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Q: 4y2-8y+9x2-54x+49 a) determine the type of conic b) find the standard form of the equation c) sketch...

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If y...

Q: Find the x-intercept and y-intercept of the line. 4х- 2у%3D4 -intercept:| х y -intercept:

A: Consider the equation of line, Simplify the equation, Compare the equation (1) with standard equat...

Q: For Exercise, solve the equation. т + 2 т — 4 т+1 4

A: The given equation is

Q: Solve for x and y. 3x+2y=2 2x+2y=4

A: From the first equation we get: 3x+2y=2 Or, 2y=-3x+2

Q: Factor the common factor out of given expression: 20x4− 30x + 30

A: Click to see the answer

Q: The carvings of the faces at Mount Rushmore in South Dakota measure 60 ft from chin to forehead. If ...

A: Let the approximate distance between the pupils on the carving of George Washington's head is = x ft...

Q: factor out the trinomial 41. 12a3+10a2-42a

A: At first we factor out the common term from the given expression. After that we divide the remaining...

Q: The corners of a triangle are (2,1), (4,4), and (6,2). Give the system of inequalities which describ...

A: Click to see the answer

Q: For Exercise, determine the set of x values for which the radical expression would produce a real nu...

A: Under square root we can not have negative number. So 5x+7 has to be nonnegative. Answer(a):

Transcribed Image Text

The half-life of cesium-137 is 30 years. Suppose we have a 37-g sample. Find a function that models the mass remaining after t years. Select the correct answer. a. m (t) = 40e - 0.02t b. m (t) - 37e - 0.024 C.m (t) - 30e - 0.023t d. m (t) - 40e - 0.03t e. m (t) = 37e 0.023