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All Questions
+0
234931 Questions
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683
4
Any help is appreicated.
Any help is appreicated.
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Guest
Mar 5, 2020
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711
1
HELP!!!
Please help with this equation my 4th grade math teacher is giving extension and i know quadratics and other stuff but i don't know how to solve this properly The real numbers $x$ and $y$ satisfy \begin{align*} x + y &= 4, \\ x^2 + y^2 &= 22, \\
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Guest
Mar 5, 2020
0
1121
1
help
In a shipment of 22 smart phones, 3 are defective. How many ways can a quality control inspector randomly test 5 smart phones, of which 3 are defective?
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Guest
Mar 5, 2020
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741
2
geo problem
Find the orthocenter of a Triangle JKL with vertices J(2,1), K(9,1), and L(4,6).
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Guest
Mar 5, 2020
0
557
1
help!!!
3 hunters have probabilities 2/5, 1/2 and 3/4 of hiting a target. Find the Probability that:
(a) All hits the Target
(b) Hits the Target
(c). None hits the Target
(c) One hits the Target
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Guest
Mar 5, 2020
0
714
3
Counting Help!
At a local carnival, Mia is shooting at a row of 10 duck targets. Each time she shoots at a duck, the duck she shoots and any ducks immediately next to it fall down. In how many different ways can Mia shoot three ducks? (The order of the ducks also matters.)
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Guest
Mar 5, 2020
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724
2
Help ASAP!
Find the number of ways of distributing 20 chocolates, 20 gummy bears, and 20 lemon drops among two people, so that each person gets 30 candies. (The candies of each type are indistinguishable.)
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Guest
Mar 5, 2020
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444
0
Help with Probability
Three black beads, two red beads, and a yellow bead are arranged in a line. What is the probability that no black bead is adjacent to the yellow bead?
Guest
Mar 5, 2020
0
758
1
The boat is going 10 miles per hour in still water it takes 2 hours to go downstream and 3 hours to go upstream.
The boat is going 10 miles per hour in still water it takes 2 hours to go downstream and 3 hours to go upstream. What’s the speed of the current and distance of the trip?
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Guest
Mar 5, 2020
0
832
2
Help much needed. Looks easy but I don't know the final step.
In triangle ABC with AB = 10, let D be a point on side BC such that AD bisects angle BAC. If CD/BD = 2 and the area of ABC is 50, compute the value of BAD in degrees
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Guest
Mar 5, 2020
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449
1
Help
Is the Square root of 2/9 rational or irrational
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Guest
Mar 5, 2020
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561
1
i feel really stupid
There are 27 red or blue marvels in a bag. The number of red marbles is 5 less than 3 time the number of blue marbles. How many red marbles are in the bag? How many blue marbles are in the bag?
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Guest
Mar 5, 2020
0
2362
4
PLEASE HELP!!!
Jeri finds a pile of money with at least 200. If she puts 50 of the pile in her left pocket, gives away 2/3 of the rest of the pile, and then puts the rest in her right pocket, she'll have more money than if she instead gave away 200 of the original pile
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Guest
Mar 5, 2020
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636
1
need help on this problem
How many liters each of a 15% acid solution and a 35% acid solution must be used to produce 70 liters of a 25% acid solution?
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Guest
Mar 5, 2020
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823
1
help
A grocer wants to mix two kinds of nuts. One kind sells for $1.10 per pound, and the other sells for $2.40 per pound. He wants to mix a total of 30 pounds and sell it for $2.15 per pound. How many pounds of each kind should he use in the new mix?
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Guest
Mar 5, 2020
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586
0
Help me
In how many ways can we pick three different numbers out of the group
such that the largest number is larger than the product of the two smaller ones? (The order in which we pick the numbers does not matter.)
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Guest
Mar 5, 2020
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745
1
please help
You are ordering a hamburger and can get up to 7 toppings, but each topping can only be used once. You tell the cashier to surprise you with the toppings you get. What is the probability that you get 2 toppings
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Guest
Mar 5, 2020
0
555
1
help!
If , at what value of y will there be a horizontal asymptote?
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Guest
Mar 5, 2020
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