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
klemol [59]
3 years ago
6

Please help will give brainliest :)

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
8 0

Answer:

68 is the perimeter

the answer would be 48.17

Step-by-step explanation:

to find the perimeter you have to add all the sides

You might be interested in
Of those women who are diagnosed to have early-stage breast cancer, one-third eventually die of the disease. Suppose a screening
Finger [1]

Answer:

A) Alternative hypothesis; Ha: p_o > ⅔

B) Null hypothesis;

H0: p_o = ⅔

C) There is sufficient evidence to support the claim that the community screening programme was effective

D) p-value = 0

Its less than the significance value and so we will reject the null hypothesis and conclude that the community screening programme was effective

Step-by-step explanation:

A) We are told that ⅓ of those diagnosed eventually die of the disease. Thus, ⅔ is the fraction that will survive the disease.

Thus, the null hypothesis is;

H0: p_o = ⅔

We are told that a screening programme was started to increase the survival rate. Thus,the alternative hypothesis is;

Ha: p_o > ⅔

B) null hypothesis is;

H0: p_o = ⅔

C) 164 out of the 200 women selected survived the disease.

Thus sample proportion is;

p^ = 164/200

p^ = 0.82

For the z-score value, we will use the formula;

z = (p^ - p_o)/√((p_o(1 - p_o)/n)

Now, p_o = ⅔ = 0.67

Thus;

z = (0.82 - 0.67)/√((0.67(1 - 0.67)/200)

z = 4.51

From online p-value from z-score calculator, we have p-value ≈ 0

This is less than the significant level of 0.05 and therefore we will reject the null hypothesis and conclude that the community screening program was effective.

D) p-value ≈ 0

Reject the null hypothesis

4 0
2 years ago
A rectangular storage container with an open top is to have a volume of 10 m3. The length of this base is twice the width. Mater
Gala2k [10]
L = 2 W
B = L x W = 2 W²
Side Area = 2 W H + 2 L H = 2 H ( W + L ) = 6 H W
V = 2 W² H = 10
H = 5 / W²
Cost = 15 * 2 W² + 9 * 5/W
= 30 W² + 270/ W 
C ` = 60 W - 270 / W² 
= ( 60 W² - 270 ) / W² = 0
60 W² = 270
W ² = 270 : 60
W² = 4.5
W = √ 4.5 = 2.12
Cost (min) = 15 * 2 * 4.5 + 30 / 2.12 = 135 + 14.15 = $149.15
Answer: The cost of materials for the cheapest such container is $149.15. 
8 0
2 years ago
Choose the correct graph to fit the equation 3y=2x+3​
Katyanochek1 [597]

Answer:

y = 2/3x + 1    

Step-by-step explanation:

<u>3y = 2x + 3 </u>           Divide all by 3

3       3      3

y = 2/3x + 1           Slope is 2/3

3 0
2 years ago
Read 2 more answers
write a system of linear equations in which (3,-5) is a solution of equation 1 but not a solution of equation 2 and (-1,7) is a
Ainat [17]

Answer:

Examine this system of linear equations.

y – 3x = –2,

y = 4

Which is a solution of the system of equations?

(0, 4)

(2, 2)

(2, 4)=this is the correct answer

(4, 2)

Step-by-step explanation:

thats the answer

(2,4)

4 0
3 years ago
A dependent system of equations is a system with __________.
andre [41]
The same line is written in two different forms
6 0
2 years ago
Other questions:
  • If you reflect triangle MOV across the y-axis, what is the coordinate of V' in the image?
    14·2 answers
  • Helppppppppp me pllllzzzzzzzz
    7·1 answer
  • Evaluate 12 (math).......
    5·1 answer
  • PLSSS SOMEONE HELP FAST PLS AND TY :) i only need #7
    14·1 answer
  • there are three colored balls in a bag red white and blue in order to win the game you must select the Red Ball 3 times in a row
    5·1 answer
  • Determine the measures of the angles requested using the picture below.<br>​
    13·1 answer
  • A pass to a water park is $58. A discount of 10% is given to customers at the end of the season.
    12·1 answer
  • Using the order of operations, which operation should be performed first? 3(7+2^2)-5
    11·2 answers
  • What is the distance between the points (11 , -17) and (-11 , -17) in the coordinate plane?
    8·1 answer
  • What is the percent decrease of the price of a bicycle if the original price was $120 and the sale price is $80?
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!