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musickatia [10]
3 years ago
13

Please help don’t understand

Mathematics
2 answers:
algol [13]3 years ago
7 0

The range of the sprinkler will be the area of a circle with a radius of 40 feet.

area of circle = \pi r^{2}

area of circle = \pi (40^{2})

area of circle = 1600\pi = 5026.55 ft^{2} approx.

answer: 5026.55 ft^{2} approx.

Paul [167]3 years ago
3 0
The answer is b






Explanation
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Factor X^3-7x^2-5x+35
Vinil7 [7]
The answer would be
- (34x^3 - 35)
3 0
3 years ago
Read 2 more answers
A sample of 25 undergraduates reported the following dollar amounts of entertainment expenses last year:
Kaylis [27]

Answer:

A.

mean = 724.2

Median = 715

Mode = 768

B.

Range = 85

Standard deviation = 29.30

C.

Interval = [665.6, 782.8]

Step-by-step explanation:

Number of samples n = 25

Summation X= 769 + 691 + 699 +730+711+ 765+ 702 718 +719 +712+ 768 +688 +757+695 768 +735 +709 +758 +708+ 693 +736 700+ 687 +772 +715 = 18105

A.

1. Mean = 18105/25

= 724.2

2. Median is the middle value when arranged from the least value to the highest = 715

3. Mode is the number with the highest frequency = 768 (occured two times)

B.

1. Range = highest value - lowest value

Highest value = 772

Lowest value = 687

772-687 = 85

2. Standard deviation = √(X-barX)²/n-1

= √20604/25-1

=√858.5

= 29.30

Please check attachment for the full calculation of the standard deviation

C.

Interval

[Mean - 2(sd), mean + 2(sd)]

= [724.2-2x29.3, 724.2+2x29.3]

=[665.6, 782.8]

4 0
2 years ago
Can someone help me out please
Brums [2.3K]

Answer:

D. g(x) = (x - 5)² + 3

Step-by-step explanation:

If a graph is translated horizontally, the value will affect x inside of the parentheses. For example, (x + #) or (x - #).

If a function is translated to the right, there will be a (-) sign. If a function is translated to the left, there will be a (+) sign.

This function needs to be translated 5 units to the right. Therefore, the equation will be: g(x) = (x - 5)² + 3

7 0
3 years ago
HELP HELP HELP HELP HELP HELL
vitfil [10]

Answer:

it sould be D because rise over run.

Step-by-step explanation:

at the point its 5/6 and the only answer with that fraction is D. or it depends because if you're looking for the begening of the dotted lines then it's C .but if you're looking for end point then it's D. if you don't know ask me and ill see what i can do

3 0
3 years ago
Can someone please help me thanks!!!!!
natta225 [31]
Sorry what is the question I cannot see the question
3 0
3 years ago
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