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neonofarm [45]
3 years ago
9

Mr. Key just his phone bill for the year. The total cost of the bill was $120

Mathematics
2 answers:
Evgen [1.6K]3 years ago
8 0

Answer:

$10/month

Step-by-step explanation:

frozen [14]3 years ago
4 0
The first one because 12 x10 equals 120
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What is the equation of the line passing through the points (3,6) and (2,10)
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Answer: y= - 4x+18

Step-by-step explanation:

Equation: y=mx+b

***remember: b is the y-intercept and m is the slope.

m=\frac{y2-y1}{x2-x1}

3= x1

2= x2

6= y1

10=y2

m=\frac{10-6}{2-3}= \frac{4}{1}= -4

m=-4

Now we have y=-4x+b , so let's find b.

You can use either (x,y) such as (3,6) or (2,10) point you want..the answer will be the same:

   (3,6). y=mx+b or 6=-4 × 3+b, or solving for b: b=6-(-4)(3). b=18.

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Equation of the line: y=-4x+18

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3 years ago
Which expression is equivalent to 3(6m)+m?<br> A)19m B)21m C)7m+3 D)18m+6m(with exponent 2)
julsineya [31]
A) 19m because 3 times 6 is 18 then you add m, which would be 19m
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3 years ago
Put the following equation of a line into slope-intercept form, simplifying all fractions. 3x-5y= -30
anastassius [24]

Slope intercept form is y=mx+b. So let's use the given equation and turn it into this form.

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Move the -3x to the right side

-5y=-3x-30

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This should be your answer, let me know if you need any clarifications, thanks!

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Step-by-step explanation:

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