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qwelly [4]
3 years ago
7

Simplify -(n + 2) + 3(n – 2)

Mathematics
1 answer:
hjlf3 years ago
4 0

Answer:

2n-4

Step-by-step explanation:

-n-2+3n-2 (here I distributed the negative to both parts)

2n-4 (gather the like terms)

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Please help me with this i dont know wht im doing
Elodia [21]

Answer:

D: The slope is 3

Step-by-step explanation:

To figure out the slope, which is always a constant, you simply figure out the average displacement using the points we already know. This is described by the equation y2-y1/x2-x1. Let's use the ordered pairs (-3, 2) and (-1, 8) to figure this out.

8-2/-1-(-3) = 6/2 = 3

Another method you could use is to graph the points and figure out how many units y has to go up for every x over, or the "rise over run"

Either way, your slope is 3.

8 0
3 years ago
Read 2 more answers
Jerry starts a savings account with his birthday money of $200. He deposites 10 each week into his account. What is the rate of
MAVERICK [17]

Answer:

C. 10

Step-by-step explanation:

it changes by positive ten each week

3 0
3 years ago
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A boogie board that has a regular price of $69 is on sale at a 35% discount. What is the sale price with 7% tax? Please show how
VashaNatasha [74]

Answer:

im pretty sure it is 47.99 dollars

Step-by-step explanation:

69x.35=24.15, 69-24.15=44.85, then 44.85x.07=3.1395, 3.1395+44.85=47.9895 but you have to round so it is $47.99

hope this helps :)

5 0
3 years ago
Read 2 more answers
Converting y-2=-3(x-4)
vitfil [10]
Get this equation into y=mx+b form.
y-2=-3(x-4)
y-2=-3x+12
y=-3x+12+2
y=-3x+14
Hope this helps!
And just a note, this is provided in point-slope formula, meaning there is a point on the line, (4,2), based on the initial equation.
5 0
3 years ago
Find the value of x. *BRAINLIEST*<br><br> A. 10<br> B. 8.3<br> C. 7<br> D. 5
bekas [8.4K]
3x-5 is a midline of that triangle so:

3x-5=\dfrac{1}{2}\cdot20\\\\\\3x-5=10\\\\3x=15\quad|:3\\\\\boxed{x=5}

Answer D.
3 0
3 years ago
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