09/05/19

And all day parking meter takes only dimes and quarters if it contains 100 coins with the total value of $14.50 how many of each type of coin are there in the meter
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09/04/19

Math story problem
A truck driver travels 17 miles south to drop off his first delivery. Then he drives 19 miles west to drop off a second delivery, and then he drives 17 miles north to drop off another delivery.... more
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09/04/19

Please Help ASAP
You need a 15% alcohol solution. On hand, you have a 910 mL of a 10% alcohol mixture. You also have 80% alcohol mixture. How much of the 80% mixture will you need to add to obtain the desired... more
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09/04/19

I need help solving this word problem

A store owner want to develop a new snack mix by mixing chocolate and trail mix. How many pounds of chocolate costing $19.20 per pound should be mixed with trail mix costing $2.70 per pound to... more
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09/04/19

The perimeter of a rectangle is 42 m. If the length is 6 less than twice the width, find the length and width.
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09/03/19

Electrical Algebra Problem
The impedance, 𝑍, in a certain circuit is the square root of the sum of the square of the resistance of 𝑅 and the square of the reactance 𝑋 in ohms. Find the reactance of the circuit if 𝑍 = 10 Ω... more
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09/03/19

Electrical Algebra Problem
The voltage, 𝑉, in volts, in a circuit is the square root of the product of the power, 𝑃 in watts and the resitance, 𝑅, in ohms. If the voltage is 240 V and the power is 2500 W, what is the... more
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08/31/19

suppose a balanced die is tossed 10 times what is the probability that all the faces 6 faces appear at least once
suppose a balanced die is tossed 10 times what is the probability that all the faces 6 faces appear at least once
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