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Lubov Fominskaja [6]
3 years ago
13

A telephone company offers two different types of billing. The first option is to pay an initial $10 fee with an additional $0.0

9 per MB of data used. The second option is to pay an initial $16 fee plus an additional $0.07 per MB of data used.
Part A: Write a system of equations that will model the situation.

Part B: How many MB of data would you have to use in order for both plans to cost the same amount? Explain how you determined your answer.
Mathematics
2 answers:
Dmitriy789 [7]3 years ago
7 0

Answer:

whattttt?

Step-by-step explanation:

Dennis_Churaev [7]3 years ago
7 0

Answer:

for the second one It would take 300 MB

Step-by-step explanation:

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Help me out please!!!!
DedPeter [7]

Answer:

Answer (e)

Step-by-step explanation:

Note that this graph has a zero at x = 1 and a vertical asymptote at x = -4.  Only Answer (e) corresponds to that.  Try letting x = 1.  y is zero, correct?  Try letting x = -4.  y is undefined, correct?

7 0
3 years ago
Plz help! Thank you so much!
Sergio [31]

Answer:

I dont have idea what I need to the to help you

Step-by-step explanation:

3 0
3 years ago
What is the measure of angle ABC
vodka [1.7K]

Answer:

A

Step-by-step explanation:

7 0
3 years ago
For the function f(x) = 1/2 x + 1<br> Find f(2)
vfiekz [6]

Answer:

f(2) =2

Step-by-step explanation:

f(x) = 1/2 x + 1

Let x= 2

f(2) = 1/2 *2 +1

      =1 +1

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7 0
3 years ago
An article described a study of reading speed for undergraduate and graduate students. In a sample of 12 undergraduates, the mea
Elis [28]

Answer: (0.85,\ 3.15)

Step-by-step explanation:

Given : n_x=12\ ;\ \mu_x=4.8\ ;\ \sigma_x=1.9

n_y=24\ ;\ \mu_y=2.8\ ;\ \sigma_y=1.0

Significance level : \alpha: 1-0.95=0.05

Critical value : z_{\alpha/2}=1.96

Now, the confidence interval for difference of two population mean :-

\mu_x-\mu_y\pm z_{\alpha/2}(\sqrt{\dfrac{\sigma_x^2}{n_x}+\dfrac{\sigma_y^2}{n_y}}\\\\=4.8-2.8\pm(1.96)(\sqrt{\dfrac{(1.9)^2}{12}+\dfrac{(1.0)^2}{24}}\\\\\approx2\pm1.15\\\\=(0.85,\ 3.15)

Hence, the 95% confidence interval for the difference \mu_x-\mu_y=(0.85,\ 3.15)

4 0
3 years ago
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