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
fredd [130]
4 years ago
11

I have two coins. One is fair, and has a probability of coming up heads of.5. \text {The second is bent, and has a probability o

f coming up heads of} .75The second is bent, and has a probability of coming up heads of.75. If I toss each coin once, what is the probability that at least one of the coins will come up tails?
Mathematics
1 answer:
aniked [119]4 years ago
6 0

Answer:0.625

Step-by-step explanation:

Given

There are two coins one is fair and another is bent

Probability of getting a head on fair coin is 0.5

Probability of getting a head on bent coin is 0.75

If both coins are tossed once

probability of getting at least one of the coin will come up tails is

P=1-P(both\ heads)

P=1-0.5\times 0.75

P=1-0.375

P=0.625

You might be interested in
Complete the following statement.
Viktor [21]

Answer: dividend

Step-by-step explanation:……..

6 0
2 years ago
Read 2 more answers
3. There are four teams in the raquetball league on the island of Allendine. In a season, they play each other once. Three point
andrew-mc [135]

Answer and Step-by-step explanation:

Team: Points. Results fetching points

Arcadia. 3+1. 1 win & 1 draw

Brextone. 3+1. 1 win & 1 draw

Cremore 1+1. 2 draws

Dunross. 3+3. 2 wins

a) Based on the previous data, we can conclude that the number of matches drawn was 4

b) Dunross defeated cremore since cremore did not win any league game and dunross reported no ties

c) Yes, you can get a prediction of the matches with their respective results as follows

Brextone drew with Cremore

Dunross beat Arcadia

Arcadia beat Brextone

Arcadia drew with Cremore

Dunross beat Cremore

7 0
4 years ago
Read 2 more answers
A train averages a speed of 90 miles per hour across the plains and 37.5 miles per hour through the mountains. If a trip of 300
densk [106]
Let p and m represent the numbers of miles in the plains and mountains, respectively.
.. p + m = 300 . . . . . . . the whole trip was 300 miles

time = distance/speed, so the trip time can be written as
.. p/90 + m/37.5 = 3 48/60
.. 5p + 12m = 1710 . . . . . . . . . . multiply by 450 to put in standard form

You can solve these two equations by any of several means. The variable p can be eliminated by subtracting 5 times the first from the second.
.. (5p +12m) -5(p +m) = 1710 -5*300
.. 7m = 210
.. m = 30

30 miles of the trip was through the mountains.
5 0
3 years ago
Read 2 more answers
A sphere and a right cylinder have the same radius and volume. The cylinder has a height of 8 feet. Find the radius.
siniylev [52]

9514 1404 393

Answer:

  6 feet

Step-by-step explanation:

The volume of a cylinder is given by ...

  V = πr^2·h

For a sphere, the volume is ...

  V = 4/3πr^3

You want the volumes to be the same when h=8, so we have ...

  πr^2·8 = 4/3πr^3

Dividing by πr^2, we have ...

  8 = 4/3r

  r = 3/4·8 = 6

The radius is 6 feet.

8 0
3 years ago
Find two consecutive positive even integers such that the square of the first decreased by 64 equals 3 times the second.
IRINA_888 [86]

Answer:

10 and 12

Step-by-step explanation:

let the consecutive even integers be n and n + 2 , then

n² - 64 = 3(n + 2) ← distribute parenthesis

n² - 64 = 3n + 6 ( subtract 3n + 6 from both sides )

n² - 3n - 70 = 0 ← in standard form

(n - 10)(n + 7) = 0 ← in factored form

Equate each factor to zero and solve for n

n - 10 = 0 ⇒ n = 10

n + 7 = 0 ⇒ n = - 7

Since n must be a positive even integer then n = 10 and n + 2 = 10 + 2 = 12

The 2 numbers are 10 and 12

8 0
3 years ago
Other questions:
  • PLZ ANSWER ASAP!!!!!!!
    5·2 answers
  • Car a travels 0.5 miles per hour faster than car
    11·2 answers
  • An orchard has 30 rows of apple trees. There are 3 trees in each row. How many apple trees are in the orchard?
    5·2 answers
  • What is the range of the following function
    5·1 answer
  • Mark had 285 pencils in five boxes. He needed to put an equal number of pencils in each box. use the area model below to find th
    13·1 answer
  • The table and graph represent two different bus tours,
    7·1 answer
  • Help and explain please !!!!
    14·1 answer
  • Transformation mystery picture​
    9·1 answer
  • Perform the indicated operation. Show steps
    13·2 answers
  • Mr. Stevenson wants to purchase a new hat. The table below shows the prices of various hats. What is the difference, in dollars,
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!