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Gwar [14]
3 years ago
15

Which expression is equivalent to 3(2x−4)+4x−2

Mathematics
2 answers:
Readme [11.4K]3 years ago
5 0
I hope this helps you



3.2x-3.4+4x-2


6x-12+4x-2


10x-14
Oksana_A [137]3 years ago
5 0
Simple...

you have: 3(2x-4)+4x-2

simplify-->>>

3(2x-4)+4x-2

Get rid of the parentheses....(distribute the 3)

3*2x=6x

and

3*-4=-12

6x-12+4x-2

Now add your apples and oranges--->>>

10x-14

Thus, your answer.
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Equation Given: <img src="https://tex.z-dn.net/?f=h%28t%29%3D-4.9t%5E%7B2%7D%2B358" id="TexFormula1" title="h(t)=-4.9t^{2}+358"
Vilka [71]

Answer:

At 3.44 seconds, the penny is at a height of 300 meters above the ground.

Step-by-step explanation:

Basically, we have to solve an equation here:

-4.9t^{2} + 358 = 300

Hence,

-4.9t^{2} = 300 - 358

t^{2} = \frac{-58}{-4.9}

t = 3.44

Hence, at 3.44 seconds, the penny is at a height of 300 meters above the ground.

Hope this helped!

4 0
2 years ago
A ramp slopes from a warehouse door down to the street. The height of the ramp is 5 feet, and the ramp ends 10 feet from the bas
Tomtit [17]
If you graph this, your first point will be at (0,5), as the ramp is at the warehouse door but 5 feet up. The second point is (10,0) as it is touching the ground but it's 10 feet away from the warehouse.
To find slope, you do (y2-y1)/(x2-x1).
When substituting in the variables, you get (0-5)/(10-0), which is -5/10, which is simplified to -1/2. Of course, that is when the warehouse is Quadrant II. If you look at it from another point of view, the slope will be positive so your answer is A) 1/2.
If this was unclear feel free to comment :)
3 0
3 years ago
Read 2 more answers
If 8 pounds of bananas cost $3.68, what is the cost per<br> pound?
12345 [234]

Answer:0.46

Step-by-step explanation

3.68 divided by 8 = 0.46

3 0
3 years ago
Read 2 more answers
the perimeter of a rectangular field is (16a+8b-6c) units and one of its side is (5a+3b-4c) find the other side
Jet001 [13]

3a+b+c


The perimeter is two times one side (to account for the opposite) and two times the adjacent side. So if the sides would be x and y, the perimeter would be 2*x + 2*y.

So, knowing that the sum is 16a+8b-6c, if we subtract the given side 5a+3b-4c from this, what remains is two times the "other" side:

16a+8b-6c - 2*(5a+3b-4c) =

16a+8b-6c -10a-6b+8c =

6a+2b+2c

half of that is

(6a+2b+2c)/2 = 3a+b+c

7 0
3 years ago
PLEASE HELP ASAP (timed) <br> Twice the sum of the square of 12 and five
Dmitry [639]

(12^2 + 5) x 2

There you go. I wasn't sure if I was supposed to write an equation or...

= 298

3 0
3 years ago
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