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lilavasa [31]
3 years ago
11

Can someone plz help?​

Mathematics
2 answers:
sattari [20]3 years ago
6 0

Answer:

Division property of equality

Step-by-step explanation:

What she did was ;

\frac{-3x}{-3} =\frac{3}{-3} \\\\x =-1

Aloiza [94]3 years ago
4 0
Division Property of Equality

It is division property of equality because Bianca divides both sides by -3.
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Lee watches TV for 3 hours per day. During that time, the TV consumes 150 watts per hour. Electricity costs (10 cents)/(1 kilowa
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Answer:

135 cent

Step-by-step explanation:

Given that:

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3 0
3 years ago
5 ≤ - 3x- 3 ≤ 10 solve the inequality for x
kaheart [24]

Answer:

<h3>- \frac{8}{3}  \geqslant x   \geqslant - \frac{13}{3}</h3>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • inequality
  • solving inequality
  • PEMDAS
<h3>given:</h3>

5 ≤ - 3x- 3 ≤ 10

<h3>to solve:</h3>

x

<h3>let's solve:</h3>

few notes about inequality

the direction of the inequality doesn't change if you

  • Add (or subtract) a number from both sides
  • Multiply (or divide) both sides by a positive number
  • Simplify a side

the direction of the inequality does change

if you

  • Multiply (or divide) both sides by a negative number
  • Swapping left and right hand sides

step - 1 : difine

5 \leqslant  - 3x - 3 \leqslant 10

step - 2 :  \\ add \: 3 \: in \: each \: sides

5 + 3 \leqslant  - 3x - 3 + 3 \leqslant 10 + 3

8 \leqslant  - 3x \leqslant 13

step - 3 :  \\ divide  \:  - 3\: from \: each \: sides \:  \\ and \: swap \: the \: inequalily

\therefore -  \frac{8}{3} \geqslant x \geqslant   - \frac{13}{3}

5 0
3 years ago
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