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Pre Calculus Math Precalculus Math Help

05/16/16

Pre Calculus

Find the dot product between the vectors u and v: u = 6i - j and v = 4i + 2j

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Pre Calculus Math Precalculus Math Help

05/16/16

Pre Calculus

A force of 50 pounds is directed 30 from the horizontal, find the vector that represents this force

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Pre Calculus Math Math Help Pre Calculus

05/15/16

Pre Calculus

Let v= -3√2 i- 4√2 j. Find a unit vector that points in the opposite direction as v.a)5/3i + 5/4j b)-3/5i - 4/5j c) -5/3i - 5/4j d) 3/5i + 4/5j

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Pre Calculus

04/29/16

how would you solve this: 4sin^2x=3? using interval [0,2pi]

This is for my homework question

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Pre Calculus Trigonometry

04/22/16

tan (cos^-1(1/3)) = ???

I have to find the exact value for this expression.

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Pre Calculus Precalculus

04/14/16

The point (-6,7) in on the terminal side of angle t. Find cot(t) to 2 decimal points.

Not sure what the steps are to solving this.

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Pre Calculus

04/14/16

The point (-5,5) in on the terminal side of angle t. Find sec(t) to 2 decimal points.

Been stuck on this for a while I get confused about sec. Please help! Thanks!

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Pre Calculus

04/12/16

prove the identity

1/1 - cosß + 1/1 + cosß = 2 + 2cot2ß

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Pre Calculus Precalculus Precalculus Homework

04/10/16

how many of these choices is right?

The angle measure,θ, in radians is ...-found by multiplying two rays of length r meters by a distance of s meters.-the openness of two rays, r meters long compared to the circumference in... more

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Pre Calculus Trigonometry

04/04/16

An A-frame cabin is 26.23 feet high at the center, and the angle the roof makes with the base is 53.25 degrees. How wide is the base of the triangle?

Note 15 seconds = .25 degrees which means x = 53.25 degrees.

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Pre Calculus

04/03/16

Pre-calculus

An arithmetic sequence has a 10th term of 17 and a 14th term of 30. Find the common difference.

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Pre Calculus

03/24/16

Two lighthouses are located 25 miles from one another on a north-south line. If a person on a buoy is spotted 10° south of east from the

Two lighthouses are located 25 miles from one another on a north-south line. If a person on a buoy is spotted 10° south of east from the northernmost lighthouse and 25° north of east from the... more

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Pre Calculus

03/24/16

The triangle described is of the form SSA. Determine if there is no triangle possible, one triangle possible, or two triangles possible. If only one triangle is

The triangle described is of the form SSA. Determine if there is no triangle possible, one triangle possible, or two triangles possible. If only one triangle is possible, solve the triangle. If... more

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Pre Calculus

03/24/16

Solve the triangle: a = 310, b = 466, c = 400. If it is not possible, say so.

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Pre Calculus Word Problem College Algebra Logarithms

03/10/16

Finding the Actual Doubling Time (Logarithms and Exponential Models)

This problem involves the Rule of 70, which gives quick estimates of the doubling time of an exponentially growing quantity. If r% is the annual growth rate of the quantity, then the Rule of 70... more

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Pre Calculus College pre Calculus

03/08/16

Find the complex number z^9. (Enter your answer in a + bi form.)

9th root of z = 4 + 4 root3 i. In a+bi form. I am stuck!

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Pre Calculus

02/24/16

Question is determine the values of a and b such that x-1 is a factor of both x^3+x^2+ax+b and x^3-x^2-ax+b?

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Pre Calculus

02/17/16

Find the Maximum Value/ Chapter 3 Polynomial and Rational Functions

Suppose x+y-=(Square root of 2). Find the maximum value of x^2+y^2. Hint x^2+y^2=(x+y)^2 - 2xy

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Pre Calculus

02/10/16

HOw to figure out purchase of car

a car that when purchased 5 years ago coast $5000 has a value of $900. Find the value of the car of 8 years after its purchse by unig the exponential model V(t)=VoEtb, in which V(t) is the value of... more

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Pre Calculus Calculus Logarithms Logs

02/08/16

Solve for t in: 3(5)^(t) = 4(0.25)^(t+1) in the exact value

I have to solve for t using logs or natural logs and find the exact value of t. I've been trying for over an hour but have had no luck, thank you in advance to whoever solves!

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Pre Calculus

01/20/16

My question is in the description, it wouldn't fit.

One sales person is paid a salary of $800 per month plus a commission of 3% of her total sales. A second salesperson receives no salary, but is paid a commission of 10% of her total sales. What... more

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Pre Calculus

01/15/16

Pre algabra word problem. how did they get that answer?

how do you get a h(t)=12-12 cos (pi/3 x t) for a formula if bike tire diameter is 24" revolves at 10rpm, t=0 a certain point, and is at ht 0 and the question asked to find the H of the point above... more

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Pre Calculus Algebra College Algebra

01/11/16

Need help with math question?

three milligrams of preservatives are added 0.5-kg box of dried fruit. how many milligrams of preservatives are in 3 cartons of dried fruit if each carton contains 16 boxes?

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Pre Calculus Algebra College Algebra

01/11/16

Need help with math question?

a large bottle of hire's root beer weighs 1900 grams. if a carton contains 6 large bottles of root beer, find the weigh in kilograms of 5 cartons.

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Pre Calculus Algebra College Algebra

01/11/16

Need help with math question?

the smallest baby born in good health weighed only 8.6 ounces, less than a can of soda. she was born in chicago in december 2004. how much lighter was she than n average baby, who weighs about 7 lb... more

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Pre Calculus

Pre Calculus

Pre Calculus

how would you solve this: 4sin^2x=3? using interval [0,2pi]

tan (cos^-1(1/3)) = ???

The point (-6,7) in on the terminal side of angle t. Find cot(t) to 2 decimal points.

The point (-5,5) in on the terminal side of angle t. Find sec(t) to 2 decimal points.

prove the identity

how many of these choices is right?

An A-frame cabin is 26.23 feet high at the center, and the angle the roof makes with the base is 53.25 degrees. How wide is the base of the triangle?

Pre-calculus

Two lighthouses are located 25 miles from one another on a north-south line. If a person on a buoy is spotted 10° south of east from the

The triangle described is of the form SSA. Determine if there is no triangle possible, one triangle possible, or two triangles possible. If only one triangle is

Solve the triangle: a = 310, b = 466, c = 400. If it is not possible, say so.

Finding the Actual Doubling Time (Logarithms and Exponential Models)

Find the complex number z^9. (Enter your answer in a + bi form.)

Question is determine the values of a and b such that x-1 is a factor of both x^3+x^2+ax+b and x^3-x^2-ax+b?

Find the Maximum Value/ Chapter 3 Polynomial and Rational Functions

HOw to figure out purchase of car

Solve for t in: 3(5)^(t) = 4(0.25)^(t+1) in the exact value

My question is in the description, it wouldn't fit.

Pre algabra word problem. how did they get that answer?

Need help with math question?

Need help with math question?

Need help with math question?

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