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Marina CMI [18]
2 years ago
14

Solve the equation the square root of the quantity x plus 4 minus 3 equals 1 for the variable.

Mathematics
1 answer:
Kruka [31]2 years ago
6 0

Answer:

x = 12

Step-by-step explanation:

sqrt(x+4) - 3 = 1

First get the sqrt all by itself on one side of the equation. Add 3 to both sides of the equation.

sqrt(x+4) = 1 + 3

sqrt(x+4) = 4

To "fix" the sqrt, that is, "undo it" and get rid of it, you have to SQUARE both sides of the equation.

(sqrt(x+4))^2 = 4^2

x + 4 = 16

subtract 4 to finish up.

x = 12

Check:

sqrt(12 + 4) - 3 = 1

sqrt16 - 3 = 1

4 - 3 = 1

1 = 1 Check!

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sergey [27]

Answer:

7n + 1/5 + 2q

Step-by-step explanation:

Identify like terms

(4n + 3n) + (6/35 + 1/35) + (6q -4q)

Add like terms

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4 0
3 years ago
Help!!!
FinnZ [79.3K]

The number of shirts that should be sold in order to breakeven is 75.

The profit when 150 shirts are sold is $750.

<h3>How many shirts should be sold to breakeven?</h3>

When there is a breakeven, profit earned is zero.

The equation that can be used to determine the number of shirts to be sold to break even is:

Total selling price = fixed cost + (total variable cost)

$15t = $750 + $5t

Where t is the number of t-shirts sold

$15t - $5t = $750

$10t = $750

t = 75

<h3>What is the profit made when 150 shirts are sold?</h3>

Profit is the total selling price less cost price

(150 X $15) -  $750 - ($5 x 150)

$2,250 - $750 - $750  = $750

To learn more about profit, please check: brainly.com/question/26181966

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