need algebra hw help. thank you in advance
need algebra hw help. thank you in advance
The total annual interest from 2 investments is 81$. Some amount of money is invested at 5% simple interest and $300 more than this amount is invested at 7% simple interest. How much was invested...
A concrete walk of uniform width around a rectangular garden that measures 24 by 40 feet is to be built. You have available concrete mix of 272 square feet. How wide should the concrete walk be to...
Need help with algebra hw. Thank you
alyssa is determined to get some exercise and walks to the store at a brisk rate of 4.5 mph. she meets her friend ellie at the store and together they walk the same distance back at a slower rate...
Find the product by applying formula : (3a-10)(3a-5)
f(x)= -3x-2 x less than 4 3/4x-1 x greater than or equal to 4 I have figured out the domain is (-infinity,infinity). I am really struggling on...
For f(x)=4x^3, construct and simplify the difference quotient f(x+h)-f(x)/h Just so there is no confusion f(x+h)-f(x)/h means...
I need to solve and simplify this problem 22x+1=8
The exponential equation has to be solved 5x=2 I'm trying to find the exact answer and solution
The average height of mountain A is 19,210 ft and its average height is 8890 ft less than the sum of the average heights of mountains B and C. The average height of mountain C is 280 ft less than...
4x = 6 What is the method to find x?
x -1 squared = 25
5x = 4 ?????
not sure how to work this out, I've tried 16 different times and my mind just isn't working with me
The point (1, −1) is on the terminal side of angle θ, in standard position. What are the values of sine, cosine, and tangent of θ? Make sure to show all work.
Bob's average (arithmetic mean) on six math tests this marking period is 80. Fortunately for Bob, his teacher drops each student's lowest grade , and this raises Bob's average to 90. What was his...
A particular lake has water lilies growing on it. On the first day, there are two water lilies. Each day, the number of water lilies doubles. After 30 days, the water lilies cover half the lake. How...
The question is, "The speed of sound is 1088 feet per second at sea level at 32 F. Write and solve an equation to find the distance sound travels in 8 seconds under these conditions."
A.) -3x^2+12x-21 B.) 3x^3+36x^2+12x-21 C.)36x^2+12x-21 D.)36^3-3x^2+12x-21