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ozzi
3 years ago
8

|-(-9)|= Can someone explain to me how do I do this?

Mathematics
2 answers:
soldi70 [24.7K]3 years ago
7 0

Answer:

Step-by-step explanation: you want to distribute the negatives into then -9 making the 9 a positive. Then the bars are absolute value. So the answer is 9

Alexandra [31]3 years ago
3 0

Answer

9

Step-by-step explanation:

This is because you are trying to find the absolute value of -(-9). The absolute value is how far away from zero a number is. -(-9) is 9 away from zero.

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The roof is leaking in Tim's cabin. He has put small containers (all the same size) and large containers (all the same size) aro
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3 years ago
Nuts.com sells raw almonds for $10 per pound and roasted pistachios for $12 per pound. Christopher spends $70, before taxes and
sp2606 [1]

Christopher purchased 2.8 pounds of almonds and 3.5 pounds to roasted pistachios.

Step-by-step explanation:

Cost of almonds per pound = $10

Cost of roasted pistachios = $12

Total amount spent = $70

Weight of nuts = 6.3

Let,

Weight of almonds = x

Weight of roasted pistachios = y

According to given statement;

x+y=6.3   Eqn 1

10x+12y=70   Eqn 2

Multiplying Eqn 1 by 10

10(x+y=6.3)\\10+10y=63\ \ \ Eqn\ 3

Subtracting Eqn 3 from Eqn 2;

(10x+12y)-(10x+10y)=70-63\\10x+12y-10x-10y=7\\2y=7

Dividing both sides by 2

\frac{2y}{2}=\frac{7}{2}\\y=3.5

Putting y=3.5 in Eqn 1

x+3.5=6.3\\x=6.3-3.5\\x=2.8

Christopher purchased 2.8 pounds of almonds and 3.5 pounds to roasted pistachios.

Keywords: linear equations, elimination method

Learn more about elimination method at:

  • brainly.com/question/11007026
  • brainly.com/question/11207748

#LearnwithBrainly

8 0
3 years ago
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