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At a table tennis tournament, two games went on for a total of 32 minutes. One game took 12 mintues longer than the other. How long did it take to complete each game?
General
8 months ago
Given that z20 = –2 and z50= – 1, which of the following do you know?1.) The variance is 10.2.) The standard deviation is 30.3.) The mean is 80.4.) The median is 40.5.) The data point x=20 is 2 standard deviations form the mean6.) The data point x=50 is 1 standard deviation from the mean7.) The data point x=45 has a z-valued of 1.5
General
8 months ago
The chart shows the path reactants take to become products.Which statement best describes the chart?A. Heat was removed from the activation energy to create the product. B. Heat was added to create the product. C. The products have less energy than the reactants. D. The products have the same energy as the reactants.
General
8 months ago
A scale drawing of a rose is 3 inches long. The actual rose is 1.5 feet long. What is the scale factor of the drawing and what is the scale of the drawing? Please explain!! :D
General
8 months ago
There are a few ways to increase the rate of a reaction. When the amount of a substance in a given volume is increased, this is altering the__________.
General
8 months ago
dalia bought a few swirl marbles and divided it equally among four of her friends and her brother, jake. while playing, Jake lost two marbles and has only 7 marbles at present. find how many marbles did Dalai have in all
General
8 months ago
Oscar and Kim have $22.00 each to spend at a book fair, where all students receive a 30% discount. They both want to purchase a copy of the same book, which normally sells for $28.50 plus 10% sales tax. To check if he has enough to purchase the book, Oscar takes 30% of $28.50 and subtracts that amount from the normal price. He takes 10% of the discounted selling price and adds it back to find the purchase amount. Kim takes 70% of the normal purchase price and then computes 110% of the reduced price. Is Oscar correct? Is Kim correct? Do they have enough money to purchase the book? Explain your answer using complete sentences, and show your work. using complete senteces
General
8 months ago
The Pool Fun Company has learned that, by pricing a newly released Fun Noodle at $3, sales will reach 6000 Fun Noodles per day during the summer. Raising the price to $4 will cause the sales to fall to 5000 Fun Noodles per day. a. Assume the the relationship between sales price, x, and number of Fun Noodles sold, y, is linear. Write an equation in slope-intercept form describing this relationship. Use ordered pars of the form (sales price, number sold).The equation is?b. Predict the daily sales of Fun Noodles if the price is $3.50.? sales? sales
General
8 months ago
Darryl deposits $1,500 into a savings account that has a simple interest rate of 2.7%. Lori deposits $1,400 into a savings account that has a simple interest rate of 3.8%. If no other transactions are made, who will have more money in their account after 10 years? How much more?
General
8 months ago
Jack and Jane are married and both work. However, due to their responsibilities at home, they have decided that they do not want to work over 65 hours per week combined. Jane is paid $12.50 per hour at her job, and Jack is paid $10 per hour at his. Neither of them are paid extra for overtime, but they are allowed to determine the number of hours per week that they wish to work. If they need to make a minimum of $750 per week before taxes, what is the maximum amount of hours that Jack can work per week according to these limits?
General
8 months ago
In the diagram Shown a 2 foot wide flower border surrounds the heart shaped pond.What is the area of the border?
General
8 months ago
Which expression gives the distance between the points (4, 6) and (7, -3)?
General
8 months ago
A wedding planner purchased small and large lanterns for a wedding reception. The small lanterns cost $25 each, and the large lanterns cost $40 each. The planner purchased a total of 40 lanterns for a total of $1180.
General
8 months ago
Describe the end behavior of the function f(x) = 3 − 4x + 6x2 − 5x3.
General
8 months ago
the local chess club has 60 member. 24 of them are younger than twenty. what percent of members of the chess club are younger than 20
General
8 months ago
Brenda invests $4,848 in a savings account with a fixed annual interest rate of 5% compounded 2 times per year. What will the account balance be after 6 years?
General
8 months ago
I need help !! This packet is due tomorrow and I have no idea what I’m doing .
General
8 months ago
Is it possible to place 158 books on three shelves so that the first shelf has 8 fewer books than the second and 5 more books than the third shelf?plz halp
General
8 months ago
Select the correct statement about the function represented by the table.A. It is a linear function because the difference y-x for each row is constant. B. It is an exponential function because the y-values increase by an equal factor over equal intervals of x-values.C. It is an exponential function because the factor between each x- and y- value is constant.D. It is a linear function because the y-values increase by an equal difference over equal intervals of x-values.
General
8 months ago
Help I suck at mathhhh!
General
8 months ago
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