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lidiya [134]
3 years ago
9

Large balloons are sold in packages of 12. Select the expressions that can represent the total number of balloons in p packages

of large
balloons.
A. 12-p
B. 12 xp
C. p + 12
D. p + 12
E. 12p
Mathematics
1 answer:
hammer [34]3 years ago
5 0

Answer: For C and D you put the same answer but its D. P/ 12 which stands for p divided by 12.

Step-by-step explanation:

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laila [671]

Answer:

The solution of |3x-9|≤15 is [-2;8] and the solution |2x-3|≥5 of is  (-∞,2] ∪ [8,∞)

Step-by-step explanation:

When solving absolute value inequalities, there are two cases to consider.

Case 1: The expression within the absolute value symbols is positive.

Case 2: The expression within the absolute value symbols is negative.

The solution is the intersection of the solutions of these two cases.

In other words, for any real numbers a and b,

  • if |a|> b then a>b or a<-b
  • if |a|< b then a<b or a>-b

So, being |3x-9|≤15

Solving: 3x-9 ≤ 15

3x ≤15 + 9

3x ≤24

x ≤24÷3

x≤8

or 3x-9 ≥ -15

3x ≥-15 +9

3x ≥-6

x ≥ (-6)÷3

x ≥ -2

The solution is made up of all the intervals that make the inequality true. Expressing the solution as an interval: [-2;8]

So, being |2x-3|≥5

Solving: 2x-3 ≥ 5

2x ≥ 5 + 3

2x ≥8

x ≥8÷2

x≥8

or 2x-3 ≤ -5

2x ≤-5 +3

2x ≤-2

x ≤ (-2)÷2

x ≤ -2

Expressing the solution as an interval: (-∞,2] ∪ [8,∞)

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Amount charged for every house call by electrician = $50

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Also, C denotes total cost of the electrician's services.

So, the equation for C in terms of t is given below.

50+5t=C

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Answer:

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Answer:

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Step-by-step explanation:

<em>here's</em><em> your</em><em> solution</em>

<em>=</em><em>></em><em> </em><em>let </em><em>the </em><em>length</em><em> of</em><em> </em><em>rectangle</em><em> </em><em>be </em><em>X </em>

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<em>=</em><em>></em><em> </em><em> </em><em>area</em><em> </em><em>=</em><em> </em><em>x </em><em>(</em><em>x-7)</em><em> </em><em>=</em><em> </em><em>8</em>

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<em>=</em><em>></em><em> </em><em>factories</em><em> </em><em>the </em><em>above </em><em>equation </em><em>by </em><em>middle</em><em> term</em><em> split</em>

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