Estimate the temperature at which the rate of chirping is 130 per minute
1 answer:
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Answer: y = 5 +
Step-by-step explanation:
-4y + 2x = -20
Move the variable to the right
-4y = -20 - 2x
Divide Both sides
5 +
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Yes, Bobby will have enough money if he saves for 9 weeks. You can find this through either substituting w for 9 in the equation, or solving the equation itself.
Substituting:
Substitute w for 9.
Simplify.
Solve.
255 is greater than 250, so yes, he will have enough money saved.
Solving the equation:
Original Equation
Subtract 30 from both sides.
Divide both sides by 25.
The number of weeks he needs is 8.8. When rounding it up, you get 9.
Substituting:
Substitute w for 9.
Simplify.
Solve.
255 is greater than 250, so yes, he will have enough money saved.
Solving the equation:
Original Equation
Subtract 30 from both sides.
Divide both sides by 25.
The number of weeks he needs is 8.8. When rounding it up, you get 9.