i just need to solve 0.037=x+1 please help

Question

anonymous · Answer

i think i need to divide both sides by x+1

vocaloid · Answer

Subtract 1 from each side

anonymous · Answer

-0.963?

anonymous · Answer

@Vocaloid could you help me with 2 more?

vocaloid · Answer

Sure

anonymous · Answer

The Mendes family bought a new house 9 years ago for $108,000. The house is now worth $165,000. Assuming a steady rate of growth, what was the yearly rate of appreciation? Round your answer to the nearest tenth of a percent (1.2% etc)

vocaloid · Answer

First find (change in price)/(number of years)

anonymous · Answer

18333.33

vocaloid · Answer

(165000-108000)/9 = ?

anonymous · Answer

6333.33

vocaloid · Answer

right, now we find the percentage compared to the original price

100*(6333.33/108000) = ?

anonymous · Answer

5.864?

vocaloid · Answer

right, then round to the nearest 10th

anonymous · Answer

5.9?

vocaloid · Answer

right, so our answer is 5.9%

anonymous · Answer

An anthropologist finds bone that her instruments measure it as  0.494% of the amount of Carbon-14 the bones would have contained when the person was alive. How long ago did the person die? 
The half life of carbon 14 is 5,730 years. Round your answer to the nearest thousand.

vocaloid · Answer

portion remaining = (2)^(number of years/half-life)

.494/100 = (2)^(x/5730)
solve for x

anonymous · Answer

i couldnt solve it

anonymous · Answer

@Vocaloid help, i couldnt solve it

vocaloid · Answer

.494/100 = (2)^(x/5730)

log(.494/100)/log(2) = x/5730

anonymous · Answer

@Vocaloid  keep getting error and i cant solve it :(

vocaloid · Answer

small correction

log(.494/100)/log(0.5) = x/5730

7.66 = x/5730
x = 44,000 years (rounded)

anonymous · Answer

okay one more easy one e^2x+1=5.324

andrearchat · Answer

X=-.73

anonymous · Answer

1.672=2x+1 , now what? @Vocaloid

anonymous · Answer

wait no its 1.672=2x-1

vocaloid · Answer

|dw:1438019083848:dw|
is this what the problem looks like?