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3 years ago

8g - 5g =24. (For a test)

Mathematics

2 answers:

lorasvet [3.4K]3 years ago

7 0

Answer:

8g-5g=24.

We move all terms to the left:

8g-5g-(24.)=0

We add all the numbers together, and all the variables

8g-5g-24=0

We add all the numbers together, and all the variables

3g-24=0

We move all terms containing g to the left, all other terms to the right

3g=24

g=24/3

g=8

Step-by-step explanation:

djyliett [7]3 years ago

3 0

Answer:

Step-by-step explanation:

8g-5g=24

8-5=3

3g=24

3g/3=24/3

g=8

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Answer:

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And for the other case we have a cost of 155 and we want to find the number of miles associated so we can do this:

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Step-by-step explanation:

For this case we can define the following notation:

m= represent the miles travelled

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For this case we have the following two points given:

$(x_1 = 225, y_1 = 80) , (x_2 = 350, y_2 = 105)$

And we want to find a function:

$C (m) = b_1 m + b_0$

We can find the slope with this formula:

$b_1= \frac{105-80}{350-225}= \frac{25}{125}=0.2$

And then we can use the point $(x_1 = 225, y_1 = 80)$ to find the intercept $b_o$ and we got:

$80 = 0.2*225 +b_0$

$b_0 = 80-45 = 35$

So then the linear function is given by:

$C(m) = 0.2 m + 35$

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$C(m =475) = 0.2*475 + 35 = 130$

And for the other case we have a cost of 155 and we want to find the number of miles associated so we can do this:

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