a piggy bank containing only quarters has a mass of 850 grams when empty

a piggy bank containing only quarters has a mass of 850 grams when empty and 7822 grams when filled if a quarter weighs 5.6 grams estimate the money

2 months ago

Solution 1

Guest Guest #5492016
2 months ago
I thinks the answer is 12.45

Solution 2

Guest Guest #5492017
2 months ago
Number of quarters= (7822-850)/5.6 = 1245

multiply that by 0.25 (worth of a quarter) to get the amount of money in US dollars

1245*0. 25=311.25$

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Question
PLEASE HELP!!!!!!! 13. What is 2.28 × 10–8 in standard form? (1 point)228,000,000 22,800,000 0.0000000228 0.000000228 14. Which of the following is an example of an irrational number? (1 point)square root of twenty five –31 1.414213562.. 1 over 15 15. Which number is equivalent to 0.3? (1 point)one-third thirty-three over one hundred five-sixths two-thirds 16. Riding the bus, Roger uses one-third of his money for bus fare. What is the fraction of his money expressed as a decimal? (1 point)point three repeating point six repeating point eight repeating one point five repeating 17. Serena has seven-eighths yd of fabric. To complete her craft project, she needs 3 times that amount. How many yards of fabric does Serena need? (1 point)2two and five-eighths two and seven-eighths 3three and three-sevenths three and seven-eighths 18. negative one over six + (–three over seven) = (1 point)negative twenty-five over forty-two negative four over thirteen eleven over forty-two two over thirteen 19. 8 over 9 + (negative three fourths) = (1 point)eleven over thirteen five over thirty-six negative twenty-four over thirty-six 1 20. 5one-third – three and four-sevenths= (1 point)two and three fourths –two and three fourths one and sixteen over twenty-one negative one and sixteen over twenty-one 21. one over four × negative one half (1 point)–one-eighth one-eighth –one-fourth negative one-half 22. five-eighths ÷ fifteen over sixteen = (1 point)five over twelve three-fourths three-halves two-thirds 23. A piece of string is 3 yards long. How many 1one-fourth–yard-long pieces can Julie cut from the string? (1 point)1 2 3 4 24. 5 and 1 over 3 ÷ one and one fifth = (1 point)4 and 4 over 9 –4 and 4 over 9 51 over 15 41 over 15
Solution 1

Answer:

13. 0.0000000228

14. 1 over 15

15. one third

16. point three repeating

17. 2two and five-eighths

18. negative twenty-five over forty-two

19. negative five over thirty-six

20. negative one and sixteen over twenty-one

21. –one-eighth

22. two-thirds

23. 3

24. 4 and 4 over 9

Step-by-step explanation:

13. We count the number of digits after the comma. In this case, the number of digits after the comma is 8. Therefore, the number will be 0.0000000228

14. An irrational number occurs when there is a recurrence of a number. For , example 1/15 gives 0.0666666 or simply 0.066...

15 - 24 The other numbers are simply mathematical operators expressed in words. Rules of addition, multiplication and division are applicable.

For example, for number 18, the operator will be:

-\frac{1}{6} + (-\frac{3}{7} )\\= -\frac{7}{42}-\frac{18}{42}  \\= -\frac{24}{42}

This gives the first option.

Solution 2
13. 0.0000000228
14. 1 over 15
15. one-third
16. point three repeating
17. 2two and five eighths
18. -0.59
19. 2.25
20.
21. -0.25
22. 0.6
23. 3
24. 4 and 4 over 9

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Solution 1

I think the answer might be $9

Solution 2

Answer: it will cost abt $13 to make 50 cups but the best one bellow would be $9

Step-by-step explanation: