Raymond B.

05/15/24

Optimization Calculus Question Help (Thank You!!!)

You have a budget of $1,200,000 to build a storage facility. The shape of this building must be a rectangular prism with the length double the width. If the floor costs $100/m2, the walls cost... more

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Math

05/15/24

Rosa ate dinner at a restaurant.The bill came to $67.45. If she left a 20% tip, what was the total cost of her dinner?

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Math Geometry

05/15/24

What is the midpoint of the segment joining (12, 2) and (-5, -7)

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Math

05/15/24

Series and sequence

Kevin runs a lawn mowing service. He currently has 14 clients. He has gained 2 new clients at the beginning of each of the past three years. Each year he mows each client’s lawn an average of 15... more

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Algebra 2

05/14/24

Determine final grade

what will it take to get my final class grade to 80% from 30%?

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Math

05/14/24

The first three terms of a sequence are given. Write your answer as a decimal or whole number. Round to the nearest thousandth (if necessary).

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Math

05/14/24

The longer leg of a 30 - 60 - 90 triangle is twice as long of its hypotenuse.

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Math

05/14/24

Line t passes through points (9, 9) and (1, 18). Line u is perpendicular to t. What is the slope of line u?

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Math

05/13/24

slope -1/5 point(10,-15)

y=-1/5x+?????

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Math

05/13/24

math problmens area

are, please look them up online!) Find the perimeter and the area of the rectangle with coordinates (1, 2), (7, 4), (8, 1), and (2, -1).

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Math

05/13/24

John is going to select two cards from a standard deck of cards. What is the probability that he chooses a king or a jack?

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Algebra 1

05/13/24

or A parabola opening up or down has vertex (0,0) and passes through ( – 16, – 16). Write its equation in vertex form. Simplify any fractions.

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Math

05/13/24

substitution/elimination

During one lunch hour, the school cafeteria sells 8 tuna sandwiches and 5 chicken sandwiches for $49.25. The next day they sell 4 tuna and 7 chicken sandwiches for $43.75. How much do they sell... more

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Math Calculus

05/13/24

1) A water 3000 litter water tank is being filled up by the minute.

The rate at which the water is entering the tank can be described as Q′(t) = 3√t, where t is measured in minutes. a) Determine how much water will be poured into the tank within an hour. b) At what... more

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Precalculus

05/13/24

Lighthouse B is 9 miles west of lighthouse A. A boat leaves A and sails 4 miles. At this time, it is sighted from B. If the bearing of the boat from B is N64degreesE, how far from B is the boat?

The boat is either 8.7 miles or ___ miles from lighthouse B, to the nearest tenth of a mile. I don't understand how to get the second value

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Math Probability

05/12/24

Probability math

Every mushroom is edible with the probabiloity 0.95, independent of other picked mushrooms.What would be the the probability that 300 mushrooms picked under a month are edible amongst 320 picked?... more

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Math Calculus

05/12/24

The population of endangered species is changing at a rate of P′(t) = 30 − 20t.

The population of endangered species is changing at a rate of P′(t) = 30 − 20t. The known population at the time is a community of 200. Time is represented as the variable t. a) What would the... more

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Math

05/12/24

3x - 7y = 4 and -6x + y = 5

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Math

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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Geometry

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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Geometry

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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Geometry

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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Geometry

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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Math Probability

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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Trigonometry

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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