2,685 Answered Questions for the topic SAT math

05/08/21

what are all intervals on which (x-1)/(x^2-16) is positive?
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05/08/21

In the geometric sequence, the common ratio is -2 and the 5th term is 72. What is the second term?
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05/06/21

PLEASE HELP! I need help!
There are 5 different kinds of fruits. There is a fruit of every kind that can be randomized to any position. What is the probability of getting three identical fruits in a row?
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Sat Math Algebra

05/05/21

I want to sign up to be a tutor
I looked it up and found the form but it brings me back to the website and there's no place to sign up. Also- do I have to be a certain age to tutor? I can tutor SAT math because I got a high... more
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Sat Math

05/05/21

Tony spent a total of $70 at the grocery store of this amount he spent $49 on fruit what percentage of the total to spend on fruit
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05/04/21

I NEED A GOOD EXPERT
This is a homework sheet and I have little idea on where to startCreate a graph showing the speed of the milluniem falcon. Time (x: hours) Distance (y: light... more
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05/03/21

Given functions f and​ g, find f−g.
f(x)=5x−2​, ​g(x)=3x-5
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05/03/21

What is the solution of the​ equation? Eliminate any extraneous solutions
Let​ f(x)= x^2+6 and​ g(x) = x+8/x. Find ​(g◦​f)(-7)
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05/03/21

What is the solution of the​ equation? Eliminate any extraneous solutions
Let​ f(x)= x^2+6 and​ g(x) = x+8/x. Find ​(g◦​f)(-7)
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05/03/21

What is the solution of the​ equation? Eliminate any extraneous solutions
For the function​ f(x)=x+9, find f◦f^ −1(5).
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Sat Math Math Geometry Algebra

05/03/21

HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!
1) Suppose you invest money in two accounts. One of the accounts pays 4% interest annually, and the other account pays 5% interest annually. You have $ 2000 more invested in the account paying 4%... more
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05/02/21

Logarithm problem, help needed.
lnxlog√eex = 0.2, Find the value of x.
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05/01/21

this is due soon im lost its precaclulus

If ln x+ln(x−3)=ln(6x), then x=
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05/01/21

if i got help on this ill really appricate it so much this is precalculus for my hw

Use the Laws of logarithms to rewrite the expressionlog 3(x^17 3√y^14)in a form with no logarithm of a product, quotient or power.After rewriting we havelog 3(x^17 3√y^14) = A log 3 x + B log 3... more
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05/01/21

precalculus hw im lost

The 1906 San Francisco earthquake had a magnitude of 7.9 on the MMS scale. Around the same time there was an earthquake in South America with magnitude 7.5 that caused only minor damage. How many... more
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05/01/21

im trying to do this but i dont know where to start also its precalculus its due in a few hours
A roasted turkey is taken from an oven when its temperature has reached 185 Fahrenheit and is placed on a table in a room where the temperature is 75 Fahrenheit. Give answers accurate to at least 2... more
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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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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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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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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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05/01/21

can i get assistance on this im stuck this is precalculus

A wooden artifact from an ancient tomb contains 50 percent of the carbon-14 that is present in living trees. How long ago, to the nearest year, was the artifact made? (The half-life of carbon-14 is... more
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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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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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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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Sat Math

05/01/21

70% of the batteries last at least how long? (Round your answer to two decimal places.)
Suppose that the useful life of a particular car battery, measured in months, decays with parameter 0.02. We are interested in the life of the battery.
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