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serg [7]
3 years ago
8

Help me please!!!!!!!!!!

Mathematics
1 answer:
Inessa05 [86]3 years ago
8 0

Answer:

A

Step-by-step explanation:

Use the quadratic formula

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Solve this equation. 5n+7=7(n+1)-2n
9966 [12]
Distribute 7 to both n and 1

7(n + 1) = 7n + 7

5n + 7 = 7n + 7 - 2n

Combine like terms

5n + 7 = 7n - 2n + 7

5n + 7 = 5n + 7

If you want to solve for n, subtract 7 from both sides

5n + 7 (-7) = 5n + 7 (-7)

5n = 5n

then divide 5 from both sides

5n/5 = 5n/5

n = n

Effectively, this equation is <em>unsolvable</em>

hope this helps
3 0
2 years ago
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How do I solve (|x-3|+5|x|) ?
11111nata11111 [884]

Answer:

x≤0 ⇒|x-3|+5|x| = -6x + 3

0≤x≤3 ⇒ |x-3|+5|x| = 4x + 3

x≥3 ⇒ |x-3|+5|x| = 6x - 3

Step-by-step explanation:

Check the picture below.

6 0
3 years ago
What is one way that authors can come up with ideas for providing context for their readers?(1 point)
nataly862011 [7]

Answer:

Brainstorming i think

Step-by-step explanation:

8 0
2 years ago
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What is the answer!!! Pls reply!!
Ulleksa [173]
2 11/12 is your answer because 

3-2=1+1=2

and 4/12 - 3/12 = 1/12 + 10/12 = 11/12.
7 0
3 years ago
Given CDEFG ≌ HIJKL and CD = 12, DE = 13, EF = 10, FG = 11, and GC = 8, what is HI?
Licemer1 [7]
CDEFG \cong HIJKL \Rightarrow\overline{HI}=\overline{CD}
\\\Downarrow\\ \overline{HI}=12


5 0
2 years ago
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