college algenra
it a log problem? e^x=87
Oceanography
What substrate indicates the youngest and oldest beach? What are coral's symbionts?
psychology
A massage therapist stimulates the body, which in turn stimulates the: a. parietal lobe b. temporal lobe c. pituitary gland d. prefrontal cortex
math - earn interest
invest money that pays 6.3% interest/year compounded quarterly. How long should invest if want to double initial investment?
math - natural logs
Find the EXACT solution to e^(1-x) = 4^x You must use logs, not just a calculator.
algebra
How many years and days will it take for a deposit of $700 to double at 4% interest compounded continuously?
math
ball is thrown up at 88 ft/s from a height of 25 feet. Path of ball is y = -16t^2 + 88t +25. y is the height of ball above the ground t seconds after being thrown. when does it reach maxiumum height? (I got that at 2.75 s) At what time does the ball hit the ground? (I set equa...
algebra
invest $2,000, part earns 6% year and reh rest earned 11% year. Interest at end of year = $155. How much is invested at each rate?
Psychology
Which of the following statements describes the relationship between genes, chromosomes, and DNA? a. Genes, the basic unit of heredity, are located on chromosomes, which consist of strands of DNA b. Genes are composed of and DNA c. Chromosomes, the basic unit of heredity, dire...
psychology
thanks for your help
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