477 Answered Questions for the topic Precalculus Homework
Precalculus Homework Precalculus
12/08/17
Use an Addition or Subtraction Formula to simplify the equation.
sin(3θ) cos(θ) − cos(3θ) sin(θ) = 0
A.) sin(2ø)=0
B.) Find all solutions in the interval [0, 2π).
I just need help on part B. Thank you in advance!
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Precalculus Homework
12/03/17
Precalculus
The yearly depreciation of a certain machine is 55% of its value at the beginning of the year. If the original cost of the machine is $20,000, what is its value after 4 years?
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11/30/17
Use an Addition or Subtraction Formula to find the exact value of the expression
A.) cos(225º)
B.) tan (75º)
Precalculus Homework
11/30/17
csc theata - 3 + 2sin theata = 0
precal I need help........
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Precalculus Homework
11/29/17
Find the vertex, x and y-intercepts, and sketch a graph
𝑓𝑥 =−2𝑥^2−8𝑥+1
Precalculus Homework Precalculus
11/29/17
Solve triangle ABC
A.) a = 20, b = 25, c = 22
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Precalculus Homework
11/29/17
A radioactive substance decays exponentially at a rate of 7% per hour. How long do you have to wait until the substance has decayed to 1/4 of its original size
I would like to know how to solve this
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Precalculus Homework Precalculus
11/20/17
Can you help me with my Precalculus?
im really struggling. The question reads “How much 60% acid solution must be added to 20 ml of 30% solution to achieve a 50% acid solution?”
can you please help me?
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Precalculus Homework Precalculus
11/20/17
Can you help me with my Precalculus?
the question I’m stuck on is “ solve 2/-6x - 3x/x-4 is greater than or equal to 0”
sorry I had to write it out different, there aren’t many options lol. If you can help me out, that would be great :)
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Precalculus Homework Precalculus
11/20/17
Can you help me with my Precalculus homework?
the question is “a ball is hit with an initial velocity of 80 feet per second from a tee 3 feet above the ground. What is the max height of the ball? When does it hit the ground?”
please help...
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Precalculus Homework Precalculus
11/20/17
Can you help me with my Precalculus?
the question reads “a box is formed by cutting squares out of the corners of a flat piece of metal and folding the sides up. What size cuts should I make to a 14 inch by 20 inch piece to get a...
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Precalculus Homework Precalculus
11/20/17
Can you help with my Precalc?
the question says “a rectangular animal pen is built. One side of it is the wall of a barn. It is 1680 ft sq. If Tom can put up the fence in 12 hours, how fast will bob have to work so that the...
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Precalculus Homework Precalculus
11/20/17
Can you help with my Precalculus?
im really struggling. The question reads “How much 60% acid solution must be added to 20 ml of 30% solution to achieve a 50% acid solution?”Can you help?
Precalculus Homework Precalculus
11/20/17
Can you help with my Precalculus?
in my Precalculus homework, the question is “There has to be a rectangular area of 1680 ft sq. for my pig. There is the wall of a barn for one side. How much fencing would you need to buy?” Yes...
more
Precalculus Homework Precalculus
11/20/17
Can you help me with my Precalculus?
im really struggling. The question reads “How much 60% acid solution must be added to 20 ml of 30% solution to achieve a 50% acid solution?”i am so lost :(
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1
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Precalculus Homework Precalculus
11/20/17
Can you help with my Precalculus?
the question reads “a box is formed by cutting squares out of the corners of a flat piece of metal and folding the sides up. What size cuts should I make to a 14 inch by 20 inch piece to get a...
more
Precalculus Homework Precalculus
11/20/17
I’m not sure how to solve this
in my Precalculus homework, the question is “There has to be a rectangular area of 1680 ft sq. for my pig. There is the wall of a barn for one side. How much fencing would you need to buy?” Yes...
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Precalculus Homework Precalculus
11/14/17
given radian measure find the degree measure
3pi/10 rad
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11/14/17
A laser beam is to be directed toward the center of the moon, but the beam strays 0.5 ◦ from its intended path.
a) How far has the beam diverged from its assigned target when it reaches the moon? (The distance fromthe earth to the moon is 240,000 miles.)
b) The radius of the moon is about 1,000 miles....
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Precalculus Homework Precalculus
11/14/17
(1 mile = 5280ft)
How many revolutions will a car wheel of 30in make as the car travels 1 mile?
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Precalculus Homework Precalculus
11/06/17
How do I solve this problem??
i have a problem on my precalculus homework. I’m having a rough time. It says “Find the power function that represents the points (5, 2), (7, 5) And (10, 9)”please help me. I’m having a lot of...
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Precalculus Homework Precalculus
11/06/17
How do I solve this problem?
i have a problem on my precalculus homework. I’m having a rough time. It says “Find the power function that represents the points (5, 2), (7, 5) And (10, 9)”please help me. I’m having a lot of...
more
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11/05/17
How do I solve this problem?
im having trouble on my Precalc homework. This is the problem: “a box is formed by removing squares of side length x inches from each corner of a rectangular piece of cardboard 10 inches wide by 16...
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