lekRJtj

7 Questions
19 Answers

0

775

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Melissa invested $500 in a savings account the pays an annual interest rate of 3.5% compounded continuously. How long will it take for her savings

Melissa invested $500 in a savings account the pays an annual interest rate of 3.5% compounded continuously. How long will it take for her savings to reach $650.

I know this uses the A=Pe^rt formula but I only know read more ..

lekRJtj Mar 15, 2016

0

677

2

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Guy I'm in serious need for help. I seriously don't know how to do f^-1(x) and all that.

Guy I'm in serious need for help. I seriously don't know how to do f^-1(x) and all that.

f(x) = x - 3 and g(x) = 2x + 1 find g(f^-1 (2))
read more ..

lekRJtj Mar 15, 2016

0

3281

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A radioactive element's half-life is the time it takes for one half of the element's quantity to decay. The half=lif of Plutonium-241 is 14.4 years. The

A radioactive element's half-life is the time it takes for one half of the element's quantity to decay. The half=lif of Plutonium-241 is 14.4 years. The number of grams A of Plutonium-241 left after t years can be modeled by A = p(0.5) t/14.4, read more ..

lekRJtj Feb 10, 2016

+10

1072

4

+99

sqr(x+7) + 5 = x

sqr(x+7) + 5 = x
I would like to know which answer is extraneous, 2 or 9, or if I did it wrong.

I would also like to know if it is possible that there is only one answer and it is extraneous. read more ..

CPhill ●●●●

lekRJtj Jan 29, 2016

0

663

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From the "home section" is the question section 24/7?

I just wanted to ask, what is this for? Is it available 24 hours?

lekRJtj Jan 28, 2016

+5

939

1

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This is the original equation sqrt of (11x+3) -2x = 0

This is the original equation sqrt of (11x+3) -2x = 0
I want to know if the extraneous sollution is -1/4 or 3.

or if i did it totally wrong and it's neither -1/4 or 3.... '_' read more ..

lekRJtj Jan 28, 2016

0

964

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sqrt3(8^4 please give me steps?

sqrt3(8^4 please give me steps? the whole equation is (x-2)^3/4 = 24

Hayley1 ●●●●●●●

lekRJtj Jan 28, 2016