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Deven
Questions (11)
I just need help with the "_", since each "_" needs to be a whole number from 1-9, and each number can only be used once.
Equatio
2 answers
254 views
You are skiing down a mountain with a vertical height of 1500 feet. The distance from the top of the mountain to the base is
1 answer
1,426 views
the population of a city is given by 3000e^(kt), where t = 0 corresponds to the year 1960. in 1950 the population was 2400. Find
6 answers
518 views
a certain radioactive element has a half life of 31.2 years. in how many years will contamination reach 32% of the original
2 answers
721 views
In a fast-pitch softball game the pitcher is impressive to watch, as she delivers a pitch by rapidly whirling her arm around so
1 answer
5,355 views
In a fast-pitch softball game the pitcher is impressive to watch, as she delivers a pitch by rapidly whirling her arm around so
1 answer
3,557 views
what is the electron configuration of Iron (metal) ?
what is the 0rbital notation?
0 answers
436 views
mark knows that his yard is 2 1/4 times as long as it is wide. which equation shows the length, in feet, of the fence that goes
7 answers
2,181 views
if y=1/2ln(x^2+5), then dy/dx=
1 answer
378 views
Can someone help me with this summary? We read a story in French class, but I have not taken french in a year so I am soo
4 answers
617 views
complete to find equivalent fractions
3/4=3/4* / = /
1 answer
867 views
Answers (10)
Would it not be 2cm high? 7cm x 4cm = 28 cm. 56/28 = 2 cm.
I got 66.73 because tan^-1 (100/43)
I understand now. I was doing 2400 - 3000. Had I don't division and followed through, I would have seen it. Thank you both!
@oobleck So I assume 1/10 is 1 year, but where does ln 1.25 come in from? If I follow correctly, you should end up with 600 = e^(-10k). Correct me if I made a mistake.
@Jakob Sorry. I misunderstood it. I want to say the answer is 1 if you follow the pattern, and that i=-1, so -i = 1, but I'd wait for a teacher to help. Sorry if it didn't help.
So the answer would be 51.168 years to get to 32% contamination?
Isn't it just -1?
It is C.
b,c,c,d
thanks! is the rest of the paragraph alright?
