 less than the number of seats in each row. How many rows of seats are the
maks197457 [2]
Answer:number of rows =10
number of places in row = 17

Step-by-step explanation:
number of rows =N
number of places in row = N+7
N(N+7)=170
N^2+7n-170=0
(N+17)(N-10)=0
N1=-17
N2=10
We can`t take negative value for quantity of smth so we throw N1 away
From that number of rows =10
number of places in row = 10+7=17
5 0
2 years ago
Estimate the difference.<br><br> 9,136 - 3,572
olga2289 [7]

Answer:

5500..?

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Shirley is going to have her home painted. Tim"s painting charges $250 plus $14 per hour. Colorful paints charges $22 per hour.
Advocard [28]

It would take greater than 31.25 hours for Tim's price to be better. So in terms of whole hours it would take at least 32 hours of work for Tim's price to be better.

5 0
3 years ago
Anna truncated the decimal expansion of x to find the best approximation. On a number line, the location of x is between 10.9 an
podryga [215]

Answer:

Well to estimate a decimal the best option would be to round it to.

10 or 11 (For 10.9)

11 (For 11.1)

and since two of them equal 11. 

The estimation would be 11.

I hoped this helped.

3 0
3 years ago
Other questions:
  • What is the coefficient of the x-term in the expression 4x+5xy-2y
    7·1 answer
  • For a circle of radius 3 feet, find the arc lengths subtended by a central angle of 57 degrees.
    10·2 answers
  • How u do 15f+5g+45 in standard form
    15·1 answer
  • write an equation for the line that is parallel to the given line and passes through the given point y=5x-3 (4, 7)
    10·1 answer
  • What is 9 as a fraction with 6 as a denominator
    9·1 answer
  • BIg Points big answer and explanations
    12·2 answers
  • Please please help with this no links
    11·2 answers
  • (Quiz question 9) please only correct answers no links!
    13·1 answer
  • Cooper is blocking off several rooms in a hotel for guests coming to his wedding. The hotel can reserve small rooms, that can ro
    13·1 answer
  • 13. kara walks five days each week. this week she walked 7/8 mile on monday, 3/5 mile on tuesday, 4/10 on
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!