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dlinn [17]
2 years ago
12

You want to put a fence around your large yard. There are two companies that you have found to do the work. They have each given

you a quote for how much the work will cost. Of course, you want to find out which company will be the cheapest. The boundary of your yard is determined by five trees. The lines connecting them form the edge of your property. Shown below are the descriptions for the positions of the trees relative to your house.
TREE Position (relative to your house)
1 100 ft. east 2 40 ft east, 80 ft south 3 40 ft west, 120 ft south 4 90 ft west, 60 ft north 5 20 ft east, 110 ft north
STEP 1: On graph paper, mark the position of each of the trees on your land. Let each block of the graph paper represent a 10-foot by 10-foot square. Using a straightedge, connect Tree 1 to Tree 2, Tree 2 to Tree 3, Tree 3 to Tree 4, and so on.
STEP 2: Use the Pythagorean Theorem to find the length of each side of your property. Round
each answer to the nearest hundredth, if necessary.
STEP 3: Determine the perimeter of your property by adding up all of the sides.
STEP 4: Company 1 says that they will complete the job for $12 per foot of fencing. Company 2
says that they will charge you $250 for the first 100 feet of fencing and $15 for each additional foot. Determine the cost of fencing for both companies.

can you please tell me how did you break line of segment using Pythagoras theorem? ASAP please Its due in 5 hours from now.
thanks
Mathematics
1 answer:
11111nata11111 [884]2 years ago
6 0

Answer:

200

Step-by-step explanation:

balancing it with 120 is 76 so this what you get

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What is the probability that all three cards are face cards when you do not replace each card before selecting the next card rou
Ipatiy [6.2K]
Define three events A,B,C such that
A = first card is a face card
B = second card is a face card (assuming event A happens)
C = third card is a face card (assuming events A & B happen)
No replacements are made

There are 3 face cards (J, K, Q) per suit. There are 4 suits. In total, there are 3*4 = 12 face cards out of 52 total
P(A) = probability that event A happens
P(A) = 12/52
P(A) = 3/13

After event A happens, we have 12-1 = 11 face cards out of 52-1 = 51 total
P(B) = 11/51

After B happens, we have 11-1 = 10 face cards out of 51-1 = 50 left over
P(C) = 10/50
P(C) = 1/5

Based on how the events A,B,C are set up, we can form this equation
P(A and B and C) = P(A)*P(B)*P(C)
P(A and B and C) = (3/13)*(11/51)*(1/5)
P(A and B and C) = 11/1105
P(A and B and C) = 0.00995475113122

Rounded to the nearest tenth, the answer is simply 0.0 which is a lousy answer in my opinion because it implies that the answer is truly 0 instead of something really small. Though to be fair, the result is very close to 0. A much better approach is to round to the nearest hundredth to get 0.01; though I would ask your teacher for clarification and guidance.

note: a probability of 0 means that the event is impossible to happen, yet it is not impossible to pull out three face cards in a row. Is it unlikely? Yes. Because the result is roughly 0.00995 which is a really small decimal close to 0. But it's not 0 itself. 

6 0
3 years ago
Percentage Pete blue and purple marbles 40 in all and 16 are purple
konstantin123 [22]

Answer:

24 then is about 48%

Step-by-step explanation:

7 0
3 years ago
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Answer:

x = 4            x = -14

Step-by-step explanation:

|x + 5| = 9

The absolute value equation has a positive and negative solution

x+5 = 9   x+5 = -9

Subtract 5 from each side

x+5-5 = 9-5   x+5-5 = -9-5

x = 4            x = -14

8 0
3 years ago
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If you have a cylinder of 10 pennies and the mass of that cylinder is 30.0g and the mass of the cylinder is 4.50g, what is the a
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Answer:

so what you do is you divide 30 by 4.5 then when you get the density you divide that by the 10 pennies so you get the density of 1 penny

Step-by-step explanation:

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2 years ago
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Line C.... I think..... Sorry if I’m wrong
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