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
yarga [219]
3 years ago
8

A coin is flipped 3 times what is the probability that heads appears twice

Mathematics
1 answer:
blondinia [14]3 years ago
7 0
Note that the chances of a head and a tail appear in a single toss is 1/2
(1/2)^3 =0.125
You might be interested in
Jonathan is building an outdoor staircase for his deck. He uses 8 screws for every 2 steps. If there are 14 steps, how many scre
4vir4ik [10]

Answer:

56 screws

Step-by-step explanation:

So, first we can find how many screws he needs.

So,  if he uses 2 steps for 8 screws, and has 14 steps, that means he puts screws in 7 steps ( 14÷2)

then, if he uses 8 screws, each with 8 steps, we can do 8 times 7, which is 56 screws

3 0
3 years ago
What is 7/7-1/5= ?<br> Is it.....<br><br> 8/12<br><br> 18/35<br><br> 28/35<br><br> 6/35
Elza [17]
1-(1/5)= 4/5 or 28/35 if you multiply top and bottom by 5
8 0
3 years ago
What dose 5d-10= using two word expressions
Naddik [55]
Maybe 5 multiplying or adding the value of d subtracting 10 equals 
8 0
3 years ago
Find the value of x..
shepuryov [24]

Answer:

The answer is 116

Step-by-step explanation:

Because this shape is a quadrilateral, so the sum of the angles of a quadrilateral is a total of 360 degrees. So i added 90 + 90 + 64 = 244. And 360 - 244 = 116.

3 0
3 years ago
Read 2 more answers
Find the area of each triangle o the nearest tenth.
blagie [28]

Answer:

A is , 18.1058 B is  , 24.91575

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • What is the answer of 3[4(2³)-5²+7(8+4²)-16]?
    7·1 answer
  • What is the solution to the system of equations? y=2x 6 3x-y=6
    5·1 answer
  • A deli that just opened was giving out free mini sandwiches. A sample of 50 likely customers was surveyed about which sandwich t
    12·1 answer
  • Stefanie spends entire allowance one month she spends 1/2 of a on new clothes 1/4 on food 1/6 on movies and 1/12 on Music how mu
    11·1 answer
  • Please help and explain
    10·2 answers
  • If an 8 hour workday includes a total break time of 14 5/8% how many hours are used for breaks? Round your answer to the nearest
    13·1 answer
  • Please help me please help no links
    7·1 answer
  • A $400 suit is marked down to $260. Find the percent of markdown.
    15·2 answers
  • Expressions Task Card # 3
    5·1 answer
  • 9. Evaluate:
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!