Thursday
December 12, 2013

Posts by molly

Total # Posts: 413

Math 9 algebra
A mechanic charges \$70 an hour plus the cost of parts to repair a vehicle. The parts cost \$215 for the repair on Tamara's car. A) write an expression for the total cost, C, of repairing Tamara's car for any numbers of hours, n. B) use the expression you created in part...

Calculus 1
(a) What is the continuous percent growth rate for P=130e^0.07t , with time, t , in years? (b) Write this function in the form P=P0a^t. What is the annual percent growth rate? Round your answer to two decimal places. I tried it but now I'm just more confused. How do I do ...

math
Find a fraction that reduces to 3/4 when both the numerator and denominator are decreased by i, and reduces to 4/5 when both the numerator and denominator are each increased by 1. I know the answer is 7/9, but i dont know how to solve (i must use a system of equations).

Chemistry
6.326

Math 9
Thanks :)

Math 9
use exponent rules to simplify. Write as a single power, dont need to find the value. [ (11/20)^4 x (11/20)^-8]^5 and (11/20)^-6 you cant leave an number to the power of a negative exponent. You have to change it like this ex : 2^-3 = 1/2^3 = 1/8

algebra
-A store sells 28 ounces of peanut butter for \$2.24. The store also sells 32 ounces of teh same peanut butter for \$2.40. Which is a better buy?

World history
12. The Delhi Sultanate ruler Radiyya first took power chiefly because A. she proved herself in battle. B. she wore men's clothes. C. she killed her brother. D. her father chose her as his successor. I chose c

Spanish
Ok can u Atleast check if it makes sense? I wanna pass

Spanish
I found it can i send a recording??

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