Recent content by amanda_

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    Paytons' 15-Year 9% FRM Mortgage Payment Calculation

    Homework Statement Rebecca and Tom Payton have decided to buy a home that costs $200,000. The Paytons can put down 20% of the home's price. They have applied for a 15-year, 9% FRM to finance the balance. They Paytons have a combined gross annual income of $70,000. How much will the Paytons...
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    Word problem - Buying houses and taxes?

    I don't understand what the question was asking - hence asking here. You just gave the same equation I did, so I obviously wasn't putting numbers together. Thanks.
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    Word problem - Buying houses and taxes?

    Okay so, I get 300 - but that's not the correct answer either. So here's what I did 25%(1200) = 300 2000-300 = 1700
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    Word problem - Buying houses and taxes?

    Homework Statement Miguel Tijera plans to rent one house and purchase another. He estimates that mortgage interest deductions on his federal income tax will be 25% of his mortgage payments. He wants to spend no more than $800 a month on rent and $2000 a month on rent and mortgage payments...
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    Inverse Variation: Solve for y when x=5

    x2 So if I square 5 and cross multiply it's 8/25. Is that right?
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    Inverse Variation: Solve for y when x=5

    Homework Statement If y varies inversely as the square of x, and y = 1/8 when x = 1, find y when x = 5. y = 8/25 y = 1/200The Attempt at a Solution The equation to find this is y=k/x, I know that. I've tried to plug in both given answers to see which ones matched but neither of them did...
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    How Is the Constant A Determined in Janine's Charcoal Absorption Data Analysis?

    Homework Statement Janine, a science student, measured the volume of carbon dioxide gas that can be absorbed by one cubic centimeter of charcoal at pressure x. She made the following four sets of measurements: (120, 3.1) (340, 5.5) (534, 7.1) (698, 8.3) Janine finds that the volume, f(x), to...
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    Calculating Central Angles in Satellite Orbits

    Actually finding the radius is a completely different question, but if I did that correctly then it's 6,378. But when I plug that into the equation you gave, it didn't match any of the answers. Edit: Wait a second. I got around 41 degrees for angle a, and it's known that angle b is 120. Did I...
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    Calculating Central Angles in Satellite Orbits

    Not quite sure how central angles ended up in a PreCalc class, but oh well. Okay so, I'm given this picture And this information: A satellite is in orbit 2000 kilometers above the Earth. It is scheduled to pass directly over a tracking station at noon. The satellite takes 2 hours to make...