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sp2606 [1]
3 years ago
13

A group of eight golfers paid $445 to play a round of golf. Of the golfers, one is a member of the club and seven are nonmembers

. Another group of golfers consists of three members and two nonmembers. They paid a total of $195 . What is the cost for a member to play a round of golf, and what is the cost for a nonmember?
Mathematics
2 answers:
sukhopar [10]3 years ago
3 0

Answer:

the cost for a member to play a round of golf: $95

the cost for a nonmember: $50

Step-by-step explanation:

the cost for a member to play a round of golf: $x

the cost for a nonmember: $y

x+7y=445

x+2y=195

=> y=50, x=95

amid [387]3 years ago
3 0

Answer:

member: $95, nonmember: $50

Step-by-step explanation:

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Here are the answers to the questions above:
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3 0
3 years ago
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A regression of y = calcium content (g/L) on x = dissolved material (mg/cm2) was reported in the article "Use of Fly Ash or Sili
MatroZZZ [7]

Answer:

a) The slope = 0.144 , means that an increase in dissolved material by 1 mg/cm^2 will lead to an increase in Calcium content by 0.144 g/l

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b) 10.878

c) S ≈ 1.99

Step-by-step explanation:

a) The slope = 0.144 , means that an increase in dissolved material by 1 mg/cm^2 will lead to an increase in Calcium content by 0.144 g/l

while the coefficient of determination = 0.869 , means that 86% of the variation ( natural ) of calcium content is explainable using the Linear model.

<u>B) Point estimate of true average calcium content </u>

Given that dissolved material = 50 mg/cm^2

= 3.678 + 0.144 * dissolved material

=  3.678 + 7.2 =  10.878

<u>C) Determine an estimate of error standard deviation </u>

Given that ; sum of squares ( SST ) = 320.398

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first;  calculate the value of SSE = SST - SST ( r^2 )

SSE = 320.398 - 320.398 ( 0.86) ^2

       = 83.43

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S^2 = SSE / n -2

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6 0
3 years ago
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horsena [70]

Answer:

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change 1 \frac{8}{9} to an improper fraction

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5 0
3 years ago
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<h3>Graph of Linear Equations</h3>

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The graph of the given system of equation is shown below

From the graph,

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4 0
1 year ago
Help and ill give brainliest and thank you and 5 stars if correctly
katen-ka-za [31]

Answer:

0.4

0.3

0.04

0.2

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Step-by-step explanation:

Hope this helps :)

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