1,063 Answered Questions for the topic Pre-Calculus

Pre Calculus

03/16/20

PRECALC distance rate time word problem help
A triathlete trains every morning. One of his training regiments involves cycling with a short run warm-up. He does a 3 mile run as a warm-up and then cycles for 40 miles. He monitors his pace and... more
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Pre Calculus Math Precalculus

03/13/20

precalc Question
Find the smallest positive angle coterminal with 400°. 760° 220° 580° 40°
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03/08/20

Precalc question
John has been hired to design an exciting carnival ride. Tiff, the carnival owner, has decided to create the world’s greatest ferris wheel. Tiff isn’t into math; she simply has a vision and has... more
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03/08/20

Precalc question
George and Paula are running around a circular track. George starts at the westernmost point of the track, and Paula starts at the easternmost point. The illustration below shows their starting... more
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03/08/20

Pre Calc Question
A straight road makes an angle of 14° with the horizontal. When the angle of elevation, B, of the sun is 58°, a vertical pole beside the road casts a shadow 8 feet long parallel to the road.... more
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03/08/20

Precalc question
Charlie and Alexandra are running around a circular track with radius 60 meters. Charlie started at the westernmost point of the track, and, at the same time, Alexandra started at the northernmost... more
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03/08/20

precalc question
Shirley is on a ferris wheel which spins at the rate of 3.2 revolutions per minute. The wheel has a radius of 45 feet, and the center of the wheel is 59 feet above the ground. After the wheel... more
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03/08/20

precalc question
Marla is running clockwise around a circular track. She runs at a constant speed of 3 meters per second. She takes 46 seconds to complete one lap of the track. From her starting point, it takes her... more
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Pre Calculus Math Precalculus

03/06/20

Calculus Question
Perform the indicated operation and give each result with the proper number of significant digits. 5.20 + 4.80 =1. 10.002. 10.03. 104. 10.000
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Pre Calculus Math Precalculus

03/06/20

Pre-calc Question
Find the angle Ø to the nearest minute: sin Ø = 0.16551. 9° 32' 2. 9° 38' 3. 9° 39' 4. 9° 31'
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Pre Calculus Math Precalculus

03/06/20

Pre-calc Question
Find the following function value to four significant figures: cot 8° 13'1. 6.885 2. 6.925 3. 6.910 4. 6.869
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Pre Calculus Math Precalculus

03/06/20

Calculus Question
Given the following number as an approximate measurement, 5.210 pounds. What is the range of values for the actual value?1. 5.205 to 5.215 2. 5.209 to 5.2113. 5.2095 to 5.2105 4. 5.2099 to 5.2101
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Pre Calculus Trigonometry

02/28/20

Find the product (-5 + 5i)(7 - 7i) using trigonometric forms. Leave the result in trigonometric form.
Options:a. 35(cos 135deg + isin 135deg)b. 70(cos 45deg + isin 45deg)c. 35(cos 90deg + isin 90deg)d. 70(cos 135deg + isin 135deg)e. 70(cos 90deg + isin 90deg)
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Pre Calculus Calculus

02/28/20

Find a unit vector in the direction of the given vector. u={4,0}
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Pre Calculus Precalculus Pre Calculus

02/26/20

Calculus Question
Construct two angles in standard position that have sin θ = 24/25, but with different terminal sides. Then find the ratios of the other five trigonometric functions for each angle. Construct the... more
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Pre Calculus Math Precalculus

02/22/20

Calculus question
 Rewrite with absolute value notation: t = –7 or t = + 7a. | t | = 7b. | t | = -7c. | t | ≤ 7d. | t | ≥ 7
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Pre Calculus Precalculus Pre Calculus

02/16/20

pre calc question
Find the value of r for this series. 3/4 + 1/4 + 1/12 + 1/36 + 1/108 + . . .1. 1/42. 1/33. 3/44. 3/4
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Pre Calculus Calculus Precalculus

02/16/20

Pre calc question
Use this system to find the determinant: 2x - y = 2 3x + 2y = 171. [ 2 3 ] [ -1 2 ]2. [ 2 2 ] [3 17]3. [ 2 -1 ] ... more
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02/16/20

Calc question..
Find: lim (5/2)^n n→ ∞ Answer 1. = 1Answer 2. does not exist.Answer 3.=0Answer4.=5/2
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Pre Calculus Precalculus

02/13/20

If M(7, 9) is the midpoint of the line segment AB and if A has coordinates (−5, 7), find the coordinates of B.
If M(7, 9) is the midpoint of the line segment AB and if A has coordinates (−5, 7), find the coordinates of B.(x,y)= ( , )
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02/11/20

precalc question
An aircraft is flying at the speed of 500 mph at an elevation of 10 miles above the earth, beginning at the North pole and heading South along the Greenwich meridian. A spy satellite is orbiting... more
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Pre Calculus Algebra 1 Algebra 2 Algebra

02/09/20

Given that f(x)=x^3+kx^2–8x+2 and that when f(x) is divided by (x–k) the remainder is k, find the possible values of k assuming it is an integer.
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02/03/20

Precalc question
A water treatment facility operates by dripping water from a 60 foot long arm whose end is mounted to a central pivot. The water then filters through a layer of charcoal. The arm rotates once every... more
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02/02/20

Calculus Questions
Apply mathematical induction to prove the statement. Please show the work and steps taken. 4 + 4^2 + 4^3 + . . . + 4^n = 4/3 (4n - 1)
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Pre Calculus

01/26/20

The area of a rectangle or wall of a barn is 56 feet it’s the length is 6 feet longer than twice its ways find the length and width of the wall of the board
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