Redsox123

11 Questions
1 Answers

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Last Math Question #3

A leading marketing research firm conducted a telephone survey of 325 young adults, 21 years of age, to estimate the average amount of money they intend on spending on political contributions during their first federal election cycle. The data are distributed read more ..

Redsox123 May 12, 2017

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1410

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Math Question #2

A leading dental journal claims that 68% of young adults do not brush their teeth regularly. A dental hygienist wants to conduct a survey to verify this with her young adult patients, and wants to do so with a margin of error (ME) of ± 5%. What minimum read more ..

Redsox123 May 12, 2017

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1183

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Math Question!

One hundred forty-one of the 228 high school students surveyed at a local school say they plan on taking some form of postsecondary education. Calculate the margin of error (ME), rounded to the nearest tenth of a percent. Is it reasonable that the state read more ..

Redsox123 May 12, 2017

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1877

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Math question

A triangle has vertices P(−7, 3), Q(1, 3), and R(1, −3). S is the midpoint of line segment PQ and T is the midpoint of line segment QR. What is the length of line segment ST?

A.) ST= 6 square root 2
B.) ST= 5 read more ..

Redsox123 May 11, 2017

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1664

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Liberal Arts Math Question #7

Consider the relation y = −5|x − 4| + 7. What are the coordinates of the vertex, V, and which direction does it open?

A.) V= (4,7), opens downward
B.) V= (-4,7), opens upward read more ..

Redsox123 May 11, 2017

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1901

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Liberal Arts Math Question #6

How many terms are in the arithmetic sequence 5, 1, −3, …, −99?
Hint: an = a1 + d(n − 1), where a1 is the first term and d is the common difference

A.) 27
B.) 28 read more ..

Redsox123 May 11, 2017

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Liberal Arts Math Question #5

One endpoint of a line segment is at (−3, 1). The line is bisected by placing the midpoint of the line segment at (5, −3). What are the coordinates of the other endpoint?

A.) (-11,5)
B.) (1,-1) read more ..

Redsox123 May 11, 2017

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1469

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Liberal Arts Math Question #4

The line represented by y = 2x + 1 and a line perpendicular to it intersect at R(2, 5). What is the equation of the perpendicular line?

A.) y= -1/2x + 5
B.) y= 1/3x + 7/3 read more ..

Redsox123 May 11, 2017

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973

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Liberal Arts Math Question #3

What is the general-term equation, an, for the arithmetic sequence below, and what is the 23rd term of this sequence?

n 1 2 3 an 2 -3 -8
A.) an = 3, a23 = -112 read more ..

Redsox123 May 11, 2017

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Liberal Arts Math Question #2

A stock market analyst observes the following for the price of two stocks that he owns, one of which is growing in a linear fashion (arithmetic) and the other of which is growing at an exponential rate (geometric).
Stock A: Equation: an = 15n + read more ..

Redsox123 May 11, 2017

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907

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Liberal Arts Math Question

Suppose you drop a ball from a window 15 meters above the ground. The ball bounces to 60% of its previous height with each bounce. What is the total number of meters (rounded to the nearest tenth) the ball travels between the time it is dropped and the read more ..

Redsox123 May 11, 2017

+46

+1

Any help? I think it is 5

Redsox123May 11, 2017