2 years ago

Use the substitution method to solve the system of equations choose the correct ordered pair

Mathematics

1 answer:

skelet666 [1.2K]2 years ago

7 0

The answer to the question is c

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Becky is using the expression 2z + 3 to represent the number of chairs in her classroom. There are twice as many chairs as table

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Becky spent 3/4 of an hour practicing the piano.She spent 1/2 of that time practicing her recital piece. What fractional part of

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Answer:

3/8

Step-by-step explanation:

First,

convert 3/4 of an hour to minutes;

If 1 hr = 60 mins

then 3/4 of 1hr = $\frac{3}{4} *60\\ \\ =45 mins.Next, If 1/2 of 3/4 was spent practicing recital piece, it means that it is half of 45 mins;1/2 *45 = 22.5 minsLastly, convert the 22.5 mins into a fraction of an hour;22.5/60 = [tex]\frac{3}{8}$

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Please help and thank you

ivann1987 [24]

First, let's try to isolate x to make the question easier to solve.

|2x-6|≤6

2x - 6 ≤ 6

2x - 6 ≥ -6

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x ≤ 6

2x ≥ 0

x ≥ 0

Knowing this, the graph should be equal or less than 6 and equal or greater than 0, making Option D the correct answer.

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2 years ago