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soldier1979 [14.2K]
2 years ago
5

Problem 1: Joseph is going to buy a cell phone plan on his own. The most important thing for him is being able to text. So, he h

as narrowed down her choices to only 2 companies, Cell Text and Data City. Cell Text is charging $40 to start the service and $0.01 for each text message. Data City, on the other hand, is charging $25 for service and $0.05 for each text message. Question: How many text messages does Joseph need to send in order for Cell Text to be the cheaper service?
Mathematics
1 answer:
andriy [413]2 years ago
4 0

Step-by-step explanation: lol like a dozen

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Write a story, describe a situation, or invent a scenario that can be represented by a 2-step equation or inequality.
Elan Coil [88]

Answer:

Six friends spend $84 on dinner and split the bill evenly. Write a multiplication equation to solve how much each person paid. f=variable each person paid.

6f/6=84/6 f=14

Step-by-step explanation:

6f=84    

6/6f=84/6 cross out the sixes. Then, f=84/6. So, 84 divided by 6= 14. f=14. Each person paid $14.

YW!

4 0
3 years ago
Nevaeh invested $660 in an account paying an interest rate of 3% compounded
iris [78.8K]

Answer:

19

Step-by-step explanation:

Rate 1: 3  

4

1

​  

%=3+1/4=

\,\,3.25\%\rightarrow 0.0325

3.25%→0.0325

\text{Rate 2: }3\tfrac{1}{8}\%=3+1/8=

Rate 2: 3  

8

1

​  

%=3+1/8=

\,\,3.125\%\rightarrow 0.03125

3.125%→0.03125

\text{Calculate Final Amount for Nevaeh}

Calculate Final Amount for Nevaeh

\overline{\phantom{\text{Calculate Final Amount for Nevaeh}}}

Calculate Final Amount for Nevaeh

 

\text{Compounded Continuously:}

Compounded Continuously:

A=Pe^{rt}

A=Pe  

rt

 

P=660\hspace{35px}r=0.0325\hspace{35px}t=14

P=660r=0.0325t=14

Given values

A=660e^{0.0325(14)}

A=660e  

0.0325(14)

 

Plug in

A=660e^{0.455}

A=660e  

0.455

 

Multiply

A=1040.2744

A=1040.2744

Use calculator (with e button)

\text{Calculate Final Amount for Jonathan}

Calculate Final Amount for Jonathan

\overline{\phantom{\text{Calculate Final Amount for Jonathan}}}

Calculate Final Amount for Jonathan

 

\text{Compounded Monthly:}

Compounded Monthly:

A=P\left(1+\frac{r}{n}\right)^{nt}

A=P(1+  

n

r

​  

)  

nt

 

Compound interest formula

P=660\hspace{35px}r=0.03125\hspace{35px}t=14\hspace{35px}n=12

P=660r=0.03125t=14n=12

Given values

A=660\left(1+\frac{0.03125}{12}\right)^{12(14)}

A=660(1+  

12

0.03125

​  

)  

12(14)

 

Plug in values

A=660(1.0026042)^{168}

A=660(1.0026042)  

168

 

Simplify

A=1021.6468

A=1021.6468

Use calculator

\text{How much more money Nevaeh has:}

How much more money Nevaeh has:

1040.2744-1021.6468

1040.2744−1021.6468

18.6276

18.6276

\$ 19

$19

4 0
2 years ago
The area of a square is 16 inches what is the perimeter
AURORKA [14]
The perimeter is 16 inches.
5 0
3 years ago
Read 2 more answers
Which of the following is the solution to |x+8|=1?
KonstantinChe [14]

Answer:

-7 OR -9

Step-by-step explanation:

8-7 in the inside

Absolute value of 1 is 1

OR

8-9 in the inside for -1

Absolute value of -1 is 1

Absolute value signs makes everything positive

6 0
3 years ago
Read 2 more answers
What is the volume of the right triangular prism shown?
oksian1 [2.3K]

Answer:

area of the base triangle divided by two

Step-by-step explanation:

idk that's what Alexa said, sorry if it's wrong

5 0
2 years ago
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