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ki77a [65]
1 year ago
9

Lena is building a fence around her rectangular flower garden. The width is twice the length. The perimeter of the garden is 30

ft. What are the length and width of the garden?
Mathematics
2 answers:
Anna35 [415]1 year ago
6 0

Answer:

  • length: 5 ft
  • width: 10 ft

Step-by-step explanation:

The formula for the perimeter is ...

  P = 2(L +W)

We are also told the relation between length and width:

  W = 2L

Using these formulas with the given value of perimeter, we have ...

  30 = 2(L +2L)

  30 = 6L . . . . . . . simplify

  5 = L . . . . . . . . divide by 6

  W = 2(5) = 10 . . . find W using the value of L

The garden is 5 feet long and 10 feet wide.

Sonja [21]1 year ago
5 0

Answer:

Im not sure but i believe 60

Step-by-step explanation:

30x2=60

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Answer:

We can order 35 different types of pizza based on the toppings.

Step-by-step explanation:

There are 3 different types of pizza crust which a person can choose for his pizza. On Monday's company has introduced new campaign in which a person can choose extra toppings of his choice at no additional cost. The topping are of 7 different types. The total number of different pizza which a person can have is 7C3. Solving through computation technique we get 35.

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A student scored in the 85th percentile on her chemistry exam. What does this student's score mean in relation to those of the o
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Answer:

The answer is  

her score was in the top 85% of all test takers' scores.

Step-by-step explanation:

Percentile is the relative standing in a set of data from the lowest values to highest values.

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3 years ago
Sixty dash fivesixty-five percent of households say they would feel secure if they had? $50,000 in savings. you randomly select
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 To solve the following problems, we use the binomial probability equation:

P (r) = [n!/(n-r)! r!] p^r q^(n-r)

where,

n = total number of households = 8

r = number of sample

p = probability of success = 65% = 0.65

q = probability of failure = 0.35

 

A. r = 5

P (r=5) = [8! / 3! 5!] 0.65^5 0.35^3

P (r=5) = 0.28

 

B. r >5

P (r=6) = [8! / 2! 6!] 0.65^6 0.35^2

P (r=6) = 0.26

P (r=7) = [8! / 1! 7!] 0.65^7 0.35^1

P (r=7) = 0.14

P (r=8) = [8! / 0! 8!] 0.65^8 0.35^0

P (r=8) = 0.03

Therefore total is:

P (r>5) = 0.26 + 0.14 + 0.03 = 0.43

 

C. r ≤ 5

P (r ≤ 5) = 1 - P (r>5)

P (r ≤ 5) = 1 – 0.43

P (r ≤ 5) = 0.57

 

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Find the measures of the interior angles
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The question would help if there were a picture of the problem
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Step-by-step explanation:

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