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All Questions
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234773 Questions
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568
1
help
On each of the first three days of January, there is a 1/3 chance that it will snow where Bob lives. On each of the next four days, there is a 1/4 chance that it will snow. What is the probability that it snows at least once during the first week of
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Guest
Feb 7, 2020
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488
1
I don't know how to do this
In the SmallState Lottery, three white balls are drawn (at random) from ten balls numbered 1 through 10, and a blue SuperBall is drawn (at random) from ten balls numbered 11 through 20. When you buy a ticket, you select three numbers from 1-10
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Guest
Feb 7, 2020
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2298
3
+865
Does anyone know how to do this?
A bag contains five white balls and five black balls. Your goal is to draw two black balls.
a) You draw two balls at random. What is the probability that they are both black?
b) You draw two balls at random. Once you have
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AnimalMaster
Feb 7, 2020
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447
1
Need help pls vectors
Let u and v be linearly independent unit vectors. Find the set of all possible values of u *v
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Guest
Feb 7, 2020
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573
2
Help me
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Guest
Feb 7, 2020
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587
1
Help ASAP
1) Find an equation for the line with vector form <5,-2>, + t<2,6> in the form y = mx + b
For this I had no idea how to do
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Guest
Feb 7, 2020
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457
1
help
Mercury High School is requiring students to purchase parking permits this year in order to use campus parking lots. It costs the school a one-time fee of $500 to have the logo designed. It also costs $2 per permit to print and cut out each one. They expect
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Guest
Feb 7, 2020
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632
1
help
Susan drove at an average speed of 30 miles per hour for the first 30 miles of a trip and then at an average speed of 60 miles per hour for the remaining 30 miles of the trip. If she made no stops during the trip, what was Susan's average speed, in miles
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Guest
Feb 7, 2020
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633
1
math for a 4th grader
a classroom of 23 students orders 9 pizza for a party each pizza is cut into 8 slices
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Guest
Feb 7, 2020
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971
4
+108
Hi again Forum!
Hi again Forum!
I am struggling on this problem as of right now and would like some pointers.
Recall that a Mobius transformation f has an equation of the form f(z) = az+b/cz+d, where a, b, c, and
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BasicMaths
Feb 7, 2020
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861
2
help
Joaquin drove from Newark, NJ, to New Brunswick during rush hour at an average speed of 30miles per hour, and then drove back the same way at an average speed of 60miles per hour. If the round trip took 1 hour and 15 minutes, how many miles is Joaquin's
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Guest
Feb 7, 2020
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510
1
A factory used 1/5 of a box of pecans to make 2 pecan pies. How many boxes of pecans did the factory put in each pie?
A factory used 1/5 of a box of pecans to make 2 pecan pies. How many boxes of pecans did the factory put in each pie?
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Guest
Feb 7, 2020
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1037
1
help
Yoshi is going on a backpacking trip with his family. They need to hike to their favorite camping spot and set up the camp before it gets dark. Sunset is at 8:35 P.M. It will take 2 hours and 40 minutes to hike to the camping spot and 1 hour and 25 minutes
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Guest
Feb 7, 2020
0
633
3
A box contains 3 dumb-bells. Each dumb-bell has a mass of
A box contains 3 dumb-bells.
Each dumb-bell has a mass of
3
3 --
5
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Guest
Feb 7, 2020
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524
1
pls halp
A box contains 3 dumb-bells.
Each dumb-bell has a mass of
3
3
5
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Guest
Feb 7, 2020
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2254
1
really need help!
An astronaut on the moon throws a baseball upward. the astronaut is 6ft, 6 in. tall and the initial velocity of the ball is 30 ft per second. the height s of the ball in feet is given by the equation 2.7 t^2 + 50 + 6.5 where t is the number of seconds after
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Guest
Feb 7, 2020
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574
1
please help asap
The sum of a geometric series whose first three terms are 8000, -12000, and 18000 is 57875. What is the last term of the series?
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Guest
Feb 7, 2020
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641
2
Help
The vectors and can be written as linear combinations of and :
The vector can be written as the linear combination . Find the ordered pair .
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Guest
Feb 7, 2020
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563
1
help!!!
Sammy is an hourly employee who makes $26 per hour as an elevator technician. He is paid overtime pay of time-and-a-half for every hour that he works over 40. He worked 50 hours last week. What was his gross pay for the week?
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Guest
Feb 7, 2020
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673
2
help plz
What is the maximum possible length of the vector resulting from the following linear combination?
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Guest
Feb 7, 2020
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554
1
help vectors
Let and be linearly independent unit vectors. Find the set of all possible values of . Give your answer in interval notation.
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Guest
Feb 7, 2020
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601
3
help please
Find the length of a rectangle given that the perimeter is 110 cm and the length is 1cm more than twice the width.
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Guest
Feb 7, 2020
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618
1
please help
A pharmacist has a 6% solution of cough syrup and a 14% solution of the same cough syrup. How many ounces of each must be mixed to make 16 ounces of a 10% solution of cough syrup?
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Guest
Feb 7, 2020
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548
1
Biology
Which phrase accurately compares a fern sporophyte to the fern gametophyte?
a) Smaller than.
b) Larger than.
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Guest
Feb 7, 2020
0
919
1
PLEASE HELP VERY CONFUSING
1) a certain regular square pyramid, all of the edges have length 12. Find the volume of the pyramid.
2) In a certain rectangular prism, the total length of all the edges is 40and the total surface area is 48.Find the length of the diagonal
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Guest
Feb 7, 2020
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