2,195 Answered Questions for the topic Pre Calculus

Pre Calculus Math

03/07/20

How do you know if a triangle is acute, obtuse, or a right triangle by looking at it's side lengths?
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Pre Calculus

03/06/20

Solve each system of equations algebraically
y = 1/2x^2 - 4x + 12 y = -2x^2 - 12x - 232x^2 + 12x - y = -17y = -x^2 - x + 7
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Pre Calculus Math Precalculus

03/06/20

Calculus Question
tan 3Ø = cot 6ØWhat is the first step to find Ø? a. 6Ø - 3Ø = 180b. 6Ø + 3Ø = 180c. 6Ø - 3Ø = 90d. 6Ø + 3Ø = 90And what does Ø = ?a. 20°b. 10° c. 60° d. 30°
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Pre Calculus Math Algebra 1 Algebra 2

03/03/20

if a circles diameter is 4 feet, how many inches is it’s radius?
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Pre Calculus Precalculus

03/02/20

Use a calculator to find θ to the nearest tenth of the degree, if 0∘<θ<360∘ and secθ=−1.0122 with θ in QII.
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Pre Calculus

02/27/20

how to solve it
You invested $20,000 in two accounts. One account pays an annual interest rate of 6% and the second account pays an annual interest rate of 7.5%. How much did you invest in each account if the... more
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02/26/20

What are the solutions of the equation 2sin(4x)=1 on the interval [0,π)?
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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

02/25/20

In which quadrant does 0 lie if the following statements are true

Tan 0 < 0 and sin 0 > 0
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02/25/20

Find tan(alpha-beta)

Sin alpha= 4/5 with alpha in quadrant I tan beta= 3/4 with beta in quadrant III
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Pre Calculus Math Precalculus

02/22/20

Calculus question
G = { (x, y) | y = (x – 2)2 + x and x is a positive integer less than 6 }. What is the range of G? a. {1, 2, 3, 4, 5} b. {2, 4, 8, 14}  c. {2, 4, 8, 14, 22}  d. {1, 2, 3, 4, 5, 6}
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02/19/20

Find the value of c for which the function is continuous for everywhere:
f(x)=ln(x+c),x<0f(x)=2(e^x),x\ge 0
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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 Math Precalculus

02/16/20

Precalc question
__Let z^1 = 2 + 3i and z^2  = 1 –i. Find  z^1 1. -2 - 3i2. √133. 2 - 3i4. -2 + 3i
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Pre Calculus Calculus Precalculus

02/16/20

Calc question..
Use geometric series to find the rational number represented by the decimal: Vinculum above number of (.48) . r = .01 .1 48 .48
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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

02/11/20

Let h(x)=1/square root x^2+5 find four ways to express h(x) as a composition of two fuctions. f and g such that h(x)=(f of g)(x)
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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

02/10/20

pre calc math homework
Nidhi is creating a rectangular garden in her back yard. The length of the garden is 10 feet. The perimeter of the garden must be at least 40 feet and no more than 76 feet. Write and solve a... more
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Pre Calculus Algebra 1 Algebra 2

02/09/20

The cubic polynomial f(x)=3x^3–20x^2+cx+60 has a factor (x–3). Find the value of the constant c. With this value of c, Express the polynomial as the product of three linear factors
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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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02/04/20

When p(x)=2x^4 + kx +1 is divided by x+1, the remainder is the same as when q(x)=3x^4 + kx2 +2 is divided by x–1. Find k.
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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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Pre Calculus

02/02/20

Find the slope-intercept equation of the line that satisfies the given conditions. passes through (−1, 3) and is perpendicular to x − 8y = 6
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Pre Calculus Math Algebra 1 Algebra 2

02/02/20

Domain of Functions
How do I figure these out?What is the domain of each functionf(x) = 3x2/x2-1f(x) = 1/x-1f(x) = x2+ x - 20 / x2 + 8x + 16
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