Solve the equation. Use the multiplication axiom.9a = -81

A. {90}
B. {-90}
C. {1}
D. {-9}


Answer: D

Mathematics

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Write log 82.8 = y in exponential form.

a. y = 82.810 b. 10y = 82.8 c. 1082ú8 = y d. y10 = 82.8 e. a82ú8 = 10

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Use an amortization table to solve the problem. Round to the nearest cent.A $90,000 home was financed by making a 20% down payment and signing a 30-year mortgage at 6.25% annual interest compounded monthly for the unpaid balance. The first payment is $443.32. How much of the first month's payment will apply towards reducing the principal?

Fill in the blank(s) with the appropriate word(s).

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Provide an appropriate response.When is the square of the sum the sum of a square; i.e., when is (A + B)2 = A2 + B2 ?

What will be an ideal response?

Mathematics

Determine whether the variation between the indicated quantities is direct or inverse.The price of an item and the quantity of the item that you can purchase with a given amount of money.

A. Inverse B. Direct

Mathematics