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lukranit [14]
3 years ago
13

Both Need To Be Checked :-)

Mathematics
2 answers:
Arte-miy333 [17]3 years ago
7 0

Answer:

B for the first one and it is correct.

x - 4 = - 7 for the second one and it is correct.

Step-by-step explanation:

Left hand panel

<em><u>2x + 5 >  9</u></em>

2x + 5 >  9            Subtract 5 from both sides.

2x + 5 - 5 > 9 - 5  Collect like terms

2x > 4                   Divide by 2

x > 4/2

x > 2

Right Hand Panel

5x ≤ 30     Divide by 5

5x/5 ≤ 30/ 5

x ≤ 6

Your answer is Correct. (B)

Right hand panel

It's not the normal procedure. Usually when you have an absolute value the next step would be

x - 4 = 7 and you add four to both sides. The question is very poorly constructed and it is meant to fool you, but it didn't. You got this one right as well. Both correct.


Tems11 [23]3 years ago
6 0
I think u should check the first one again u made a mistake but the second one is correct if u need any more help ask me
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nikitadnepr [17]
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3 years ago
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lawyer [7]

Answer:

2.-2m^4-6m^2+4m+9

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Step-by-step explanation:

<em>In general we can write a polynomial in standard form as </em>

ax^n+bx^n^-^1+cx^n^-^2+...+px+q

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<em>We have 4m-4m=0</em>

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<em>This is in decreasing order of powers.</em>

<em>Hence the answer is the standard form is</em>

-2m^3-6m^2+9

<em>But in the given options, you can choose option 2 and option 3 are in standard form.</em>

<em>Because they are in decreasing order of powers.</em>

<em>In other two options, the constants term is first and the highest power term is at the last. So, they are not in standard form.</em>

<em>-2m^4-6m^2+4m+9</em>

<em>-2m^4-6m^2-4m+9</em>

<em>I hope this helps you.</em>

<em>And please comment if I need to do corrections.</em>

<em>Please let me know if you have any questions.</em>

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