59,605 Answered Questions for the topic Math

05/16/24

Probability of a pair of dice
Consider rolling a pair of fair dice a single time. For a given roll, consider the value shown on each of the dice. For each of the following pairs of events, tell whether they are disjoint,... more
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Math

05/15/24

You pick a card, spin the spinner, and find the sum. How many different sums are possible? 3 4 5 6 7 234
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Math Calculus

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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05/15/24

Calculating averages of dates on Excel 97
Calculate the average of the following dates using Excel (97 in my case): 3/30/2023, 5/1/2024, 12/7/2024Answer (from Excel 97): 3/2/2024I would like to know how Excel is coming up with this answer.... more
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05/15/24

K9 Math tutor. Better to speak Chinese
Seeking a math tutor for grades K9-12. College students are welcome. Online tutoring is accepted, but in-person sessions at the student's home are preferred (Located at Diamond bar city).... more
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05/15/24

Are you able to teach other mathematics subjects?
Depending on the type of math and lessons you're seeking , I'm happy to assist with looking at your book lessons and school assignments .I have taken up to calculus courses in college and I'm more... 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 Algebra 1

05/15/24

I don't know how to solve this
A music website chargesx dollars for individual songs and y dollars forentire albums. Person A pays $25.92to download 6 individual songs and2 albums. Person B pays $33.93to download 4 individual... more
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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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Math Algebra 1

05/15/24

solve the system by elimination. Check your solution. −2x − 5y = 9 3x + 11y = 4
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Math Chemistry

05/14/24

Freezing point depression, activity
ln aS,2 = ln mi + ∑ (55,51/m)*d(− ln aH2O) = ln mi + I (1)How do I calculate aB,2 from that given formula?
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Math Chemistry

05/14/24

Freeze depression point, sugar in water, how do I calculate the activity?
I will give some background on the concept for context and then state my question at the end:Consider a solution containing nA and nB moles of solvent A and solute B, respectively. According to the... more
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Math

05/14/24

Mr. D has 10 more nickels than quarters. If he has a total of $3.80, how many quarters does he have?
Mr. D has 10 more nickels than quarters. If he has a total of $3.80, how many quarters does he have?
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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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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

05/13/24

substitution/elimination
The outdoors club held a car wash to fundraise. They washed cars for $5 and vans for $7 each. They washed 90 vehicles and earned $510. How many of each type of vehicle did they wash? (please solve... 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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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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05/12/24

sketch the curve given by each pair of parametric equations over the given interval
https://ibb.co/zh5fLw6photo of problem ^
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