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WINSTONCH [101]
3 years ago
7

Expand and simplify. (3x+1)(2x+4)​

Mathematics
1 answer:
Delvig [45]3 years ago
6 0
First (3x*2x)+(3x*4)+(1*2x)+(1*4)
(6x^2)+(12x)+(2x)+(4)
6x^2+14x+4 (devide by 2)
3x^2 +7x +2
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(420 + 144) / 6 =
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4 0
3 years ago
Which system of equations below has infinitely many solutions?
Zolol [24]

Answer:

The answer is B

Step-by-step explanation:

2x+2y =10 and y= -x +5

These are not in the same form so thats the first step

2x+2y=10

we minus 2x from both side which turns into

2y=-2x+10 (the variable always comes first)

Secon step is to divide 2 from the y to everything so 2y divided by 2 = y

-2 divided by 2 is -x and 2 divided by 10 is 5 and now you have the same equations which leads to infinite

y=-x+5

6 0
3 years ago
If a cars mass is 1,208kg what is it's weight in newtons?
Marysya12 [62]
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8 0
4 years ago
Is 29.9 a rational, integer, whole number or all of the above?
coldgirl [10]

Answer:

It is in integer

Step-by-step explanation:

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5 0
3 years ago
Is this a function?
Elanso [62]
I don’t think so but I could be wrong
6 0
3 years ago
Read 2 more answers
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