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maw [93]
3 years ago
7

You are thinking about switching cell phone carriers because you don't get very good cell coverage at your new apartment. Verizo

n is offering a new deal on monthly data packages for smartphone. After paying a $45 access fee, each GB of data is $7.50. Write a recursive formula for the monthly cost of a smartphone data package at verizon.
Mathematics
1 answer:
oksano4ka [1.4K]3 years ago
6 0

Answer:

y= 7.5x+45

Step-by-step explanation:

Let your data consumption in terms of GB be represented by x. Since you must first pay access fee and each data costs $7.5 per GB then it means in case you need 1 GB data you will pay 7.5(1)+45, similarly, when you need 2 GB data you will pay 7.5(2)+45, for 3 GB you will also pay 7.5(3)+45. For n GB you will pay 7.5(n)+45 hence the equation representing your data expenditure will be y=7.5x+45 where y is the total expenditure.

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8 0
2 years ago
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Kelko will rent a car for the weekend. She can choose one of two plans. The first plan has an initial fee of $57 and cost an add
Delicious77 [7]

Questions (contd)

(a) For what amount of driving do the two plans cost the same?

(b) What is the cost when the two plans cost the same?

Answer:

(a) 100 miles

(b) $65

Step-by-step explanation:

Given

Plan 1:

Initial\ Fee = \$57

Additional = \$0.08 per mile

Plan 2:

Initial\ Fee = \$50

Additional = \$0.10 per mile

Solving (a): Number of miles when both plans are equal

Represent the distance with x and the cost with y

So:

Plan 1:

y = 57 + 0.08 * x

Plan 2:

y = 50 + 0.10 * x

To solve (a), we equate both plans together; i.e.

y = y

57 + 0.08x = 50 + 0.10x

Collect Like Terms

0.08x - 0.10x= 50 - 57

-0.02x= -2

Solve for x

x = -2/-0.02

x = 100

Hence, 100 mile would cost both plans the same

Solving (b): Cost when both plans are the same:

In this case, we simply substitute 100 for x in any of the y equation.

y = 57 + 0.08 * x

y = 57 + 0.08 * 100

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7 0
2 years ago
What is the constant of proportionality between y/x
Y_Kistochka [10]

Answer:

3.5

Step-by-step explanation:

To find the constant of proportionality between y/x you investigate the trend in values of x with corresponding values of y

For this case, when x =1, y=3.5

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Taking in case 1, y/x = 3.5/1 = 3.5

In case 2, y/x= 7/2 = 3.5

But you know that the constant of proportionality k is given by;

y=kx------------------------making k subject of formula

y/x=k

Hence in this case, your constant of proportionality is 3.5

8 0
3 years ago
Delia has 3 5/8 yards of ribbon. About how many 1/4 yard-long pieces can she cut?
tester [92]

Wait is it not at all 14.5 or 14 1/2 Because with the math I did I got 14 1/2

6 0
2 years ago
Quadrilateral ABCD ​ is inscribed in a circle.
alexdok [17]
When a quadrilateral is inscribed in a circle, the opposite angles are supplementary.

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The measure of angle A is 135 degrees.

Hope this helps =)
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3 years ago
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