2,685 Answered Questions for the topic SAT math
Sat Math
04/07/21
−34 times a number minus 89 is equal to −41 less than the number.
If log m (ab) = 4 and log m (a/b) = 12, then find log m a / log m b
Hello! I would really appreciate some assistance in solving this problem algebraically. Thank you in advance!
Given the function f(x)=1-4^(2-x)[(1/2)^(x+3)], find the value/s of x such that f(x)<h(x) if h(x)=8^x
Hello! I would greatly appreciate any assistance in solving this problem involving exponential functions. Thank you in advance!
inverse of functions
y=4x−2Find four points contained in the inverse.
04/06/21
Tom, a holiday light inspector, has to check a shipment of multicolored Christmas lights. Suppose that the probability of a defective lightbulb is 30%.
a. Find the expected number of bulbs that Tom has to go through until he finds one that is defective.b. Find the probability that the first defective bulb that Tom finds is the 8th bulb.c. Find the...
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Mathematics: proof with sets
A) Prove that given sets S and T, we have S⊆T if and only if S=S∩TB) If S∩T=T∪S, then S=TC) If SxT=TxS and both T and S are nonempty, then S=T
04/01/21
Probability statistics
A typical adult has an average IQ score of 105 with a standard deviation of 20. If 19 randomly selected adults are given an IQ test, what is the probability that the sample mean scores will be...
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Sat Math Statistics
04/01/21
Probability statistics standard deviation
Men in a certain area have an average weight of 163 pounds with a standard deviation of 27 pounds.(a) Find the probability that 20 randomly selected men will have a sum weight greater...
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Sat Math
04/01/21
Probability Standard deviation
NeverReady batteries has engineered a newer, longer lasting AAA battery. The company claims this battery has an average life span of 18 hours with a standard deviation of 0.5 hours. Your statistics...
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Sat Math
03/30/21
What is the present occupancy rate of a 555-bed facility that only has 333 inmates booked?
What is the present occupancy rate of a 555-bed facility that only has 333 inmates booked?
Sat Math
03/30/21
What is the mean of this sampling distribution? What is the standard deviation for this sample? (Assume we are doing 100 SRSs)
Mr. Haupt believes that it’s common knowledge that Skittles all have the same flavor. And that flavor is gross. Much to his surprise, he finds out that some of his students do not believe this well...
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Some basic proof by cases problems
I'm stuck on these basic proof problems. Could you share your solutions with me?a)Prove 3|(2n^2+1) if and only if 3∤n for n∈Zb)Let a∈R. Prove that a^2≤1 if and only if -1≤a≤1
Sat Math
03/29/21
Question asked below
Use the letters p and q to symbolize the following statements: 5. I will go to the beach or the movies 6. I will stay at the library and play solitaire
Need some help with the question
Turner and his wife are saving for a down payment on a house. They think that they need $75,000.A. If Turner and his wife each put $100 from each paycheck (i.e.$200 weekly) into an account that...
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03/29/21
normal distribution
suppose 16 coins are tossed. find the probability of getting the following result using the binomial probability formula and the normal curve approximation.exactly 4 heads.use the table of areas...
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normal distribution
the mean clotting time of blood is 7.45 seconds with a standard deviation of 3.6 seconds. what is the probability that an individual's clotting time will be less than 4 seconds or greater than 9...
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Please help me as soon as possible please with algebra homework
Question 1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could...
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Please help me with this algebra homework question as soon as possible please
Question 1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could...
more
Hello, I need assistance with my algebra homework very soon please
Question 1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could...
more
Sat Math
03/26/21
You roll a 6-sided die. What is P(divisor of 32)?
Period.I need help with probability.
03/26/21
Plz help me i need this hundred
Hi um so these questions have stumped me for days please help me with my math homework
1.) Which function should be used to when evaluating the function at x = 3?A.)B.)2.) A computer training institute has 625 students paying $400 as the course fee. Their research shows that for...
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Hi I have not gotten any help please respond please help me very quickly
1.) Which function should be used to when evaluating the function at x = 3?A.)B.)2.) A computer training institute has 625 students paying $400 as the course fee. Their research shows that for...
more
Poor favor I am in desperate need of help I have not received any and I am on the verge of crying please help
1.) A carpet cleaning business has 100 customers when they charge $125 for a cleaning. Research shows that every $5 reduction in price attracts another 20 customers. Which equation could be used to...
more
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