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Sphinxa [80]
3 years ago
5

What number would you have to add to both sides to complete the square?

Mathematics
2 answers:
aleksandr82 [10.1K]3 years ago
5 0
X^2 + 12x = -6

x^2 + 12 x + 6^2 = -6 + 6^2

(x + 6)^2 = - 6 + 36

(x +6)^2 = 30

In the first step I had to add 6^2 = 36. The answer is option B. 36.
Viktor [21]3 years ago
5 0
I think the answer is A
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Mnenie [13.5K]
Dude that’s not an answer
6 0
2 years ago
How do u get this?? I know the answer but then I don't know why they shuld divide by 2 I will mark the person who explains wit p
Greeley [361]

Answer:

10.89

Step-by-step explanation:

Circle:

C = TTD

C = TT(6.6)

C = 20.73451151

C = 20.73

Triangle:

A = bh/2

A = 6.6(3.3)/2        6.6/2=3.3

A = 21.78/2

A = 10.89

Shaded Region = 10.89

5 0
2 years ago
Round 14.762 toy the nearest...<br> Tenth<br> Whole number<br> Hundreth
irina [24]

Answer:

tenth is 14.7 whole number is 15 hundredth is 14.76

3 0
2 years ago
Solve |2x - 1| + 3 = 6.
umka21 [38]

Answer:

x =2                         x = -1

Step-by-step explanation:

|2x - 1| + 3 = 6.

Subtract 3 from each side

|2x - 1| + 3-3 = 6-3

|2x - 1|= 3

An absolute value has two solutions, one positive and one negative

2x-1 =3                   2x -1 = -3

Add 1 to all sides

2x-1+1 =3+1             2x-1+1 = -3+1

2x = 4                      2x =-2

Divide by 2

2x/2 = 4/2                 2x/2 = -2/2

x =2                         x = -1

5 0
3 years ago
Read 2 more answers
The value of a machine when new is £8000. The value depreciates by 10% each year. Work out its value after 3 years
Sladkaya [172]
5,600

8000*.10(y)
8000*.10(3)
8000*.3
5600
8 0
3 years ago
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