Provide an appropriate response.Solve the following system of equations: 2x - 3y = 8   x + 2y = -3

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


(1, -2)

Mathematics

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Solve the problem.The formula p = 15 +  describes the pressure of sea water, p, in pounds per square foot, at a depth of  below the surface. If a diver was subjected to a pressure of 40 pounds per square foot, to what depth did she descend? At what depth is the pressure 162 pounds per square foot?

A. 321.4ft; 321.4 ft B. 353.4 ft; 353.4 ft C. 57 ft; 325.4 ft D. 55 ft; 323.4 ft

Mathematics

Solve the problem.The table shows the population of a city for five years. This data was used to develop the quadratic equation , which models the population of the city y in millions in the year x, where x = 0 represents 2007, x = 1 represents 2008, and so on. Use the model to find the estimated population in the year 2009.

A. 66,822,000 B. 1,490,000,000,000 C. 65,538,000 D. 1,490,000

Mathematics

Divide, if possible. Write the answer in simplest form. ÷ 

A.
B.
C.
D.

Mathematics

Solve the problem.The value of a particular investment follows a pattern of exponential growth. You invested money in a money market account. The value of your investment t years after your initial investment is given by the exponential growth model A = 7600e0.064t. How much did you initially invest in the account?

A. $8102.30 B. $486.40 C. $3800.00 D. $7600.00

Mathematics