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barxatty [35]
3 years ago
14

A racquetball club charges $10 for a one-month trial membership. After the trail month, the regular membership fee is $12 per mo

nth.
A. Write an equation that gives the total cost of a membership (C) as a function of the length of membership (m) in months. Explain how you got that answer.

B. Find the cost of the membership after 8 months.
Mathematics
1 answer:
Furkat [3]3 years ago
5 0
Membership is discounted $2 for first month
c=cost of one month
d=discount=$2
x=# of months
xc - 2= total cost
x for 1 month is 1, c is always 12, -2 is constant
1 x(12) - 2=10 for first month
8 months
8c -2=total cost for 8 months
8 x 12 - 2= 94 for 8 months

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Solve: <br>x + y = 7<br>3x - 2y = 11<br><br>By using Substituting method.​
Salsk061 [2.6K]

\large\underline{\sf{Solution-}}

\sf  \longmapsto x + y = 7 \: \: - - - (i)

\sf  \longmapsto 3x - 2y = 11 \: \: - - - (ii)

<u>By first equation,</u>

\sf  \longmapsto x + y = 7

\sf  \longmapsto x = 7 - y

<u>Now, we can find the original value of y.</u>

\sf \longmapsto 3x - 2y = 11

\sf  \longmapsto 3(7 - y) - 2y = 11

\sf  \longmapsto 21 - 3y - 2y = 11

\sf  \longmapsto 21 - 5y = 11

\sf  \longmapsto - 5y = 11 - 21

\sf  \longmapsto - 5y =  - 10

\sf  \longmapsto y = \dfrac{ - 10}{ - 5}

\sf  \longmapsto y = 2

<u>Now, we can find the original value of x.</u>

\sf  \longmapsto x + y = 7

\sf  \longmapsto x + 2 = 7

\sf  \longmapsto x = 7 - 2

\sf  \longmapsto x = 5

Therefore, the values of x and y are 5 and 2 respectively.

8 0
3 years ago
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Sandy multiplies 2*5*7*2*5*7*2*5 and writes the product as a counting number.What is the sum of the digits of this counting numb
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Answer:

The sum of the digit of the product is 13

Step-by-step explanation:

Given

2*5*7*2*5*7*2*5

Solving (a): The product

Product=2*5*7*2*5*7*2*5

Product=49000

Solving (b): The sum of the digits

Sum = 4 + 9 +0 +0+0

Sum = 13

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3 years ago
FR.EE POINTS HAVE A GOOD DAY 100PTS :)
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Answer:

Thank u so much have a good day too

5 0
3 years ago
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What is the probability of the complement of rolling a number less than 5 by using a six-sided die?
Inessa05 [86]
<h3><u>Answer:</u></h3>

Hence, the probability of the complement of rolling a number less than 5 by using a six-sided die is:

1/3

<h3><u>Step-by-step explanation:</u></h3>

Let A denote the event of rolling a number less than 5 in a six-sided die.

Now, we know that the Total outcomes are: 6

since, the sample space is given as: {1,2,3,4,5,6}

Also Number of favorable outcomes are: 4

since the numbers which are less than 5 are {1,2,3,4}

Now we have to find:

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where P denotes the probability of an event and A^c denote the complement of event A.

We know that:

P(A^c)=1-P(A)

Now,

P(A)=\dfrac{4}{6}\\\\P(A)=\dfrac{2}{3}

Hence,

P(A^c)=1-\dfrac{2}{3}\\\\P(A^c)=\dfrac{3-2}{3}\\\\P(A^c)=\dfrac{1}{3}

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Answer:

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Step-by-step explanation:

To get the city in which the watch is cheaper, what we need to do is to express the price of the watch in the same currency.

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from our conversion formula;

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We can calculate this by subtracting the value in Geneva from the value in Manchester

That would be 145-125 = £20 cheaper

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