Mathematics, 22.12.2020 06:50 Fireburntbudder
Negative 5.4 + x = 12.2. Minus 5.4. x = 6.8.
What error, if any, did she make?
Answers: 3
Mathematics, 21.06.2019 13:20
What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.
Answers: 1
Mathematics, 21.06.2019 14:00
Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)
Answers: 3
Negative 5.4 + x = 12.2. Minus 5.4. x = 6.8.
What error, if any, did she make?...
What error, if any, did she make?...
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