Create a variable expression that represents the word phrase: a numver secreased by seven

1 answer:

5 0

We can act like the variable is anything. x, y, a ,g, u, :),....anything! For this problem, let's say the variable is x. All we need to do is that a number decreased by seven, so the final answer is x-7 because decreased means subtract. Hope I helped! Have an awesome day!

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3 years ago

Parallel to y=2/3x+4 and goes through (-9,-2)

Ostrovityanka [42]

Hey there :)

y = $\frac{2}{3}x + 4$

Since this line is parallel to the line to be found, both have the same slope: $\frac{2}{3}$

Coordinates: ( - 9 , - 2 )

y - ( -2 ) = $\frac{2}{3}$ ( x - ( -9 ) )
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3 years ago

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Ruth is knitting hats to sell at a local fair. The booth costs her $63 and the materials for each hat cost $10. She plans on sel

aev [14]

Answer: Ruth have to make 7 hats to break even.

Step-by-step explanation:

Break even point is a point where Cost = Revenue.

Let x be the number of hats sold.

Given: Cost of booth = $63

Each hat cost = $10

Selling price for each cost = $19