09/14/17
Two times one complementary angle is 6 degrees less than the second is 3 degrees. Find the angles.
find x and 90-x
09/14/17
How many child tickets were sold that day?
At the museum, child tickets cost $6.20, and Adult tickets cost $9.40. On sunday, three times as many adult tickets as child tickets were sold, for a total of $825.60. How many child tickets were...
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09/14/17
The area (in ft2) of a rectangle that is eight times as long as it is wide; w = width of the rectangle (in ft)
This is a pre-cal problem. I need to express its given quantity in terms of the indicated variable.
09/14/17
An access ramp rises 3.2 feet over a distance of 30 feet. What is the angle of the ramp with the horizontal?
Using Trigonometric Ratios to Find Measures of Angles of Right Triangles
Use the Venn diagram to write the numbers of the correct regions
There are 3 interlocking circles in the universe, with the number 8 outside the circles. Circle A has the numbers 1,2,3 & 4 while circle B has the numbers 3,4,5,6 & Circle C 2,3,6,7 Where...
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09/13/17
invest part of 8000 in stock that lost 2%. invested the rest at 8% annually. her gain for the year at least $400 what was the most she couldve invested in stock
jenny invested part of $8000 in stock that lost 2%. She invested the rest at 8% annually. If her gain for the year was at least $400, what was the most she could have invested in stock? yall please...
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what is highest level of measurement (nominal, ordinal, or Interval-ratio) for income
1. Determine the highest level of measurement (nominal, ordinal, or Interval-ratio) for each of the following variables. Identify the highest level at which the variable might be measured. Explain...
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09/13/17
assume all sample points equally likely to occur
four coins are tossed. List the sample space and find the probabilities of the occurrence of the following events:
A: exactly 3 heads
B: Second coin heads
C: more heads then tails
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09/12/17
Total value of money
A bank teller has a total of 70 bills in five ten and twenty dollar denominations. the total value of the money is $960. what are the total number of solutions? what is the solution with the...
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09/12/17
how many seats are on the main floor and how many seats are in the balcony?
a theatre charges $8 for main floor seats and $5 for balcony seats. if all seats are sold the ticket income is $4200. at one show 25% of main floor seats and 40% of balcony seats were sold and the...
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09/12/17
An urn holds 19 identical balls except that 1 is white, 9 are black, and 9 are red...
An urn holds 19 identical balls except that 1 is white, 9 are black, and 9 are red. An experiment consists of selecting two balls in succession without replacement and observing the color of each...
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09/12/17
How many muffins need to be sold to break even?
Jennys bakery sells carrot muffins at $2 and the oven costs $120 per day and the cost of making one muffin is $1.40.
09/12/17
parabola transformations
The graph of g is a horizontal shrink by a factor of 1/2 and a translation 1 unit down, followed by a reflection in the x-axis of the graph of f(x)=(x+6)^2+3. Write a rule for g. Then identify the...
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09/11/17
took crew 1 h 50 min to row 8 km upstream and back again.rate of flow of the stream was 5 km/h, what was the rowing speed of crew in still water?
It took a crew 1 h 50 min to row 8 km upstream and back again. If the rate of flow of the stream was 5 km/h, what was the rowing speed of the crew in still water?
CHEBYSHEV'S THEOREM QUESTION
Suppose that salaries for recent graduates of one university have a mean of $25,500 with a standard deviation of $1050. Using Chebyshev's Theorem, what is the minimum percentage of recent...
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09/10/17
Determine the following estimate without using a calculator. Then use a calculator to perform the computation necessary to obtain an exact answer.
Determine the following estimate without using a calculator. Then use a calculator to perform the computation necessary to obtain an exact answer. How reasonable is your estimate when compared to...
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09/10/17
Find the value of r, s, and t that produces the solution of (-3,-4) with the equations 9x-5y=-7 and rx+sy=t
How to solve variables given a solution
09/10/17
Empirical Rule Stats
Suppose that grade point averages of undergraduate students at one university have a bell-shaped distribution with a mean of 2.61 and a standard deviation of 0.44. Using the empirical rule, what...
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09/09/17
The graph of g is a horizontal shrink by a factor of 1/2 and a translation 1 unit down, followed by a reflection in the x-axis of the graph of f(x)=(x+6)^ +3.
Have to find the rule of g that describes the transformations of the graph of f.
09/09/17
What is it that differentiates a binomial probability distribution from any other probability distribution?
What is it that differentiates a binomial probability distribution from any other probability distribution?
Explain why this is or is not a probability distribution,
x 1 2 3 4
P(x) 0.4 0.3...
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09/08/17
Help with probability!!! Not good at probability!
Help with number 17???On a fair coin, each side has an equal probability of coming up. When a fair coin is flipped n rimes, the most likely outcome (the mean) is that each side will come up times,...
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You've invested $30,000
You've invested a total of $30,000 at 3% and 4 1/2% simple interest. During one year, the two acco earned $1200. How much did you invest in each account?
09/07/17
What is the probability of this low chance even occuring at least once in 10,00 trials?
What is the probability of an event, with a 0.002% chance of occurrence, of occurring at least once in 10,000 trials? I'd say "0" intuitively but I'm not that math savvy. What is the probability?
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