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german
3 years ago
7

Help with this please

Mathematics
1 answer:
AysviL [449]3 years ago
6 0
A) The x-axis represents minutes used per month. The y-axis represents cost in dollars. Following the line of the graph indicating 60 minutes per month it shows Plan A costs $6 per month while Plan B costs $12 per month. 

Plan A is cheaper.

Difference in prices = cost of Plan B for 60 minutes per month - cost of Plan A for 60 minutes per month 

= 12 - 6 = $6 per month

b) To solve, identify where the lines of Plan A and Plan B intersect. Both lines intersect at 160 minutes per month.

Which plan costs less when less minutes are used? To solve, identify which line  has a lower cost on the y-axis. Plan A costs less if less than 160 minutes are used.
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Answer:

y=\frac{5}{4}x-3

Step-by-step explanation:

Hope this helps!

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3 years ago
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Someone please help and explain it would really help
Vaselesa [24]

So when you're solving for x here and distribute 8 on the right side, it would look like this:

8x+47=8(x+5)\\ \\ 8x+47=8x+40

Now in order to solve for x, we know we have to get all the x's on one side of the equal sign. Let's get all our x's to the left side. Since the right side has a positive 8x, you need to subtract 8x on the right. But whatever you do to one side you must do to the other. So since we are subtracting 8x on the right, we need to do that on the left.

But we can't! Since both sides will cancel out to zero before x can be solved.

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3 years ago
Whats 3/5 divided by2. I need help on bell work
jasenka [17]
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Look at the graph of connected points in the plane which make up a function,
mihalych1998 [28]

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A piece of wood is divided into three pieces in the ratio 6:8:4. The length of the longest pieces is 144cm. Calculate the length
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3.24m

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divide 144 by 8 to find 1 part of the ration then multiply this value by 6 and 4 for the remaining parts of the ratio

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