2,195 Answered Questions for the topic Pre Calculus

Pre Calculus Math Precalculus Sat Math

05/01/21

ive been trying this for hours this is precalculus

Find the time required for an investment of 5000 dollars to grow to 8300 dollars at an interest rate of 7.5 percent per year, compounded quarterly.Your answer is t= ____   years.
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Pre Calculus Math Precalculus Statistics

05/01/21

im not so good on this i need help its precalculus

The count in a bacteria culture was 700 after 10 minutes and 1900 after 30 minutes. Assuming the count grows exponentially,What was the initial size of the culture?   ___Find the doubling... more
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Pre Calculus Math Precalculus Statistics

05/01/21

im lost on this precaluclus hw help please
The doubling period of a bacterial population is 20 minutes. At time t=90 minutes, the bacterial population was 90000.What was the initial population at time t=0?  ___ Find the size of the... more
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Pre Calculus Math Precalculus Statistics

05/01/21

im a bit confused on how to start precalculus

A bacteria culture initially contains 2500 bacteria and doubles every half hour.Find the size of the baterial population after 60 minutes.   ____Find the size of the baterial population after 10... more
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Pre Calculus Math Precalculus Statistics

05/01/21

IM lost and this hw is due soon please help

At the beginning of an experiment, a scientist has 212 grams of radioactive goo. After 135 minutes, her sample has decayed to 26.5 grams.What is the half-life of the goo in minutes? ____Find a... more
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Pre Calculus Math Precalculus Statistics

05/01/21

this questions is too hard i need help its precalculus thanks

The half-life of Palladium-100 is 4 days. After 24 days a sample of Palladium-100 has been reduced to a mass of 5 mg.What was the initial mass (in mg) of the sample?  _____What is the mass 6 weeks... more
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Pre Calculus Math Precalculus Statistics

05/01/21

i dont know how to start this precalculus hw
The half-life of Radium-226 is 1590 years. If a sample contains 500 mg, how many mg will remain after 2000 years?  _____mgGive your answer accurate to at least 2 decimal places.
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Pre Calculus Math Precalculus Statistics

05/01/21

I need help its due soon please its precalculus

You go to the doctor and he gives you 15 milligrams of radioactive dye. After 16 minutes, 4.5 milligrams of dye remain in your system. To leave the doctor's office, you must pass through a... more
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Pre Calculus Math

05/01/21

Give the exact value of cos (3𝜋/4 − 11𝜋/6)
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Pre Calculus Math

05/01/21

Find the exact value of cos(sin^−1 2𝑥)
the 2x is not raised to the power of sin
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Pre Calculus Math

05/01/21

Find the exact value of cos 5𝜋/3
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Pre Calculus

04/30/21

Double angle formula question
Use the double angle formulas to find sin 2x, cos 2x, and tan 2x. cot x= 2/3, sin x > 0
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Pre Calculus

04/30/21

A=Pe rt , to find how long it will take $1500 to triple in value it is is invested at 12% interest, compounded continuously.

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04/29/21

Use the graph below to find the limits or explain why the limits do not exist.
a) lim_x→2^- f(x)b) lim_x→2^+ f(x)c) lim_x→2 f(x)It will not let me put the graph but it is a graph showing only the first quadrant labeled 1-5 on both axes. One line has a slope of 1, passes... more
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Pre Calculus Math Precalculus

04/29/21

Solve for x: 5^𝑥 = 3^𝑥-2
Please help me with this question with a step by step
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Pre Calculus Math Precalculus

04/29/21

Condense to a single logarithm: log 3𝑥 + log(2𝑥 − 1) − 4 log 5𝑥
Please help me a step by step
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Pre Calculus Math Precalculus

04/29/21

Expand to a sum or difference of logarithms: log (subscribt) 5 (25(𝑥−5)^2 /3(x+2)
The 5 is the subscribt, there is one big fraction, please help me with a step by step
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Pre Calculus Math Precalculus

04/29/21

Solve for x:2 ^2x-4/5 = (3) √2
The 2x-4 over 5 is in the exponent for the first part then it is 2 cubed root
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Pre Calculus Math Precalculus

04/29/21

Write an equivalent expression for log(subscribt) 6 10
The 10 is not in the subscribt, please help me with a step by step
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Pre Calculus Math Precalculus

04/29/21

Determine the domain of 𝑓(𝑥)=log(subscribe ) 3 (4−5𝑥)
Only the 3 is the subscribt, please help me solving this
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Pre Calculus Math Precalculus

04/29/21

Determine the range of a quadratic function with a maximum value of 5 that occurs at 𝑥 =

Please help me with the pre-calc question
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04/29/21

Let F of x equals the integral from x to 1 of the square root of the quantity of 1 plus t squared . Use your calculator to find F'(1)
Let  . Use your calculator to find F'(1). a 0 b c d 1 my answer is c
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04/29/21

Which of the following functions grows the slowest as x goes to infinity? (4 points)

Which of the following functions grows the slowest as x goes to infinity? (4 points) a 5x b 5x c x5 d They all grow at the same rate. my answer is b
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04/29/21

Which of the following functions grows at the same rate as 3x as x goes to infinity?
Which of the following functions grows at the same rate as 3x as x goes to infinity?a)2xb)c)d)my answer is D
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04/29/21

What does limit as x goes to infinity of the quotient of f of x and g of x equals infinity show
What does  showa)g(x) grows faster than f(x) as x goes to infinity.b)f(x) and g(x) grow at the same rate as x goes to infinity.c)f(x) grows faster than g(x) as x goes to infinity.d)L'Hôpital's Rule... more
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