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GuDViN [60]
2 years ago
7

Which of the following expressions is equal to 3x2 + 27 ?

Mathematics
1 answer:
djverab [1.8K]2 years ago
6 0

Step-by-step explanation:

The answer is provided in the options. The answer should have been A, if the question was 3x²-27.

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Z = { x:x is an integer, x ≥ - 3 and x ≤ + 3}​
tankabanditka [31]

Answer:

If this is asking for the set:

Z = {-3, -2, -1, 0, 1, 2, 3}

Step-by-step explanation:

Z is the set of all integers and it appears that you are being asked for the values in the set Z that are within the range:  -3 ≤x ≤ 3

5 0
2 years ago
16% of a number is 60. What is that number?<br><br> A375<br> B 432<br> C 456<br> D753
Vlad1618 [11]

Answer:

Its A: 375

Because, if you take 26.6 you have to round it. So, the 6 behind the decimal is over 5 so make the other 6 in front of the decimal a 7. So, the 7 will add 1 to the 2 to make it 3. And i forgot how to get the 5, but trust me dis is right. :3

4 0
3 years ago
Brainliest for anyone if they get this CORRECT.
steposvetlana [31]

(x + 8)(x - 6)

to factorise consider the factors of - 48 which sum to + 2

These are + 8 and - 6 thus

x² + 2x - 48 = (x + 8)(x - 6)

3 0
3 years ago
Read 2 more answers
3 more than w divided by 7 is 9
svlad2 [7]
3 + [_] ÷ 7 = 9

[_] ÷ 7 = 9 - 3

[_] = 6 x 7

[_] = 42

to check, just put 42 in the empty place and solve
5 0
3 years ago
Geometry 1.4 - Segment Addition Postulate &amp; Midpoint
Roman55 [17]

Answer:

28

Step-by-step explanation:

AB + BC = AC

14 + 3x-4 = 4x+4

Combine like terms

10 +3x = 4x+4

Subtract 3x from each side

10+3x-3x = 4x+4-3x

10 = x+4

Subtract 4 from each side

10-4 =x-4+4

6 =x

We want AC

AC = 4x+4 = 4*6+4 = 24+4 = 28

4 0
3 years ago
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