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mrs_skeptik [129]
3 years ago
10

you were charged $51.50 last month for data usage on your smartphone. your data plan charges a monthly fee of $20 plus $2.50 for

each extra gigabyte used. how many extra gigabytes did you use last month?
Mathematics
1 answer:
Charra [1.4K]3 years ago
7 0
I think the answer is 12.6 extra gigabytes because:

20 - 51.50 = 31.50

31.50 / 2.50 = 12.6
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Which is the better deal?
aliina [53]

Answer:

36 oz

Step-by-step explanation:

Get the other options down to 12oz units for their price and then you can compare which one is the cheapest for 12oz.

12oz = $1.99

36oz/3 = 12oz   so $2.59/3   = $ .86

48oz/4= 12oz   so $3.99/4  = $1.00

60oz/5= 12oz   so $4.59/5 = $ .92

So looking at the breakdown, the 36oz one is the cheapest because for that price for a third of it comes out to .86 cents.

3 0
3 years ago
Use substitution to solve the system<br><br> 2y - 8 = x<br><br> 2x + 3y = -2
devlian [24]

Answer:

x=2y-8

We use the substitution of x in the second equation

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4y-16+3y=-2

7y-16= -2

7y= -2 +16

7y=14

y=14Ș7

y=2

so x= 2*2 -8

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the solution is  (x,y)=(-4, 2)

Step-by-step explanation:

7 0
3 years ago
The ratio of clown fish to angel fish at a pet store is 5:4 the ratio of angel fish to goldfish is 4:3 there are 60 clown fish a
padilas [110]
There is 4 angel fish and 3 goldfish
3 0
3 years ago
Part D<br> Now group the terms in the expression in part C using the Associative Property.
Mkey [24]

Answer:

70 + (-30) + 2 + (-9) + 0.3 + (-0.1) = [70 + (-30)] + [2 + (-9)] + [0.3 + (-0.1)] explanation:

Exact answer

7 0
3 years ago
What is 6C3? As in, how many ways can you choose 3 objects out of 6 objects, where order DOES NOT matter?
marysya [2.9K]
You could find this by doing 6 * 5 * 4, or 6 choices * 5 choices * 4 choices = total choice combinations.
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3 years ago
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