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
jok3333 [9.3K]
2 years ago
7

align="absmiddle" class="latex-formula"> in expanded form
-2\left(-y\right) in expanded form
-2\left(-6+-y\right) in expanded form
-2\left(-6-y\right) in expanded form

pls help me T^T
Complete the missing information in the puzzle.
4\left(a+-5\right)

Mathematics
2 answers:
Stels [109]2 years ago
5 0
1) 12
2) 2y
3) 12+ 2y
4) 12+ 2y

The puzzle one)
1st block: 4a
2nd block: -20
kifflom [539]2 years ago
5 0
Above is right i went over it :)
You might be interested in
What is one third 1/3 plus one seventh 1/7?
taurus [48]
10/21 Is the answer
 
20 characters 
202020202
7 0
3 years ago
Read 2 more answers
A large electronic office product contains 2000 electronic components. Assume that the probability that each component operates
KIM [24]

Answer:

The probability is 0.971032

Step-by-step explanation:

The variable that says the number of components that fail during the useful life of the product follows a binomial distribution.

The Binomial distribution apply when we have n identical and independent events with a probability p of success and a probability 1-p of not success. Then, the probability that x of the n events are success is given by:

P(x)=\frac{n!}{x!(n-x)!}*p^{x}*(1-p)^{n-x}

In this case, we have 2000 electronics components with a probability 0.005 of fail during the useful life of the product and a probability 0.995 that each component operates without failure during the useful life of the product. Then, the probability that x components of the 2000 fail is:

P(x)=\frac{2000!}{x!(2000-x)!}*0.005^{x}*(0.995)^{2000-x}     (eq. 1)

So, the probability that 5 or more of the original 2000 components fail during the useful life of the product is:

P(x ≥ 5) = P(5) + P(6) + ... + P(1999) + P(2000)

We can also calculated that as:

P(x ≥ 5) = 1 - P(x ≤ 4)

Where P(x ≤ 4) = P(0) + P(1) + P(2) + P(3) + P(4)

Then, if we calculate every probability using eq. 1, we get:

P(x ≤ 4) = 0.000044 + 0.000445 + 0.002235 + 0.007479 + 0.018765

P(x ≤ 4) = 0.028968

Finally, P(x ≥ 5) is:

P(x ≥ 5) = 1 - 0.028968

P(x ≥ 5) = 0.971032

3 0
3 years ago
Write 3^-4 as a fraction
Ad libitum [116K]

Answer: 1/3^4 or 1 over 3 fourths beacuse you need to just flip it to get the exponent to be positive. 3^-4 is basically 3^-4 over 1.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
A parking lot has ten parking spaces. There are the same number of cars parked in the parking lot as there are empty parking spa
Karolina [17]

Answer:

0.5

Step-by-step explanation:

Total space in the parking lot = 10

number of cars parked = p

number of empty parking spaces = e

There are the same number of cars parked in the parking lot as there are empty parking spaces.

This means,

Number of parked cars = number of empty parking spaces

p = e

If the number of parked cars and number of empty parking spaces = 10

p + e = 10

If p = 5

Then,

p + e = 10

5 + 5 = 10

Write a decimal to show the part of the parking lot that has empty parking spaces.

Empty parking space/total parking space

= 5/10

= 1/2

= 0.5

part of the parking lot that has empty parking spaces = 0.5

8 0
3 years ago
Helpppp!!
Marysya12 [62]
For the experimental probability you must record the data that you collect by flipping your own coin, then you must find the probability of landing on either side. For example, the theoretical probability for the coin toss it will be 50% chance for either side. For the experimental it depends on your own results.

3 0
3 years ago
Other questions:
  • 2 ¼ × 3 5/8<br><br> SHOW WORK!!
    5·1 answer
  • Find the original price of an item if it was on sale for $40 after a 25% discount.
    6·1 answer
  • The exponential smoothing forecast for period t + 1 is a weighted average of the
    7·1 answer
  • Plz help me figure out what -5(6+x) is
    12·2 answers
  • Sarah bought 18 eggs from the store.How many dozen eggs did she buy?
    8·2 answers
  • Identify the rule that correctly describes each sequence 12,8,4,0,-4.....
    14·2 answers
  • Which angles are coterminal with 3pi/2 ​
    11·1 answer
  • 4(x+15)=640<br><br> what does x equal?
    11·1 answer
  • I need help with this math question...what is 5^2+3
    10·2 answers
  • 7. A triangle has an area of 20 in². If the height of the
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!