Mathematics, 02.02.2020 17:57 Unstinct
Each month, stacey places a portion of her earnings in a retirement account. her savings are invested in two companies. for every $9 invested in company a, $2 is invested in company b. stacey quizzes her children, krista and kevin, about how much money she will invest in company a if she invests $24 in company b. krista and kevin used two different methods to arrive at the answer to stacey’s problem. let’s see who found the correct answer and how. you’ll answer some questions along the way.
what is the ratio of the amount invested in company a to the amount invested in company b? write the answer as a fraction using the values given. do not include any variables.
Answers: 1
Mathematics, 21.06.2019 15:00, suewignall
Need ! give step by step solutions on how to solve number one \frac{9-2\sqrt{3} }{12+\sqrt{3} } number two x+4=\sqrt{13x-20} number three (domain and range) f(x)=2\sqrt[3]{x} +1
Answers: 2
Mathematics, 21.06.2019 18:00, kezin
The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?
Answers: 1
Each month, stacey places a portion of her earnings in a retirement account. her savings are investe...
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