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3 years ago

5

the cost per month of one cell phone plan is $30 plus and additional nickel for each text. write an equation that defines the to

tal monthly cost,c, as a function of the number of taxts,t

1 answer:

storchak [24]3 years ago

7 0

Y= 5c + 30 would be it I believe

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Is this table proportional or non-proportional? Explain your reasoning to why this table is proportional or non-proportional.

dolphi86 [110]

Non proportional hope this helps :)

8 0

3 years ago

This is really simple i just need help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Svetach [21]

It will stay the same.

$\frac{2(4)}{4} = 2$
$\frac{2(3)}{3} = 2$
$\frac{2(2)}{2} = 2$
$\frac{2(1)}{1} = 2$
No matter what you multiply 2 by, dividing it by the same number cancels it out, always leaving you with 2.

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3 years ago

The sum of two numbers is 39. Their difference is 21. What are the two numbers?

mrs_skeptik [129]

Answer:

30 and 9

Step-by-step explanation:

x+y=39 , x-y=21

Solve for x:

x+y=39 , x-y=21

x= 30

Substitute x with 30:

(30)+y=39 , (30)-y=21

Solve for y:

y=9

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Tamiku [17]

Answer:

60$ (b)

Step-by-step explanation:

we know that 20% of the total is peters - and peter has 12 dollars. We know that 20% 5 times gets us to 100%. So we multiply 12 by 5 to get a total answer of 60$

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3 years ago

Tessa bought stock in a restaurant for $160.00. Her stock is now worth $224.00. What is the percentage increase in the value of

Gala2k [10]

Answer:

64.00 was incressed

Step-by-step explanation:

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3 years ago

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