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m_a_m_a [10]
4 years ago
6

A pair of pants costs twice as much as a shirt. The total cost of 1 pair of pants and 1 shirt is $18. If s represents the cost o

f 1 shirt, which equation could you use to find the cost of 1 shirt?
Mathematics
2 answers:
pshichka [43]4 years ago
8 0

For this case we propose a system of equations:

p: Variable representing the cost of a pair of pants

s: Variable representing the cost of a shirt

A pair of pants costs twice as much as a shirt, means:

p = 2s

The total cost of 1 pair of pants and 1 shirt is $ 18:

p + s = 18

We substitute the first equation in the second:

2s + s = 18\\3s = 18\\s = \frac {18} {3}\\s = 6

Answer:

The following equation can be used:

2s + s = 18

Vadim26 [7]4 years ago
4 0

The total cost of 1 pair of pants and 1 shirt is $18 . If s represents the cost of 1 shirt, which equation could you use to find .

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4 0
3 years ago
Write an equation of the line that passes through (1,2) and is parallel to the line y=-5x+4
valentinak56 [21]

Answer:

The equation of the Parallel line to the given line is  5x+y-7=0

Step-by-step explanation:

<u><em>Explanation:-</em></u>

Given that the line y = - 5x+4 and point (1,2)

The equation of the Parallel line to the given line is  ax+by+k=0

Given straight line  5x + y -4 =0

The equation of the Parallel line to the given line is  5x+y+k=0

This line passes through the point (1,2)

             5x+y+k=0

            5(1)+2+k=0

⇒              7+k=0

                   k =-7

<u>Final answer:-</u>

The equation of the Parallel line to the given line is  5x+y-7=0

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Leto [7]

Answer:

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Victor = C

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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