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
qwelly [4]
2 years ago
6

Uma caixa contém 40 bolinhas de jogo de tênis, sendo 10 verde, 14 azuis e 16 vermelhas. Retirando uma bola ao acaso da caixa, qu

al a probabilidade desta bola ser vermelha? Assinale a alternativa correta, que representa a probabilidade desta situação.
qual dessas quatro e a resposta .
14 / 40
15 / 40
16 / 40
17 / 40
Mathematics
1 answer:
crimeas [40]2 years ago
3 0

Answer:

p = 15/40

Step-by-step explanation:

Since the total number of marbles is 40, that is our size of the sample. there are 16 red ones on that sample, so the probability of extracting a red marble from the box is given by the ratio of successes divided the total number of marbles:

p = 15/40

You might be interested in
Find f(-5) if f(x)=|x+1|
Grace [21]
F(x)=|x+1|
f(-5)=|-5+1|
f(-5)=|-4|
f(-5)=4. As a result, f(-5)=4 is the correct answer. Hope it help!
7 0
3 years ago
Read 2 more answers
What is the nearest 1/4 inch to 1 1/2 inches?
larisa86 [58]
1/4 would go into 11/2 1/22 I think....
4 0
3 years ago
Your station charges $16.50 for a lubrication job. As a promotion you sell six coupons for lubrication jobs for $90. What percen
Lena [83]
Multiply 6 by $16.50 to get the total amount = $99

now to get the percentage discount : 99-90 (which is the difference) / 99 (original price of what it should have been )

and then multiply by 100 to get the percentage discount

4 0
3 years ago
Read 2 more answers
Which is a better estimate for the weight of a double-decker bus
tia_tia [17]

Step-by-step explanation:

Coaches are typically sized to a height of 4.38 meters, whereas 'high-bridge' vehicles are usually around 20 centimeters higher. At an average height of 18.65 metres, integrated double-deckers are often permitted .

3 0
2 years ago
3x+8=2x+21<br> X=?<br> (all working out needed)
Dahasolnce [82]

Answer:

x=13

Step-by-step explanation:

3x=2x+21−8

3x=2x+13

3x−2x=13

x=13

8 0
2 years ago
Read 2 more answers
Other questions:
  • Which formulas can be used to find the surface area of a right prism where p is the perimeter of the base, h is the height of th
    7·1 answer
  • How do you find out the answer
    14·1 answer
  • Need help with this, thank you
    13·2 answers
  • What kind of toy are used to build 3 dimensionality models
    15·1 answer
  • On each 3 days, Derrick rode 6.45 km. to school, 150 meters to the library and 500 meters back home. How many kilometers did he
    8·2 answers
  • Find the percent change as an increase or decrease to 8 inches to 24 inches
    12·2 answers
  • The point (5,-12) lies on the terminal side of an angel theta in standard position. Find the exact value of cot theta. Express t
    8·1 answer
  • Find the simple interest paid to the nearest cent for each principal, interest
    13·1 answer
  • Pls help it's a redo assignment
    13·1 answer
  • Hank has 50 peso, 200 peso and 500 peso bills in his wallet. He has five less 200 bills as 50 bills, and half as many 500 bills
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!