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zhuklara [117]
3 years ago
15

Katherine is considering two new cell phone plans she doesn’t want to spend more for minutes she won’t use one plan allows up to

250 minutes per month for $49 and the other plan allows up to 350 minutes per month for $65 in the last six months she used 1470 minutes use estimating an exact answer to you to determine the best cell phone plan for Katherine
Mathematics
1 answer:
padilas [110]3 years ago
7 0

Answer: The plan with 250 minutes is best because she Maximus uses only 245 minutes per month so just 5 min to spare. Also i used mental math


Step-by-step explanation:

1470 divided by 6 equals= 245 minutes exactly unless Katherine had rounded her answer



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What is the solution to this system of linear equations2x+3y=3 and 7x-3y24
Kay [80]

For this case we have a system of two equations with two unknowns:

2x + 3y = 3\\7x-3y = 24

We follow the steps below:

We add the equations:

9x = 27

We divide between 9 on both sides of the equation:

x = \frac {27} {9}\\x = 3

We substitute the value of "x" in the first equation and find the value of y:

2 (3) + 3y = 3\\6 + 3y = 3\\3y = 3-6\\3y = -3\\y = \frac {-3} {3}\\y = -1

Thus, the solution of the system is: (3, -1)

Answer:

(3, -1)

5 0
3 years ago
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A. what is the probability that none of the workers is afraid that they will never be able to retire?
Sedbober [7]
Zero.   because every worker will be afraid of to be retiered 
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3 years ago
Can someone help me
mafiozo [28]
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5 0
3 years ago
Kargil's temperature was recorded in a week from Monday to Saturday. All readings were in A.P. The sum of temperatures of Monday
rewona [7]

Answer:

Monday = -20

Tuesday = -20 + (-5) = - 25 degrees Celsius

Thursday = -20 + 3(-5) = - 35 degrees Celsius

Friday = -20 + 4(-5) = - 40 degrees Celsius

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Step-by-step explanation:

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3 years ago
3 There are 5 times as many boys as girls in a school.
Dafna1 [17]

Answer:

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Step-by-step explanation:

Given that:

There are 5 times as many boys as girls in a school.

Number of pupils in school = 810

Let,

x be the number of girls

y be the number of boys

According to given statement;

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y = 5x         Eqn 2

Putting y=5x in the Eqn 1

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Dividing both sides by 6

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Hence,

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3 years ago
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