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Verizon [17]
2 years ago
14

What value added to x^2+2x would complete the square?

Mathematics
1 answer:
svetlana [45]2 years ago
7 0
D is the only one which would make sense :)
You might be interested in
3x-y=1;d:{-3,-1,0,4}
Maslowich
First, rearrange the equation so that it is solving for y:
3x - y = 1
     +y   +y
3x = y + 1
-1         -1
3x - 1 = y
Now substitute the domain values you have listed into the 'x' of the equation to get the values for y.
For example:
3(-3) - 1 = y
-9 - 1 = y
y = -10
8 0
3 years ago
If there is an increase in the money supply that causes prices to rise and
andrew-mc [135]

Answer:

The answer is B.

Step-by-step explanation:

5 0
3 years ago
Dexter has 83 tiles left over from tiling his bathroom floor and he would like to use them to tile the front entrance of his hou
creativ13 [48]

Answer: [0, 396]

Step-by-step explanation:

The domain is the acceptable values of x in the function.  In this case, x = t, the number of tiles.  If you think about it, the minimum number of tiles is 0 (you can't have a negative number of tiles), and the maximum number of tiles is 44 (you only have 44 tiles).  So, the domain for this function is from 0 to 44.

0 to 44 written in interval notation is [0,44].

The range is the acceptable values of y in the function.  In this case, y = A, the area given.  A(t) = 9t, so you can use the acceptable values of t to get the range.  Again, the minimum area is 0 because you can't have negative area. To find the maximum area, plug in the maximum number of tiles: 9.

A(t) = 9t

A = 9(44)

A = 396

With the maximum number of tiles, 44, the area you get is 396 cm².  Therefore, the acceptable values of A are from 0 to 396.

0 to 396 written in interval notation is [0, 396].

4 0
3 years ago
What is the radius of the circle x2+y2=12
valkas [14]

Answer:

Step-by-step explanation:

x²+y²=r²

r²=12

r=√12=2√3

7 0
3 years ago
Find a rational number that is between 9.5 and 9.7
Luba_88 [7]
9.5000032 is one such number
3 0
3 years ago
Read 2 more answers
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