2,195 Answered Questions for the topic Pre Calculus

Pre Calculus Trigonometry

09/10/19

Pre Calculus 11 - Trigonometry
Chie left home and ran north for 20 minutes at 10km/h and then turned north east and ran for 35 minutes at 5km/h. How far (km) was she away from home after the run? Round your answer to 2 decimal... more
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Pre Calculus Trigonometry Angles

09/10/19

Pre Calculus 11 - Trigonometry
Find the two standard angles between 0° and 360° whose tangent value is 10. Round your answer to 1 decimal place.Any help with this question would also be greatly appreciated. Thanks!
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09/10/19

Pre Calculus 11 - Trigonometry
Find the two standard angles between 0° and 360° whose cosine value is -0.7. Round your answer to 1 decimal placeAny help at all with this question would be greatly appreciated!!Thank you
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Pre Calculus Precalculus

09/09/19

A truck rental company rents a moving truck for one day by charging $22 plus $0.11per mile.

Write a linear equation that relates the cost​ C, in​ dollars, of renting the truck to the number x of miles driven. What is the cost of renting the truck if the truck is driven 134 miles? 422... more
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Pre Calculus Math Precalculus

09/09/19

How many cans of soda would be lethal?
If the caffeine concentration in a particular brand of soda is 3.13 mg/oz, drinking how many cans of soda would be lethal? Assume that 10.0 g of caffeine is a lethal dose, and there are 12 oz in a... more
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Pre Calculus

09/09/19

The area of a rectangular wall of a barn is 28 square feet.i its length is 10 feet longer than twice its width . Find the length and width of the wall of the barn
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Pre Calculus Precalculus

09/08/19

Find the equation of a line that is parallel to the line x = 4 and contains the point (-9,5)
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Pre Calculus Precalculus

09/08/19

Find an equation for the line with the given properties. Parallel to the line 7x - y = -7; containing the point (0,0)
Express your answer using either the general form or the​ slope-intercept form of the equation of a line.
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Pre Calculus

09/08/19

If f ( 4 ) = − 1 , write an ordered pair that must be on the graph of y = f ( x − 2 ) + 1
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Pre Calculus Math Precalculus Algebra

09/08/19

Find a polynomial function f(x) with real coefficients that has the given zeroes. 0,6,1+√2i
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Pre Calculus

09/08/19

Complementary angles
Measures 4x and 5x-18 degrees
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Pre Calculus

09/07/19

Find the product of -4-2i and it’s conjugate the answer is a+bi where
Help I have been stuck on this I need help
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Pre Calculus Algebra 2

09/06/19

Solve the inequality and put in interval notation: 2x^3-2x≥0
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Pre Calculus Algebra 2

09/06/19

Solve the quadratic equation: x^2+4x+5=0
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Pre Calculus Algebra 2

09/06/19

Write the equation of the line in general form that passes through f(4)=-2 and f(1)=1
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Pre Calculus Algebra 2

09/05/19

Find all values of x algebraically for which the algebraic expression is not defined. √x-16
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Pre Calculus Algebra 2

09/04/19

Find all values of x algebraically for which the algebraic expression is not defined. X/x^2-16
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Pre Calculus Algebra 2

09/04/19

Find all values of x algebraically for which the algebraic expression is not defined. X/x-16
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08/31/19

Pre Calculus 11 - Arithmetic Sequences
Violin lesson fees started at $46 per hour in January, 1990, and gradually increased by $2 .50 every year. How much is the hourly cost in January of 2014? Hint: It’s not a good idea to just apply... more
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08/31/19

Pre Calculus 11 - Arithmetic Sequences
On Alfredo's 10th birthday, his mother began giving him a weekly allowance of $10 and each week the allowance would increase by $0.50 if he did all his homework. How many weeks would it take for... more
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Pre Calculus Math Algebra 1 Algebra 2

08/29/19

please help me with this

Find the difference quotient of​ f; that​ is, find f(x+h)-f(x) , h =/ 0, for the following function: f(x)=-6x+5 h
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Pre Calculus

08/27/19

How to do interval Notation
-6 less than or equal too 8 - 2x less than 20
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Pre Calculus

08/26/19

Profit Equation Question
For a particular flight from Dulles to SF, USAir uses wide-body jets with a capacity of 450 passengers. It costs the airline $2,000 plus $100 per passenger to operate each flight. Through... more
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Pre Calculus

08/25/19

Pre Calc Question
Assume the 3 o'clock position on a ferris wheel is level with the loading platform and that the ferris wheel travels in the counter-clockwise direction. The wheel rotates 27π/4 radians and then... more
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08/16/19

What is the polynomial function of least degree whose only zeros are −2 , 3, and 4?
f(x)=x^3(blank)x^2(blank)x(blank)
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