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3 years ago

How do you explain how to get h(t)=7(t-25)

1 answer:

Nutka1998 [239]3 years ago

8 0

Hey There! :)

To Solve for t.
$h(t)=7(t-25)$
Distribute the brackets.
$h(t)=7*t-7*25$
$h(t)=7t-175$
Subtract 7t from both sides.
$(h(t))-7t=(7t-175)-7t$
$(h(t)-7t=-175$
$h*t-7t=-175$
Factor out variable, t.
$t(h-7)=-175$
Divide both sides by h-7.
$(t(h-7))/h-7=(-175)/h-7$
$t=-175/h-7$

Hope this helps!
-Benjamin

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Answer:

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Step-by-step explanation:

The cost of each plan (y) is the sum of the initial fee and the product of the mileage charge and the number of miles (x).

First Plan: y = 40 +0.13x

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We can find when the costs are the same by solving this system of equations. A way to do that is to subtract the second equation from the first:

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Multiplying by 20 gives ...

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Adding 260, we have ...

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2 years ago

Write an equation in slope-intercept form for the line with y-intercept −5 and slope −2/5

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Answer:

$\large\boxed{y=-\dfrac{2}{5}x-5}$

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I am against people doing this.

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