Using only pennies, nickels, dimes, and quarters, what is the smallest number of coins Freddie would need so he could pay any amount of money less than a dollar?

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Answer 1

Answer: three quarters two dimes four pennies

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On a vacation to Puerto Rico Rose jumped off a cliff into a river in Elion forest preserve her height as a function of time to be modeled by the function HFT equal 16 T squared +16 T +480 where T is the time after jumping in seconds and H is the height in feet how many seconds it take Rose to hit the water round your answer to the nearest hundredth

Answers

To solve for t, you will use the equation given: -16t^2 + 16t + 480 = 0. First, simplify the equation by dividing everything by 16: -t^2 + t + 30 = 0. Then complete reverse FOIL: (-t + 6)(t + 5) = 0. Next, set each of these equations to 0 separately, and solve for t. You will get t = 6, and t = -5. Since time can't be negative (Rose can't have hit the water after a negative number of seconds), the answer is 6.

On Monday Bianca spent 4 8/9 hours studying. On Tuesday she spent another 3 5/6 hours studying. What is the combined length of time did she spend studying?

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(4 8/9) + (3 5/6) = (4 16/18) + (3 15/18) = 8 13/18. Hope this helped, but I'm only in fifth grade. Sorry if I'm wrong!!!! ^^

The regular price of an item is $65. The item is on sale with a discount of $8.What is the discount rate

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The discount rate is the discount amount ($8) divided by the regular price, as a percentage.65/8=8.125 rounded to 8 so 8%.

The sum of the digits of a certain two-digits is 7.Reversing its digits increase the number by9.What is the number

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34. 3 + 4 = 7 43 - 34 = 9

Write 4270000 in scientific notation

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4.27x10*6
i cant get it to come up properly but its to the power of 6

What is the product?(2x – 1)(x + 4)
2x2 – 4
2x2 + 4
2x2 + 7x – 4
2x2 – 7x – 4

Answers

The answer is 2x^2+7x-4 i think that's what you meant for the last one.

Answer:

the answer is 2x^2+7x-4

Step-by-step explanation:

hope it helpsssssssssss

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