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3 years ago

What should I do ?? how do I do it

Mathematics

2 answers:

aev [14]3 years ago

6 0

Answer:

Step-by-step explanation:

national cell= 0.15t+5

world wireless= .19t

its asking for when world wireless is cheaper so

0.19t< 0.15t +5; t<125

adelina 88 [10]3 years ago

6 0

Answer:

Step-by-step explanation:because you need to remember that the flat fee is 5.00 so as long as you dont send 5.00 worthof texts with world wireless you save money vs having national cell .19t needs to be less than .15t+5 so d is the only logical anwer

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Mademuasel [1]

12-9=3
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3 years ago

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3 years ago

Find the slope and y-intercept of -x + 2y = 3. I need help on working this problem out

natita [175]

Answer:

So the slope of this function is $\frac{1}{2}$ and the y-intercept is $\frac{3}{2}$

Step-by-step explanation:

A first order function has the following format:

$y = ax + b$

In which a is the slope and b is the y-intercept, that is, the value of y when x = 0.

We have the following equation:

$-x + 2y = 3$

We just have to rewrite this equation

$2y = x + 3$

$y = \frac{x+3}{2}$

$y = \frac{x}{2} + \frac{3}{2}$

Which means that

$a = \frac{1}{2}, b = \frac{3}{2}$

So the slope of this function is $\frac{1}{2}$ and the y-intercept is $\frac{3}{2}$

6 0

3 years ago

Enter the slope-intercept equation of the line that has a slope of -5 and y-intercept (0,8)

Genrish500 [490]

Slope-intercept form is y = mx + b, where the variable m represents the slope of the line and the variable b represents the y-intercept. Because we are given these values, all we have to do is plug in the given values into the equation for their respective variables.

y = mx + b

y = -5x + 8

Therefore, your answer is y = -5x + 8.

Hope this helps!

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3 years ago