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Alex
3 years ago
5

The expression 2( 21x + 75 ) represents the monthly tuition and the one-time materials fee that Jamie pays for his two children

to join a science club. What do each of the following present, in context, for the above expression
Mathematics
1 answer:
ss7ja [257]3 years ago
8 0

Answer:  x represents the number of months, 150 represents one-time materials fee,  2( 21x + 75 ) represents total fees in x months and 42 represents rate of change.

Step-by-step explanation:

Since, Here the expression 2( 21x + 75 ) represents the monthly tuition and the one-time materials fee that Jamie pays for his two children to join a science club.

Let, f(x) represents the monthly tuition fee

Therefore, f(x)= 2( 21x + 75 )

⇒f(x)= 42 x +150

Again according to the question, there is a one-time materials fee which must be free from the variable.

Therefore In f(x) , 150 must represent one time material fees.

And, x is variable, and here number of months is a variable.

Thus, x must be denote the number of months.

And, 42 must be denote the fees for 1 month.



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A matatu carries 14 passengers per trip. In
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Answer:

"23,520"

Step-by-step explanation:

one trip: 14 passengers

one day: 3 trips

passengers: 80

80x14= 1,120

1,120x3= 3,360

3,360x7= 23,520

6 0
3 years ago
total of 393 tickets were sold for the school play. They were elther adult tickets or student tickets. The number of student tic
Andrews [41]
Answer: adult ticket = 131 , student ticket = 262

Explanation:

Let x be the number of student ticket
Let y be the number of adult ticket

x + y = 393

x = 2y

Substitute x value:

2y + y = 393
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Substitute y value in one of the equation above:

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3 years ago
What is the value of x in the equation 3x-4y=65, when y=4?
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Step-by-step explanation:

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5 0
3 years ago
Show two ways to make $5.25 with 6 coins
Katyanochek1 [597]

Answer:

I dont think you can make $5.25 with six coins

Step-by-step explanation:

4 0
3 years ago
Help! I will give brainliest, amazing rating, and thanks for answer!
prisoha [69]

First, let’s begin with part A of the question. To find the mean, we must find the average of Rolinda’s test scores by adding them all together and then dividing the sum by 5 (the number of test scores). This is shown below:

(85 + 85 + 60 + 62 + 59) / 5

351/5

70.2

Therefore, the mean of Rolinda’s test scores is 70.2.

Next, we should find the median, or the middle number of the sequence after we order the numbers from smallest to largest. This is shown below:

59, 60, 62, 85, 85

Since 62 is the middlemost number in the list, the median is 62.

Finally, we must find the mode, or the most common number in the list. Since 85 is the only number that occurs more than once, we know that the mode is 85.

Next, we move on to Part B. The measure that supports Rolinda’s claim that she is doing well in her Spanish class is the mode, because it is the highest measure out of the three.

The answer to Part C is as follows: This is misleading because the mode is not an accurate representation of all of Rolinda’s test scores and the range that they cover, it only represents Rolinda’s highest score, which she happened to score twice.

Hope this helps!

4 0
3 years ago
Read 2 more answers
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