3 years ago

What’s 6 times -1 times 2

Mathematics

1 answer:

ki77a [65]3 years ago

5 0

6 times -1 times 2 it equals -12

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Please help confused with half life /compound interest problems

jekas [21]

Half life means only half of matter is left, which means half is decayed/radiated.
Formula for half life is
t/2 = [(elapsed time)*(log2)]/[log(beginning amount/ending amount)]
1. t/2 = [(10)*(log2)]/[log(100/76.1)] = 25.378 minutes.
t/2 = [10 * 0.301]/[log 1.314] = [3.01]/[0.1186] = 25.378
2. 53.12 = [(T)*(log2)]/[log(15/4)], on solving we get, T = 101.29 days
53.12 = [T * 0.301]/[log 3.75] = [0.301 * T]/[0.574],
T = [53.12 * 0.574]/[0.301] = [30.49]/[0.301] = 101.29<span />

6 0

3 years ago

Richard was earning $10/hr working for Diane’s landscaping company. Diane said that productivity was decreasing, so everyone had

pentagon [3]

Answer:

Richard is making $9.6 per hour now

Step-by-step explanation:

Given:

Initial amount Richard was earning = $10/hr

Due to lass in productivity 20% pay was cut

Amount Richard was earning after 20% pay cut = $8/hour.

After few again due to increase in productivity Diane gave a 20% raise.