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
abruzzese [7]
2 years ago
6

Someone please help me im timed

Mathematics
1 answer:
Nikitich [7]2 years ago
3 0

Answer:

C

Step-by-step explanation:

All sides of a square are equal.

You might be interested in
An airline finds that 5% of the persons making reservations on a certain flight will not show up for the flight. If the airline
vivado [14]

Answer:

The answer to the question is;

The probability that a seat will be available for every person holding a reservation and planning to fly is 0.63307.

Step-by-step explanation:

Let the sample size =n = 100

The success probability = 5 % = 0.05

Number of tickets sold = 105 tickets

In the case where there the airline has found that 5 % will not show up, then every passenger should have  a seat, we have  

A Binomial distribution is appropriate where there is a chance for a certain number of successful outcomes from a number of independent trails

However n·p and n·q must be ≥ 5 for there to be a normal approximation of a Binomial distribution thus

n·p = 105×0.05 =  5.25 ≥ 5

and n·q = n(1 - p) = 105 (1 - 0.05) = 99.75 ≥ 5

As the requirements are met, we can proceed with the approximation of the Binomial distribution by the normal distribution

 z = \frac{x-np}{\sqrt{np(1-p)}  } = \frac{4.5 - 105*0.05}{\sqrt{105*0.05(1-0.05)} } =  - 0.3358

We therefore have P(x ≥ 5) = P( x > 4.5) = P(z > -0.34) = 1 - P(z < -0.34) = 1 -0.36693 = 0.63307

Another way to solve the question is as follows

p = 0.95 q = 0.05

μ = np = 0.95*105 = 99.75, σ = \sqrt{npq} = 2.233

P (x≤100) = P(z = P(z<0.34) = 0.63307.

6 0
3 years ago
A camera manufacturer spends $2,000 each day for overhead expenses plus $9 per camera for labor and materials. The cameras sell
mylen [45]
They must sell 250 cameras 
and 50 more cameras would be a $400 profit
6 0
3 years ago
Read 2 more answers
investments historically have doubled every 9 years. If you start will a $2,000 investment, how much money would you have after
azamat

Answer:

$64,000

Step-by-step explanation:

Friday, 45 / 9 = 5

So the investment will double 5 times

First time

2,000 (starting investment) × 2 = 4000

Second time

4000 × 2 = 8000

Third time

8000 × 2 = 16000

Fourth time

16000 × 2 = 32000

Fifth and final time

32000 × 2 = 64000

$64,000

7 0
2 years ago
There are 12 boys and 20 students. What is the ratio of girls to boys​
saw5 [17]
<h3>Answer: so 3 goes into 12 4 times and 5 times 4 is 20.   Step-by-step explanation: </h3>
8 0
3 years ago
PLEASE HELP 30 POINTS
Gelneren [198K]

Answer:

3 + 1(3) +3 (the dollar amounts)

3+3+3

9

0.5 + 0.1 +0.1 +0.1 +0.5 (the cents)

1.3

9 +1.3 = 10.30 worth of groceries using front end estimation

3 0
3 years ago
Other questions:
  • The most hard question of all time that i need help :(
    8·1 answer
  • What is 8 3/4% expressed as a fraction? A.8100 B.780 C.740 D.825
    7·2 answers
  • Kelly can type 120 words in 30 minutes how many words can she type in 1 minutes at this rate
    15·2 answers
  • PLEASE HELP ASAP WILL MARK BRAINLIEST
    10·1 answer
  • Pls help me solve this problem
    9·1 answer
  • Kaylee found the surface area, in square inches of a rectangular prism by using this formula.
    13·2 answers
  • Which represents the solution(s) of the system of equations, y = x2 – 2x – 15 and y = 8x – 40? Determine the solution set algebr
    5·1 answer
  • Plz help! 20 points, correct answer will be marked brainliest :)
    10·1 answer
  • I need help ASAP due in one min
    8·2 answers
  • A side of the triangle below has been extended to form an exterior angle of 165º. Find
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!