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Mathematics : asked on moomoo2233
 02.06.2020

You buy a cell phone plan that gives you up to 1000 minutes of calling for $20 per month. During a particular month, you use only 100 minutes. What is your per-minute cost for that month?

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24.06.2023, solved by verified expert
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Bhaskar Singh Bora
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Mathematics, Physics. Q&A Expert
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Hello Cassidy,
To solve this problem, you could use a proportion to solve for your question. I have attached the work as well. On the top of your fractions, can be the money. On the bottom is the minutes. Note: these can be interchangeable, as long as all your numeric values (numbers) and variables are in the right place. Then cross-multiply. Solve the equation for your answer (money for minutes). I used the variable m, as I find it helps if it relates to your problem. M is for money. Hope this helps!
You buy a cell phone plan that gives you up to, №17887476, 02.06.2020 08:59
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Mathematics
You buy a cell phone plan that gives you up to 1000 minutes of calling for $20 per month. During a particular month, you use only 100 minutes. What is your per-minute cost for that month?
Step-by-step answer
P Answered by PhD
Hello Cassidy,
To solve this problem, you could use a proportion to solve for your question. I have attached the work as well. On the top of your fractions, can be the money. On the bottom is the minutes. Note: these can be interchangeable, as long as all your numeric values (numbers) and variables are in the right place. Then cross-multiply. Solve the equation for your answer (money for minutes). I used the variable m, as I find it helps if it relates to your problem. M is for money. Hope this helps!
You buy a cell phone plan that gives you up to 1000 minutes of calling for $20 per month. During a p
Mathematics
The last time Robert filled up his car with gas, he paid $24.50 for 7 gallons. This time, he needs 15 gallons. If the price is the same, how much will he pay?
Step-by-step answer
P Answered by PhD

Cost of 7 gallons=$24.50

Cost of 1 gallon=24.50/7=3.5

Cost of 15 gallons=15*3.5=52.5

Cost of 15 gallons will be $52.5

Mathematics
Anthony received $150 for his birthday this year. This was $10 less than half the amount he received last year. How much money did Anthony receive for his birthday last year?
Step-by-step answer
P Answered by PhD

The answer is in the image 

The answer is in the image 
Mathematics
A new school randomly assigns a six-character student code to every prospective student. The school uses the characters 1, 2, 3, 4, 5, X, Y, and Z. If none of the student codes contain a repeated character, what is the total number of codes that can be randomly assigned?
Step-by-step answer
P Answered by PhD

The total nom of  code that can be used is equal to 5+3 = 8

Mathematics
The ratio of tables to chairs at the furniture store is 1:6. There are 30 chairs. How many tables are there?
Step-by-step answer
P Answered by PhD

The solution is in the following image

The solution is in the following image
Mathematics
A 4300-N force from a car s engines produces an acceleration of 3.3 m/s2. What is the mass of the car? A. 4300 kg B. 1300 kg C. 14,000 kg D. 390 kg
Step-by-step answer
P Answered by PhD

F=ma

where F=force

m=mass

a=acceleration

Here,

F=4300

a=3.3m/s2

m=F/a

    =4300/3.3

    =1303.03kg

Approximately it is aqual to 1300kg

Mathematics
Which number is the smallest? 4.4 ⋅ 10−5, 3.99 ⋅ 10−6, 2.6 ⋅ 102, 1.85 ⋅ 103
Step-by-step answer
P Answered by PhD

The answer is in the image 

The answer is in the image 
Mathematics
Stefania pure 2 liters of orange juice and 1.5 liters of pineapple juice into a punch bowl how many kiloliters are in the punch bowl
Step-by-step answer
P Answered by PhD
The answer is in the image 

The answer is in the image 

Mathematics
Thomas got a haircut from the barber. If the haircut costs $32 and he wants to leave a 18% tip, how much will he pay in total?
Step-by-step answer
P Answered by PhD

Here,

tip=18%of $32

tip=(18/100)*32

=0.18*32

=$5.76

Total payment=32+5.76=$37.76

Mathematics
If a european swallow flies 15 meters every 1 second how many would kilometers would it fly in 15 minutes
Step-by-step answer
P Answered by PhD

Speed=Distance/time

Here,

distance=15m

time=1sec

speed=15/1=15m/sec

Distance=Speed*time

time=15min=15*60sec=900sec

Distance travelled in 15 min=15*900=13,500m

=13500/1000 km=13.5Km

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