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
kondor19780726 [428]
4 years ago
5

An instructor gives her class a set of 10 problems with the information that the final exam will consist of a random selection o

f 5 of them. If a student has figured out how to do 7 of the problems, what is the probability that he or she will answer correctly (a) all 5 problems? (b) at least 4 of the problems?
Mathematics
1 answer:
tiny-mole [99]4 years ago
4 0

Answer:

P

Step-by-step explanation:

(all 5 correctly) = (5 chosen among 7) / (5 chosen among 10)

You might be interested in
PLEASE HELP NOW<br> Solve the equation, then choose the correct answer: <br> -4(8 + 3y ) = 112
wolverine [178]

Answer:

y = -12

Step-by-step explanation:

-4 (8+3y) = 112

-32 -12y = 112

-12y = 144

y = -12

6 0
3 years ago
Read 2 more answers
Tanner collected 360 cans and bottles while fundraising for the baseball team this was 40% of what Ricky collected how many cans
vekshin1

Answer:

the answer 504

Explanation:

360*0.40=144

so they said 40% reggie collected main mor than 40% collected so you need to do add like 360+144=504

6 0
3 years ago
What are the solutions to the nonlinear system of equations below? Check all that apply x ^ 2 + y ^ 2 = 4 (x ^ 2)/(2 ^ 2) - (y ^
Licemer1 [7]

Answer:

hey did you happen to get the answer for this?

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
121,580 rounded to the nearest fhousand
lilavasa [31]
The answer is 122,000 
8 0
4 years ago
What does this mean expand 3(x+4)
finlep [7]

Answer:

3x+12

Step-by-step explanation:

Expanding is basically the opposite of simplifying an equation, in order to expand you just multiply everything out

Here we have

3(x+4)

which just means

3*(x+4)

which is

3*x+3*4\\=3x+12

6 0
3 years ago
Other questions:
  • After reading a book for English class, 100 students were asked wether or not they enjoyed it. Nine twenty-fifths of the class d
    5·2 answers
  • Which set is a function?
    15·1 answer
  • An equation of a line with slope 0
    10·1 answer
  • Which of the following inequalities contains the solutions graphed on the number line below? *
    15·1 answer
  • Can someone plz help me solved this problem I need help plz help me! Will mark you as brainiest!
    13·1 answer
  • 10p+9−11− p=−2(2p+4)−3(2p−2)
    5·1 answer
  • joe bought 4 kilograms of apples at the cost of $12. How much he would pay for 11 kilograms of same apples​
    5·1 answer
  • Im here again. THANK YOU SM (Crxxom) for helping me. you'll make me pass 7th grade!
    9·2 answers
  • PLEASE SHOW YOUR WORK AND HOW YOU GOT IT Valerie swam one lap in S seconds, faster than Peter by 4 seconds. Which of the followi
    7·1 answer
  • What's fish + nine?<br> I NEED HELP!?
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!