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mezya [45]
3 years ago
10

The work of a student to solve the equation 3(3x − 4) = 8 + 2x + 5 is shown below: Step 1. 3(3x − 4) = 8 + 2x + 5 Step 2. 6x − 7

= 13 + 2x Step 3. 6x − 2x = 13 + 7 Step 4. 4x = 20 Step 5. x = 5 In which step did the student first make an error and what is the correct step? Step 2, 9x − 12 = 13 + 2x Step 2, 9x − 4 = 2(6 + x + 3) Step 3, 6x + 2x = 13 + 7 Step 3, 6x − 2x = 13 − 7
Mathematics
2 answers:
Nutka1998 [239]3 years ago
5 0
Welll 12 is the power of 12 so the sum of 32 is 12
Sauron [17]3 years ago
4 0
Student made an error in step 2. Correct step is 9x - 12 = 13 + 2x.
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Find the volume of a cone with a radius of 8 cm and height 15 cm? Round to the nearest tenth. Please show work.
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4 0
3 years ago
Use the rule to write the first five terms of the pattern.
AlekseyPX

Answer:

A =First term of the pattern = 11

To find the first five terms we have to use the rule which is

Add 10 to first term and then subtract 5 from it.Which is equivalent to

= A +10 -5

1. Second Term = 11 + 10 -5

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   =16

→Third term = 16 +10-5

        = 26 - 5

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→Fourth term : 21 + 10 - 5

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→Fifth term : 26 +10 -5

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→Sixth term:

=31 + 10- 5

= 41 -5

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So, the first five term apart from 11 is 16, 21,26,31,36 which is an Airthmetic progression.



4 0
3 years ago
Read 2 more answers
The Midpoint of GH is M(4,-3). One endpoint is G(-2,2). Find the coordinates of endpoint H.
77julia77 [94]

Answer:

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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