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S_A_V [24]
3 years ago
9

Ali was asked to simplify the expression 3(x - 6) + (4x + 12) - 6x. His work is shown below.

Mathematics
1 answer:
liraira [26]3 years ago
6 0

Answer:

Step 2 is wrong.

It should be 3x – <u>18</u> + 4x + 12 – 6x

Explanation:

3(x – 6) + (4x + 12) – 6x →

3x – 18 + 4x + 12 – 6x →

(3x + 4x – 6x) + (-18 + 12) →

x – 6

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jeka57 [31]

Answer:

<h2>           \bold{a_n=5n-2}</h2>

Step-by-step explanation:

a_n=a_1+d(n-1)\\\\a_1=3\\d=5\\\\a_n=3+5(n-1)\\a_n=3+5n - 5\\a_n=5n-2

6 0
3 years ago
Solve for x: x/2x+3 + 2x+3/x = 184/65​
Marat540 [252]

Answer:

x/2x+3 + 2x +3/x = 184 /65

x(2x + 3)–1 + (2x+3)x-1 = 184/65

(2x + 3)x / (2x +3)x = 184/65

2x² + 3x / 2x² + 3x = 184/65

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6 0
2 years ago
Read 2 more answers
55 is 40% of what number
SCORPION-xisa [38]
You simply put 40 over a hundred and 55 over n (which is the number were trying to find)  so you do cross multiplication. 55 times a hundred and after you get the answer. You divide it by 40 and should get 137.5.
3 0
3 years ago
My family and I are so confused on this! Help please!
-BARSIC- [3]

Answer:

10) Correct

11) Each row is equal to 12 when you multiply them together.

12) 24

Step-by-step explanation:

12) You multiply 4*3*2 to get the volume of 24, which is also the number of cubes needed to make the shape.

<u>Please</u><u> give</u><u> brainliest</u><u> if</u><u> I</u><u> helped</u><u>!</u><u> </u><u>:</u><u>)</u>

3 0
2 years ago
Write the equation of the line graphed i will give brainliest
marissa [1.9K]

Answer:

y=0.8x

Step-by-step explanation:

take two points from the graph

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then do y2-y1/x2-x1

4-0/5-0

4/5=.8

6 0
3 years ago
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