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Zina [86]
3 years ago
14

The Rivera family went on a vacation. They started with $2000 dollars. If they spent $150 dollars each day, what expression repr

esents the amount of money they had after "x days"? What number is the constant of the expression? _____ What number is the coefficient of the expression? ___ What does the variable x represent? ________________ Write the expression represents the amount of money they had after x days? __________________________ *
Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
4 0

Answer:

Step-by-step explanation:

The Rivera family started with $2000 dollars and they spent $150 dollars each day.

After x days, the amount of money spent will be:

2000 - 150(x)

= 2000 - 150x

The expression is 2000 - 150x

The constant is 2000

The coefficient of x is -150

X represents number of days

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The width of a rectangle is 5 times the length. If the perimeter is 72, find the dimensions of the rectangle.
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Answer:

l=6

b=30

Step-by-step explanation:

b=5l

perimeter= 72

2(l+b)= 72

l+b= 36

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3 years ago
Two skateboarders, Ron and Bob, are traveling in opposite directions.Ton travels at 8 feet per second and bob travels at 10 feet
omeli [17]

Time taken before they are 2640 feet is 146.67 seconds

<em><u>Solution:</u></em>

The distance is given by formula:

distance = speed \times time

<em><u>Ton travels at 8 feet per second</u></em>

Let us assume, time taken = t

speed = 8 feet per second

Then, distance is given as:

Distance covered by Ton = 8t

<em><u>Bob travels at 10 feet per second</u></em>

Then, distance is given as:

Distance covered by Bob = 10t

How long will it take before they are 2640 feet

Which means,

Distance covered by Ton + Distance covered by Bob = 2640

8t + 10t = 2640\\\\18t = 2640\\\\Divide\ both\ sides\ of\ equation\ by\ 18\\\\t = 146.67

Thus time taken before they are 2640 feet is 146.67 seconds

<h3><u>Method 2:</u></h3>

Since trains are moving in opposite directions, their speeds must be added

speed = 8 + 10 = 18 feet per second

Given distance = 2640 feet

Therefore, time taken is:

time = \frac{distance}{speed}\\\\time = \frac{2640}{18} = 146.67 \text{ second }

Thus time taken before they are 2640 feet is 146.67 seconds

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A group of friends chartered a deep-sea fishing boat out of Destin, FL. The graph below represents the total cost, in dollars, o
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Answer:

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<em>Hope this helps!!</em>

<em>Sorry if it's incorrect!!</em>

<em>Have a nice day!!</em>

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