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goldfiish [28.3K]
3 years ago
5

Simplify -12x + 5x. please need it to pas class 50 points and please only answer if correct

Mathematics
2 answers:
Gala2k [10]3 years ago
5 0

im so sorry but if you were thinking its right its wrong

-BARSIC- [3]3 years ago
4 0
-12x+5x=x(-12+5)=x(-7)=-7x
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Someone please help me thank you
alexandr1967 [171]
<h3>Answer: Slope = -3/4</h3>

slope = rise/run

rise = -3 ... move down 3 units

run = 4 .... move to the right 4 units

============================================

Work Shown:

m = slope

m = rise/run

m = (change in y)/(change in x)

m = (y2-y1)/(x2-x1)

m = (-17-(-2))/(24-4)

m = (-17+2)/(24-4)

m = -15/20

m = -3/4 is the slope

----------------

It basically means "move down 3 units, and move to the right 4 units"

So, slope = rise/run = -3/4

rise = -3 = move down 3 units

run = 4 = move to the right 4

You could express the slope as a decimal, and that would be -3/4 = -0.75, but you lose the rise and run values. So I recommend you keep the fraction.

Another problem with decimals is that sometimes we could have approximations that aren't exact. For example, if the slope was 2/3, then that approximates to 0.667 which may cause rounding errors down the line. Though I should point out that decimals do have their advantages in some cases.

5 0
3 years ago
A squirrel climbs up a tree. She starts at 0.5 feet up the tree, then climbs at a steady pace for 7.5 seconds. She ends 4 feet u
Xelga [282]

Given :

A squirrel climbs up a tree. She starts at 0.5 feet up the tree, then climbs at a steady pace for 7.5 seconds.

She ends 4 feet up the tree.

Solution :

Now, distance covered is :

d = 4 - 0.5 = 3.5 feet.

Time taken, t = 7.5 seconds.

Distance climbed per second is :

D =\dfrac{d}{t}\\\\D=\dfrac{3.5}{7.5}\\\\D = 0.467\ feet/s

Therefore, distance climber per second is 0.467 feet.

Hence, this is the required solution.

4 0
4 years ago
Select the expression that is equivalent to |4-3|
alexdok [17]

Answer:

5

Your're welcome!

3 0
3 years ago
so far, 18 of the 25 students in your class have turned in field trip permission slips . what percent of your classmates have tu
dezoksy [38]
25 - 18 = 7, 7/100, = 0.07, 7%
I'm not sure this is right but I believe it would be
6 0
3 years ago
Read 2 more answers
A) (x + y + 4).(x + y –4)
miv72 [106K]

Answer:

if you want to factorise it answer will be : (x+y)^2 - 4^2

and if you have to expand it anwer will be x^2 + y^2 + 2xy -16

5 0
3 years ago
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