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Kazeer [188]
3 years ago
10

Skylar has a smart phone data plan that costs $50 per month that includes 7 GB of data, but will charge an extra $30 per GB over

the included amount. How much would Skylar have to pay in a month where she used 5 GB over the limit? How much would Skylar have to pay in a month where she used went over by xx GB?
Mathematics
1 answer:
Ksenya-84 [330]3 years ago
7 0

Answer:

If Skylar went 5 GB over the limit she will have to pay $200 for that month;

If she went "x" GB over the limit, she will have to pay 50 + 30*x.

Step-by-step explanation:

Skylar's plan has a fixed fee of $50 for any value of data usage that is below 7 GB, but charges an extra of $30 per GB over that. For cases where she went over the limit by "x" GB, the cost of her plan is given by:

cost(x) = 50 + 30*x

If she went 5 GB over the limit, she'll have to pay:

cost(5) = 50 + 30*5\\cost(5) = 50 + 150\\cost(5) = 200

She will have to pay $200.

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HELP WITH THIS EZ QUESTION
9966 [12]

Answer:

89

Step-by-step explanation:

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we evaluate when t=2

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so it's 89 feet

7 0
3 years ago
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Zoya asked the students of her class their baseball scores and recorded the scores in the table shown below: Baseball Scores Sco
nlexa [21]

Answer:

4.06

Step-by-step explanation:

Given :

Scores     Number of students

 0                     1

 1                      2

 2                     5    

 3                     3

 4                     6

 5                     7

 6                     9

To Find: Mean

Solution:

Mean = \frac{\text{Sum of all scores}}{\text{number of students}}

Mean = \frac{0 \times 1+1\times 2+2\times 5+3\times 3+4\times 6+5\times 7+6\times 9}{1+2+5+3+6+7+9}

Mean = \frac{134}{33}

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Hence, The Mean of baseball score is 4.06 .              

4 0
3 years ago
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Please help and thank you
ycow [4]

Answer:

D) 130 workers

Step-by-step explanation:

We have the equation, <em>y = 2x + 40</em>, and <em>y, 300</em> (since the y-coordinate represents the # of bottles made), so we can solve for x, <em>the number of workers needed</em>.

Substitute: <em>300 = 2x + 40</em>

Subtract: <em>260 = 2x</em>

Divide: <em>x = 130</em>

Since x = 130 when y = 300, 130 workers are required to make 300 bottles in a day.

4 0
3 years ago
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Rina8888 [55]

Answer:

5abc^2/35a^3c^3

Step-by-step explanation:

To bring the fraction: b/7a^2c to a denominator of 35a^3c^3, find the dividend when the 35a^3c^3 is divided by 7a^2c

=35a^3c^3/ 7a^2c

Recall that

a^x/a^y = a^x-y

Hence

35a^3c^3/ 7a^2c = 5a^3-2c^3-1

= 5ac^2

Now multiply the numerator and denominator by the result

b/7a^2c = (b * 5ac^2)/(7a^2c * 5ac^2)

Recall that

a^x * a^y = a^x+y

Hence

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7 0
3 years ago
Simplify. Rewrite the expression in the form bn.​
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