Mathematics, 27.06.2019 22:30 miriamjb
In 1983 the composition of pennies in the united states was changed due, in part, to the rising cost of copper. pennies minted after 1983 weigh 2.50 grams while the earlier copper pennies weigh 3.11 grams. a. a roll of pennies contains 50 pennies. if a particular roll of pennies weighs 138.42 grams, how many of the earlier copper pennies and how many of the after 1983 pennies does this roll contain? b. suppose you measure a roll of pennies on a scale which only reads the weight to the nearest gram. the scale says that the roll of pennies weighs 131 grams. what can you conclude about the pennies in this roll? what if the roll weights 134 grams? explain.
Answers: 1
Mathematics, 21.06.2019 14:30
Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.
Answers: 1
Mathematics, 21.06.2019 17:00
100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance
Answers: 2
Mathematics, 21.06.2019 17:20
Read the equations in the table below. then drag a description of the situation and a table to represent each equation. indicate whether each of the relationships is proportional or non-proportional.
Answers: 1
Mathematics, 21.06.2019 19:30
[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible
Answers: 3
In 1983 the composition of pennies in the united states was changed due, in part, to the rising cost...
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