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
Nikolay [14]
3 years ago
7

Find the perimeter of the rectangle with points... W(6,9), X(9,7), Y(3,-2), Z(0,0)

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
5 0
Find the perimeter of the rectangle with points...
W(6,9), X(9,7), Y(3,-2), Z(0,0)

You might be interested in
the review words are, addend, addition, difference, number sentences, related facts, subtraction, sum
prisoha [69]
What's the question? tell me what you need to do with the words and i can help you.
8 0
3 years ago
if in the study of the lifetime of 60-watt light bulbs it was desired to have a margin of error no larger than 6 hours with 99%
Dahasolnce [82]

The question is incomplete! Complete question along with answer and step by step explanation is provided below.

Question:

The lifetime (in hours) of a 60-watt light bulb is a random variable that has a Normal distribution with σ = 30 hours. A random sample of 25 bulbs put on test produced a sample mean lifetime of = 1038 hours.

If in the study of the lifetime of 60-watt light bulbs it was desired to have a margin of error no larger than 6 hours with 99% confidence, how many randomly selected 60-watt light bulbs should be tested to achieve this result?

Given Information:

standard deviation = σ = 30 hours

confidence level = 99%

Margin of error = 6 hours

Required Information:

sample size = n = ?

Answer:

sample size = n ≈ 165

Step-by-step explanation:

We know that margin of error is given by

Margin of error = z*(σ/√n)

Where z is the corresponding confidence level score, σ is the standard deviation and n is the sample size

√n = z*σ/Margin of error

squaring both sides

n = (z*σ/Margin of error)²

For 99% confidence level the z-score is 2.576

n = (2.576*30/6)²

n = 164.73

since number of bulbs cannot be in fraction so rounding off yields

n ≈ 165

Therefore, a sample size of 165 bulbs is needed to ensure a margin of error not greater than 6 hours.

3 0
3 years ago
Can you please help for 10 points
VARVARA [1.3K]

Hello!

First of all, we can see that our y-intercept is 0. As you can see, for every 1 x value, we have 3 y values. We divide, giving us a slope of 3.

Therefore, our equation is y=3x.

I hope this helps!

7 0
3 years ago
Read 2 more answers
Draw a graph of Lin's distance of a function of time for this situation:
Pavlova-9 [17]

Step-by-step explanation:

Given

Lin walks half a mile at a constant rate i.e. Lin velocity is constant. So, in the graph, it will be a straight line through the origin.

Lin is still for five minutes and after she began sprinting for the slip up to halfway i.e. Lin is accelerating or velocity is increasing for the halfway and later she started walking for the rest of the way.

3 0
2 years ago
Curtis Corporation reports net income for 20X9 of $150,000.00. Curtis Corporation had (1 point)
timama [110]

Answer: $1.33.

Step-by-step explanation:

Earnings per share = (Net income - Preferred dividends) / Common shares outstanding

Preferred dividends = 10,000 shares * 50 * 10%

= $50,000

Earnings per share = (150,000 - 50,000) / 75,000

= $1.33

3 0
3 years ago
Other questions:
  • How much would $500 invested at 6% interest compounded monthly be worth after 4 years? Round your answer to the nearest cent
    8·1 answer
  • A triangle has an area of 9 square feet. the height is 6 feet. What is the length of the base
    15·2 answers
  • Olive can read 5 pages of her book in 30 minutes at what unit is olive reading
    13·1 answer
  • Solve the system of linear equations by addition<br> x+y=-9<br> x+y=5
    15·1 answer
  • PLEASE HELP! 30 POINTS! What are the zeros of the function?
    8·1 answer
  • What is the solution to 6x + 1 = 4x -3
    13·2 answers
  • I need someone to help me with my math assignments
    6·2 answers
  • Christmas present shhh:)
    15·1 answer
  • (6x + 1)(5x + 8) help please
    12·2 answers
  • 13 is 65% of what number?​
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!