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Ivanshal [37]
4 years ago
13

Jonas needs a cell phone. He has a choice between two companies with the following monthly billing policies. Each company’s mont

hly billing policy has an initial operating fee and charge per text message. Sprint charges $29.95 monthly plus .15 cents per text, AT&T charges $4.95 monthly plus .39 cents per text. Create equations for the two cell phone plans.
Mathematics
1 answer:
Galina-37 [17]4 years ago
5 0

Answer:

Since both companies have a different plan, two equations are created to determine which company Jonas should choose with respect to the number of messages sent.

Step-by-step explanation:

- Sprint = $ 29.95 * X (0.15)

- AT & T = $ 4.95 * X (0.39)

One dollar equals 100 cents, so 0.15 cents equals $ 0.0015 dollars.

- Sprint = $ 29.95 * X (0.0015)

- AT & T = $ 4.95 * X (0.0039)

Si Jonas envía 500 mensajes de texto el valor mensual de cada empresa sería de:

- Sprint = $ 29.95 * 500 (0.0015)  = <u>22.46</u> dollar per month.

- AT & T = $ 4.95 * 500 (0.0039)  = <u>9.65 </u>dollar per month.

The company Jonas should choose is AT&T.

AT&T also charges a little more per number of text messages, but since the phone's value is so low it would take thousands of text messages to compare to Sprint's monthly value.

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goldfiish [28.3K]
It will be -28x.

Hope this helps :)
6 0
3 years ago
Ms. Ringer asked her class, "What are the favorite colors of the students in our school?" Which student correctly describes Ms.
Paul [167]

Answer:

D

Step-by-step explanation: We know it's not A or B because a statistical question is a question that will vary. D has that exact response while C is not exactly what a statistical question is.

4 0
3 years ago
Solve 3^x−5 = 9. (3 points) Select one: a. x = −3 b. x = 2 c. x = 7 d. x = 8
goldfiish [28.3K]
ANSWER

C. x=7

EXPLANATION

The given exponential equation is

{3}^{x - 5} = 9

We rewrite the right hand side as 3 raised to exponent 2.

{3}^{x - 5} = {3}^{2}

Observe that the base of both sides of the equation are equal.

We now equate the exponents.

x - 5 = 2

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The correct choice is C.
4 0
4 years ago
Assignment due today Q-Q<br> 9 1/2=k/9
nikdorinn [45]

\huge\mathfrak\blue{answer}

= q -  \frac{q91}{2}  =  \frac{k}{9}

\blue{switch \: sides}

= \frac{k}{9}  = q -  \frac{q91}{2}

\blue{multiply \: 9 \: both \: sides}

=  \frac{9k}{9}  = 9q - 9 \: . \:  \frac{q91}{2}

\blue{lastly \: simplify}

=\underline {k = 9q -  \frac{{9q}^{91} }{2} }

(mark me brainliest if you're satisfied)

3 0
3 years ago
A vehicle purchased for $22400 depreciates at a constant rate of 9%.
Dennis_Churaev [7]

Answer:

$15 827

Step-by-step explanation:

The formula for the amount A of depreciation of an asset by an annual percentage rate is  

A = V(1 - r)ⁿ

where

n = number of years

r = annual percentage rate

V = value

Data:

n = 13 yr

r = 9 %  

V = $22 400

Calculations:

A = 22 400(1 - 0.09)¹³ =22 400(0.91)¹³ = 22 400 × 0.293 45 = $ 6573

So, the car lost $6573 in value because of depreciation.

Current value = 22 400 - 6573 = $15 827

8 0
4 years ago
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