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All Questions
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229309 Questions
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1101
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HELP ASAPPPPP!!!
Right triangle $XYZ$ has legs of length $XY = 12$ and $YZ = 6$. Point $D$ is chosen at random within the triangle $XYZ$. What is the probability that the area of triangle $XYD$ is at most $12$?
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Guest
Feb 14, 2020
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450
0
please help
Suppose that a disease is inherited via a sexlinked mode of inheritance so that a male offspring has a 50% chance of inheriting the disease, but a female offspring has no chance of inheriting the disease. Further suppose that 51.3% of births are male. What
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Guest
Feb 14, 2020
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391
2
help me out
Please help me solve the following Simultaneous Equation: 4x-7y=-30 5x-7y=-34 Find x and y. needGod.com
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Guest
Feb 14, 2020
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359
1
help please
One positive number is three more than twice another. If their product is 629, find the numbers.
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Guest
Feb 14, 2020
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440
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help
There were two competitions in a puzzle tournament. The Sudoku competition had twice as many participants as the Crossword competition. If 170 people competed overall, and 40 of them participated in both competitions, how many people participated in the
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Guest
Feb 14, 2020
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443
1
help
A fair die is rolled 8 times. What is the probability that the die comes up 6 exactly twice? What is the probability that the die comes up an odd number exactly five times?
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Guest
Feb 14, 2020
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711
1
Help please
Team A are playing against Team B in a baseball tournament. The first team to win three games wins the tournament. Team A have a probability of 2/3 of winning each game. Find the probability that they win the tournament.
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Guest
Feb 14, 2020
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588
3
Please help
During a donation drive, Jaheem donated as much as
3
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7
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Guest
Feb 14, 2020
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680
1
Give your answer in Standard Form
The number of blood cells in an organ increases from 7.2 × 10 4 cells to 3.1 × 10 6 cells. Work out the increase in the number of cells. Give your answer in Standard form
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Guest
Feb 14, 2020
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690
2
help
The area of the inscribed equilateral triangle is 75/4*sqrt(3). Find the perimeter of circumscribing square to the nearest whole number.
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Guest
Feb 14, 2020
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779
3
+308
help CPhill
What is the perimeter, in cm, of quadrilateral ABCD if *(imagine line over)AB is perpendicular to BC*, DC is perpendicular to BC, AB = 9 cm, DC = 4 cm, and BC = 12 cm?
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notsmart2.0
Feb 14, 2020
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672
3
Help!
Anty the ant is on the real number line, and Anty's goal is to get to 0. If Anty is at 1, then on the next step, Anty moves to either 0 or 2 with equal probability. If Anty is at 2, then on the next step, Anty always
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Guest
Feb 14, 2020
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580
1
help
If a plane leaves and it takes two hours to get there. When it returns it takes 30 minutes longer because it was going 10mph slower. What was the speed
ElectricPavlov
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Guest
Feb 14, 2020
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1789
1
help
Christopher runs a farm stand that sells apples and bananas. Yesterday Christopher sold 35 pounds of apples and 34 pounds of bananas for a total revenue of $163.50. Today he sold 15 pounds of apples and 17 pounds of bananas for a total revenue of $76.75.
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Guest
Feb 14, 2020
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605
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Proof for this post:
So this link: https://web2.0calc.com/questions/anty-the-ant-is-on-the-real-number-line-and-anty is a question that I needed help on solving. Though the answers are just one line answers, and I don't know if I can trust these answers. Can someone
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Guest
Feb 14, 2020
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1275
2
I'm confused about this:
A stick is 5 units long. It is broken at two points, chosen at random. What is the probability that all three pieces are longer than 1 unit?
I tried to set variables at different points. And I know that these variables range over
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Guest
Feb 14, 2020
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1152
1
blah
Mark charged a battery. Each minute, the percentage of the battery's capacity that was charged increased by 2.52.52, point, 5 percent. After 171717 minutes of charging, the battery was 61.561.561, point, 5 percent full.How
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Guest
Feb 14, 2020
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633
1
how do I do geometric mean?
how do I do geometric mean?
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Guest
Feb 14, 2020
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1115
1
help
ABCD is a square. M is the midpoint of BC and N is the midpoint of CD. A point is selected at random in the square. Calculate the probability that it will liein the triangle MCN.
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Guest
Feb 14, 2020
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481
1
I actually need hellp
Let F be defined by
Calculate
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Guest
Feb 14, 2020
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691
2
my question
A machine is purchased for $ 20,000 The terms are 10% down and and 2% per month on the unpaid balance for 60 months. how much are monthly payments. What annual effective interest rate is being charged
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Guest
Feb 14, 2020
0
2563
2
halps asap
Four points $A_1,$ $A_2,$ $A_3,$ and $A_4$ are chosen at random on a circle. Find the probability that chords $\overline{A_1 A_2}$ and $\overline{A_3 A_4}$ intersect.
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Guest
Feb 14, 2020
0
822
6
help
Mr. Perez is 3 times as old as his daughter now. In 15 years’ time, the sum of their ages will be 86 years. Find their ages now.
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Guest
Feb 14, 2020
0
3
1215
1
hard probability
A multiple choice exam has 4 choices for each question. A student has studied enough so that the probability they will know the answer to a question is 0.5, the probability that they will be able to eliminate one choice is 0.25, otherwise all 4 choices
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Guest
Feb 14, 2020
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