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
Gennadij [26K]
2 years ago
5

Hello! I need Help ASAP Im helping someone with their Homework TwT

Mathematics
1 answer:
Zina [86]2 years ago
4 0

Answer:

can you help me with this please? brainly.com/question/21634936

Step-by-step explanation:

You might be interested in
Question 1: find the volume of a cube whose total surface area is 486cm^2
lapo4ka [179]
<h3>The volume of cube is 729 cubic centimeter</h3>

<em><u>Solution:</u></em>

<em><u>The surface area of cube is given as:</u></em>

Surface\ area = 6a^2

Where, "a" is the length of side of cube

Given that, surface area = 486 square centimeter

486 = 6a^2\\\\a^2 = \frac{486}{6}\\\\a^2 = 81\\\\a = 9

<u><em>Find the volume of cube:</em></u>

volume\ of\ cube = a^3\\\\volume\ of\ cube = 9^3\\\\volume\ of\ cube = 9 \times 9 \times 9\\\\volume\ of\ cube = 729

Thus volume of cube is 729 cubic centimeter

8 0
3 years ago
In a certain assembly plant, three machines B1, B2, and B3, make 30%, 20%, and 50%, respectively. It is known from past experien
diamong [38]

Answer:

The probability that a randomly selected non-defective product is produced by machine B1 is 11.38%.

Step-by-step explanation:

Using Bayes' Theorem

P(A|B) = \frac{P(B|A)P(A)}{P(B)} = \frac{P(B|A)P(A)}{P(B|A)P(A) + P(B|a)P(a)}

where

P(B|A) is probability of event B given event A

P(B|a) is probability of event B not given event A  

and P(A), P(B), and P(a) are the probabilities of events A,B, and event A not happening respectively.

For this problem,

Let P(B1) = Probability of machine B1 = 0.3

P(B2) = Probability of machine B2 = 0.2

P(B3) = Probability of machine B3 = 0.5

Let P(D) = Probability of a defective product

P(N) = Probability of a Non-defective product

P(D|B1) be probability of a defective product produced by machine 1 = 0.3 x 0.01 = 0.003

P(D|B2) be probability of a defective product produced by machine 2 = 0.2 x 0.03 = 0.006

P(D|B3) be probability of a defective product produced by machine 3 = 0.5 x 0.02 = 0.010

Likewise,

P(N|B1) be probability of a non-defective product produced by machine 1 = 1 - P(D|B1) = 1 - 0.003 = 0.997

P(N|B2) be probability of a non-defective product produced by machine 2  = 1 - P(D|B2) = 1 - 0.006 = 0.994

P(N|B3) be probability of a non-defective product produced by machine 3 = 1 - P(D|B3) = 1 - 0.010 = 0.990

For the probability of a finished product produced by machine B1 given it's non-defective; represented by P(B1|N)

P(B1|N) =\frac{P(N|B1)P(B1)}{P(N|B1)P(B1) + P(N|B2)P(B2) + (P(N|B3)P(B3)} = \frac{(0.297)(0.3)}{(0.297)(0.3) + (0.994)(0.2) + (0.990)(0.5)} = 0.1138

Hence the probability that a non-defective product is produced by machine B1 is 11.38%.

4 0
3 years ago
45.Erica Glaser deposits a check for $20,005.00 and $1.234.00 in cash. What is het total
Gwar [14]
Her total is $21,239
5 0
3 years ago
What is the answer to this??
Firdavs [7]

Answer:

x=3

z=65

Step-by-step explanation:

6x+97 and 14x+73  are vertical angles which means they are equal

6x+97= 14x+73

Subtract 6x from each side

6x-6x+97= 14x-6x+73

97 = 8x +73

Subtract 73 from each side

97-73 = 8x+73-73

24 = 8x

Divide each side by 8

24/8 = 8x/8

3 = x

Now we need to find z

6x+97  and z are supplementary angles which means they add to 180

6x+97 +z = 180

6(3) +97 +z = 180

18+97+z=180

Combine like terms

115+z = 180

Subtract 115 from each side

115-115 +z=180-115

z = 65

3 0
3 years ago
PLEASE HELP ME I NEED THIS ANSWER ASAP!!! What is the area of this figure?
AnnZ [28]
A i am sure i hope this helps

8 0
3 years ago
Other questions:
  • ms.herrera put 40 pints of strawberries and cherries into ber freezer. if the ratio of strawberries to cherries is 2 to 3, how m
    13·1 answer
  • Suppose i uncharacteristically give you a multiple-choice test with 10 questions, each having 5 possible answers. how many possi
    12·1 answer
  • Juan delivers 174 newspapers every day. Edward delivers 126 more newspapers each day than Juan. Write an expression to show how
    6·2 answers
  • Tickets to the concert were $2.50 for adults and $1 for students. $1200 was collected and 750 tickets were sold. Write a system
    10·1 answer
  • Which what is the algebraic expression for nine less dense some number
    7·1 answer
  • The population of Ketchum high school has been decreasing by 5% per year. If it's population is currently 2,600 students, which
    7·1 answer
  • The Dean family is planning a car trip to atlanta, which is 279 miles from there home, they plan on driving 62 mph, with a 45 mi
    9·1 answer
  • Given: 3c + d = f + g, d = f, g = c + 8 Prove: c = 4
    10·1 answer
  • What value of x makes this proportion true? x/6=36/24 O A. 8 O B. 9 O C. 18 O D. 7​
    15·2 answers
  • The square root of 50x^4 y^6 z^7
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!