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Fed [463]
3 years ago
6

What is 2(2x+1) equivalent to

Mathematics
2 answers:
Nostrana [21]3 years ago
6 0
2(2x+1)= (2 x 2x) + (2 x 1) = 4x + 2
Lostsunrise [7]3 years ago
3 0

So first you factor the equation out. you would get 4x + 2 since the 2 is factored to both the 2x and the 1. The answer to that is 4x +2. The final answer is 4x + 2 because you just wrote 2(2x+1) differently

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Write the equation. 5 more than a number times 2 is 2
suter [353]

(5 +n)\cdot2 = 2

3(2 -n) > 7

8 0
2 years ago
Which set of ordered pairs gives the polygon shown?
makvit [3.9K]
The correct answer is B.

Explanation
Since each interval mark is 1/4 of a unit, we will write this as 0.25.  For the first point, 4 interval marks to the left of the y-axis makes it a negative number; 4(0.25) = 1; this makes the x-coordinate of this point -1.  2 interval marks above the x-axis makes it positive; 2(0.25) = 0.5; this makes the y-coordinate 0.5.  This makes the first ordered pair (-1, 0.5).

The second point is on the y-axis.  This makes the x-coordinate 0.  It is 5 intervals above the x-axis; this makes it positive.  5(0.25) = 1.25 will be the y-coordinate, making the point (0, 1.25).

The third point is 3 intervals to the right of the y-axis; this makes it positive, and 3(0.25)=0.75 for the x-coordinate.  It is 3 intervals below the x-axis; this makes it negative, and 3(0.25) = 0.75, making the y-coordinate -0.75.  This puts the third point at (0.75, -0.75).
7 0
3 years ago
PLEASE HELP I WILL GIVE 50 POINTS!
Anastaziya [24]

Answer:

Domain: x is all real numbers

Range: y is less than or equal to 5

3 0
3 years ago
What is 8,236 rounded by tenths?
rusak2 [61]

I believe the answer is 8.2

8 0
3 years ago
Read 2 more answers
A cylinder closed tin of radius r cm is made from 600cm2 tin sheet of metal.
Zarrin [17]

Answer:

Note:  The expression "h =300- pi r /pi r" would equate to 299, as written.  I find h = (300 - πr^{2} )/πr to be the equation for height.

Step-by-step explanation:

The total surface area of a sylinder is 2πr(h+r) where h is the height and r is the radius.  That consists of top and bottom disks, each with an area of πr^{2}, for a total of 2πr^{2}.  The side is a  continous sheet that has an area of 2πrh, where h is the height.  2πr is the circumference of the can, so the surface area of the side is 2πrh.

The total surace area of a closed cylinder is therefore 2πr^{2} + 2πrh.

2πr^{2} + 2πrh = 600

πr^{2} + πrh = 300

πrh = 300 - πr^{2}

h = (300 - πr^{2} )/πr

7 0
2 years ago
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