2 years ago

F(x) = 5x – 2 slope of f =

Mathematics

1 answer:

devlian [24]2 years ago

3 0

Answer:

? we dint know

Step-by-step explanation:

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What is the equation in point-slope form of a line that passes through the points (7, −8) and (−4, 6) ?

nika2105 [10]

The slope-point form:

$y-y_1=m(x-x_1)$

The formula of a slope:

$m=\dfrac{y_2-y_1}{x_2-x_1}$

We have the points (7, -8) and (-4, 6). Substitute:

$m=\dfrac{6-(-8)}{-4-7}=\dfrac{14}{-11}=-\dfrac{14}{11}\\\\y-6=-\dfrac{14}{11}(x-(-4))\\\\\boxed{y-6=-\dfrac{14}{11}(x+4)}$

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3 years ago

Brad bought a toy truck and toy car for $8.72 the car cost $4.85 how much did the toy truck cost?

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3 years ago

How do I solve this equation? 3|13-2t|=15

Nikolay [14]

$3 |13 - 2t | =15$ ⇒ $|13-2t| = 15\div3$ ⇒ $\boxed {|13-2t| = 5}$

$\hbox {We have two equations : 1. } |13-2t|=5$
$2.|13-2t|=-5$

$\hbox{The first: }$ ⇒ $13-2t=5$ ⇒ $2t=13-5$ ⇒ $2t=8$ ⇒ $\boxed {t=4}$

$\hbox { The second: } 13-2t=-5$ ⇒ $2t=13-(-5)=18$ ⇒ $\boxed {t=9}$

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3 years ago

Read 2 more answers

Plz help will give brainliest need this asap

Ber [7]

Answer:

plz help and this is fro khan academy if it helps!

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Step-by-step explanation:

plz help and this is fro khan academy if it helps!

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3 years ago

3. What is the slope of the table shown? Cars Washed Number Money ($) 5 40 10 80 15 120 20 160

IceJOKER [234]

The slope is 8.
(5,40) (10,80)
80-40=40
10-5=5
40/5=8

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3 years ago