12/04/17
andrew answered 6 out of 20 questions incorrectly on his math quiz. if the ratio of incorrect questions remains constants, how many question should andrew answe
A. 24 questions
B. 21 questions
C. 30 questions
D. 9 questions
12/04/17
the equation of a line that passes through (4,-5) and (2,0)
What is the equation of a line that passes through (4,-5) and (2,0)
12/04/17
QUADRATIC FUNCTIONS:
QUADRATIC FUNCTIONS:For each of the following,a) Find the number of real roots -- find b^2-4ac: positive means 2 real roots, zero means 1 real root, negative means 0 real rootsb) Find all roots....
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12/04/17
What is the speed of the wind? Solve algebraically
An airplane makes a 1200km flight with a tailwind, and returns flying into the same wind. The total flying time is 4 hours 50 minutes, and the airplane's speed in still air is 500km/h. What is the...
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12/04/17
How many different ways could I roll eight 3-sided dice?
How many different ways can I roll eight 3-sided dice?
12/04/17
For a normally distributed set of data with a mean of 30 and a standard deviation of 5, find the percentage of data that lies between 30 and 34
Please help!
12/04/17
Twice an angle added to its complement equals 120 degrees. Find the angle and its complement.
2*x(90-x)=120
12/04/17
For a normally distributed set of data, the percentage of data less than a z-score of 0.83 is
what is the percentage?
12/04/17
Six times a number added to 8 amounts to -13 added to the product of 3 and the number
Please Help this problem has me stuck.. I would greatly appreciate it.I have been wrecking my brain trying to figure this one out.... Thanks in Advance
12/04/17
For a normally distributed set of data, find the area under the normal curve for the region between z-scores of 0.74 and 1.62
What is the area?
12/04/17
For a normally distributed set of data, find the area under the normal curve between the mean and a piece of data with a z-score of -1.24
What is the area under the normal curve between the mean and a piece of data with a z-score of -1.24?
12/04/17
How many different possible hands are there in a five card poker hand
from a deck of 52 cards
12/04/17
Do you agree with Sarah
Sarah says when you multiply two fractions that are both less than 1, you may sometimes get a product that is equal to or greater than 1. Do you agree with sarah's statement? Why or why not.
12/04/17
Jack usually mows his lawn in 6 hours. Marilyn can mow the same yard in 5 hours. How much time would it take for them to mow the lawn together?
I need help with my math word problems because I forgot how to do them and I need help with getting the answer where I do good on my online homework.
12/03/17
A box of folders are to be divided among 17 elementary school classrooms. If each classroom received 31 folders and there were 2 left over, how many folders
I’m really stuck on this question
12/03/17
John paints 3 rooms in 7 hours. At the same pace how long would it take him to paint 10 rooms?
this is a math problem
12/03/17
David moved 89 miles away from work to a 51 miles away from work. What is the percent decrease in the distance from his home to the workplace?
Amount of Change= Greater Value- Lesser Value P
= 89-51 substitute value
= 38 subtract
solve the inequality and graph the solution
-2.8 + c > - 3/10 <---|-----|-----|-----|-----|--->
12/03/17
solve the inequality and graph the solution
1/2+ × < 4 <---|------|----|----|----|--->
Thank you :)
Write an inequality to model the situation.Then solve for y.
The quotient of a number y and -3.6 is at least 6.5.
Thank you for your time! :)
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