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
Black_prince [1.1K]
2 years ago
7

A box contains 75 red and 25 green light bulbs. it is found that 20 bulbs in the box are defective, of which 2 are red. what is

the probability that a bulb selected randomly from the box is either a red bulb or a defective bulb?
0.82
0.93
0.73
0.95
Mathematics
1 answer:
Afina-wow [57]2 years ago
8 0

Answer:

15 bulbs are red.

Step-by-step explanation: Because 75 is 3 times as big as 25 so every 1 green light bulb 3 red light bulbs will be deflective.

You might be interested in
What is the radius of a circle in it in if the area is 36m²?
allsm [11]

Answer:

B. 3.39 m

Step-by-step explanation:

r² = A/π

= 36/3.14

= 11.465

r = √11.465 = 3.39

4 0
2 years ago
How do I do this homework???​
Nonamiya [84]

Step-by-step explanation:

a)

135

/ \

3. 45

/ \

3. 15

/ \

3. 5

b)

250

/ \

10 .25

/\ / \

2 5. 5 5

c)

351

/ \

3. 117

/ \

3. 39

/ \

3. 13

Hope it helps :)

5 0
3 years ago
Pls help, will give brainliest
Zinaida [17]

Answer:

Acute Triangle :))

8 0
3 years ago
Read 2 more answers
Evaluate |-3| - |5|. - 8 - 2 2 8
Sedaia [141]
Is it subtract 228? if so then 3-5 equals -2. -2-8 equals -10. -10-228 equals -238
6 0
3 years ago
What is the value of the expression ? (243^2)^1/10<br><br> A.9<br><br> B.81<br><br> C.3<br><br> D.27
podryga [215]

(243^2)^{\tfrac 1{10}}\\\\=243^{\tfrac 2{10}}\\\\=243^{\tfrac 15}\\\\=(3^5)^{\tfrac 15}\\\\=3^{\tfrac 55}\\\\=3^1\\ \\=3\\\\\text{Hence the the answer is C.}

7 0
2 years ago
Other questions:
  • A sample of an unknown liquid has a volume of 24.0 mL and a mass of 6 g. What is its density?
    8·2 answers
  • What is the greatest perimeter of a rectangle with an area of 39 square feet?
    6·2 answers
  • How long will it take 4000 to grow to 9000 if it is invested at 7% compounded monthly
    9·1 answer
  • What is the probability of landing on an even number and then on a yellow section?
    6·1 answer
  • What is the correlation coefficient for the data shown in the
    6·1 answer
  • Marna is playing a game where you score -5 points each time you guess the correct answer. The goal is to get the lowest score. T
    5·1 answer
  • Pls help will give brainliest and pls give explanation
    15·1 answer
  • Help with domain and range.
    11·1 answer
  • Perform the indicated operations and simplify:<br> 8c + 5c - (5c+6)
    8·1 answer
  • What is the sale price of a hardcover book with a markdown of 46% and original price of 29.00 what is the discount amount
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!