05/12/24

3x - 7y = 4 and -6x + y = 5
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05/12/24

Permutations and Combinations
There are 18 mathematic majors and 325 computer science majors at a college. In how many ways can one representative who is either mathematic major or computer science major be picked?
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05/11/24

You pick a letter from the alphabet. What is the probability of selecting a consonant twice in a row?
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05/11/24

You roll two die. What is the probability of rolling a 1 and a number that is at most 3?
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05/11/24

There are 5 red, 6 blue, 7 green, and 3 yellow marbles in a bag. What is the probability of pulling a green or yellow marble out?
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05/11/24

There are 5 red, 6 blue, 7 green, and 3 yellow marbles in a bag. What is the probability of pulling a green marble out?
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05/11/24

Probability math
There are two kinds of potato, A and B. The question is if the reason if one gets eaten by worm is because the worms prefer one of the kinds. From 200 samples of potatoes from each kind 12 of A and... more
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05/11/24

prove value for c^2 in triangle abc
prove c2=a2cos(2A)+b2(cos(2B)+2ab(cos(A-B)
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05/11/24

Math question
Find the integral of the function using definition of integral. b=6 a=2 (3x2-4x-1)Thank you
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05/10/24

Probability math
Every mushroom is edible with the probabiloity 0.95, independent of other picked mushrooms.What would be the the probability that 300 are edible amongst 320 picked? And how many mushrooms would... more
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05/10/24

A lidless box is to be made using 2 m^2 of cardboard. Find the dimensions of the box with the largest possible volume.
A lidless box is to be made using 2 m2 of cardboard. Find the dimensions of the box with the largest possible volume.A lidless cardboard box is to be made with a volume of 4 m3. Find the dimensions... more
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05/09/24

The members of the city cultural center have decided to put on a play once a night for a week. Their auditorium holds

The members of the city cultural center have decided to put on a play once a night for a week. Their auditorium holds 600 people. By selling​ tickets, the members would like to raise $3900 every... more
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05/09/24

Nine subtracted from w is greater than or equal to -22
Nine subtracted from w is greater than or equal to -22
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05/09/24

Find what the student did wrong
A student uses the triangle shown to calculate m<A. Find and explain the student’s errorTan A=24.5/20.7Tan A=1.184Tan-11.184=A49.81=ATherefore, m<A≈49.81°
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05/09/24

Determine how long the ramp needs to be
To be ADA compliant, wheelchair ramps require no more than a 4.8 degree slope for the ramp.How long in feet would a ramp need to be to reach a porch that is 36 inches above the ground.If ramps can... more
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05/09/24

The combined SAT scores for the students at a local high school are normally distributed with a mean of 1485 and a standard deviation of 298.

The combined SAT scores for the students at a local high school are normally distributed with a mean of 1485 and a standard deviation of 298. The local college includes a minimum score of 1574 in... more
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05/09/24

The mean NAT scores of Grade 10 students is 65. Sixty students where chosen and found that the standard deviation of their scores is 5. What is the probability that their mean is below 64?
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05/08/24

In a game, you have a 1/22 probability of winning $135 and a 21/22 probability of losing $10. What is your expected winning?
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05/08/24

The combined SAT scores for the students at a local high school are normally distributed with a mean of 1485 and a standard deviation of 298.
The combined SAT scores for the students at a local high school are normally distributed with a mean of 1485 and a standard deviation of 298. The local college includes a minimum score of 1574 in... more
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05/08/24

Let represent the full height of a certain species of tree. Assume that has a normal probability distribution with a mean of 99.8 ft and a standard deviation of 5.4 ft.
A tree of this type grows in my backyard, and it stands 100.9 feet tall. Find the probability that the height of a randomly selected tree is as tall as mine or shorter. = IncorrectMy neighbor also... more
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05/08/24

In her MAT135 class, professor Alayeb found that the mean score of the first exam was 96. Suppose that the scores are normally distributed with a standard deviation of 19 points.
What is the probability that a randomly selected score is less than 71?  = What is the probability that a randomly selected score is more than 82? = what is the probability that a randomly selected... more
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05/08/24

Let represent the full height of certain species of tree. Assume that is normally distributed with a mean of 41.5 feet and a standard deviation of 39.2 feet
FFind the probability that the full height of a randomly selected tree is greater than 49.3 feet.  =
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05/08/24

Help me answer this
Joyce had $75 and Leslie had $48. After each spent the same amount of money, the ratio of the amount of money Joyce had to the amount of money Leslie had was 7 : 4. How much did each of them have left more
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05/08/24

Algebra 2 Honors
If the price per ticket is $150, what would be the predicted amount of lost revenue to the nearest dollar?
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05/08/24

Which graph represents

3x-5y> 10
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