Mathematics, 18.08.2019 20:30 jhart2876
sara cut off 1/8 of a 48-inch piece of ribbon. jane cut off 1/9 of a 36-inch piece of ribbon. they compared their cut pieces. whose piece is longer? how much longer?
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Mathematics, 21.06.2019 14:00
After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(â3, 1), s'(â3, 5)b.r'(â1, 3), s'(â5, 3)c.r'(1, 3), s'(5, 3)d.r'(5, 3), s'(1, 3)
Answers: 2
Mathematics, 21.06.2019 16:50
The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e â0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some âreal-worldâ examples and uses of cobalt-60
Answers: 1
Mathematics, 21.06.2019 18:00
For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip
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Mathematics, 21.06.2019 20:00
Someone answer asap for ! a discount storeâs prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =
Answers: 1
sara cut off 1/8 of a 48-inch piece of ribbon. jane cut off 1/9 of a 36-inch piece of ribbon. they c...
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