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vagabundo [1.1K]
3 years ago
14

Please help! solve each inequality. check to justify your answer. -40 + r > -23

Mathematics
1 answer:
julia-pushkina [17]3 years ago
8 0

-40 + r > -23

Add 40 to both sides.

r > 17

<h3><u>The value of r is greater than 17.</u></h3>
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Write an equation of the line that passes through the given points (7,9),m =4
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Answer:

y = 4x - 19

You should also try solving it yourself to make sure I did not make any mistake.

Step-by-step explanation:

We already know the slope so, so far the equation should look like this.

y = 4x + b

Now we just need to insert the point into the equation. So point (7,9) 7 should replace the x and 9 will replace the y. It will look like this:

9 = 4 \times 7 + b

when you solve this equation you'll get b

b =  - 19

So the equation is

y = 4x - 19

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