2 years ago

Hi hi I really really need help on this one I’m struggling pls pls I need this done I have a bit of Time left for my test

Mathematics

1 answer:

Basile [38]2 years ago

8 0

It moved up 3 units

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Write an equation for the line (4,7) and ( 1,1)2. Write an equation for the graph

Nastasia [14]

ANSWER:

$y=2x-1$

STEP-BY-STEP EXPLANATION:

We have that the equation in its slope-intercept form is the following:

$\begin{gathered} y=mx+b \\ m\text{ is the slope and b is the y-intercept } \end{gathered}$

The slope can be calculated as follows:

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

We use the points (4,7) and (1,1) to calculate the slope:

$m=\frac{1-7}{1-4}=\frac{-6}{-3}=2$

Now, we calculate the value of b, using the point (1,1) and the slope, like this:

$\begin{gathered} 1=1\cdot2+b \\ b=-2+1 \\ b=-1 \end{gathered}$

Therefore, the equation would be:

$y=2x-1$

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the answer is 8-2n=n+17 n=-3

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Vlad [161]

Answer: 69

Step-by-step explanation:

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2 years ago

Can you help me please?

Daniel [21]

59pounds * 5days = 295pounds

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Wrote out the units just for clarity! Liz payed 328.25 pounds altogether.

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Answer:

The x graph

Step-by-step explanation:

The x graph

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