Solve the application and answer with a complete sentence. Round to the nearest tenth of a percent if necessary.All 37 of the students in a mathematics class attended class on Monday. On Tuesday only 28 students attended. What was the percent of decrease?

A. There was a 75.7% decrease.
B. There was a 24.3% decrease.
C. There was a 67.9% decrease.
D. There was a 32.1% decrease.


Answer: B

Mathematics

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Name the conic or limiting form represented by the given equation.-5x2 + 30x + 4y2 - 56y - 45 = -196

A. Point B. Intersecting lines C. Empty set D. Hyperbola

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Using Green's Theorem, find the outward flux of F across the closed curve C.F = xyi + xj; C is the triangle with vertices at (0, 0), (8, 0), and (0, 6)

A. - 40 B. 0 C. 48 D. 88

Mathematics

Solve. J. Hartley poolbuilders charges $15,600 to build a residential swimming pool. Their costs are $1568 for excavation and steel reinforcement; $1555 for concrete and plaster; $2850 for tile and coping; $1675 for plumbing and electric work; and $2579 for equipment. What is their profit?

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

Mathematics

Write the sentence as an equation. Use x to represent "a number."If six times a number is increased by 9, the result is 51.

A. 6(x + 9) = 51 B. 9(6 + x) = 51 C. 9x + 6 = 51 D. 6x + 9 = 51

Mathematics