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MATH SOLVE
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General
Chocolate chip cookies have a distribution that is approximately normal with a mean of 24.1 chocolate chips per cookie and a standard deviation of 2.1 chocolate chips per cookie. find upper p 5 and upper p 95. how might those values be helpful to the producer of the chocolate chip cookies?
General
4 months ago
The work of a student trying to solve the equation 4(2x − 1) = 11 + 3x + 5 is shown below:Step 1: 4(2x − 1) = 11 + 3x + 5Step 2: 8x − 4 = 16 + 3xStep 3: 8x + 3x = 16 − 4Step 4: 11x = 24Step 5: x = 2.18In which step did the student first make an error and what is the correct step? Step 2: 8x − 1 = 16 + 3xStep 2: 8x − 8 = 6 + 3xStep 3: 8x − 3x = 16 + 4Step 3: 8x + 3x = 16 − 8
General
4 months ago
A helicopter is flying above a town. the local high school is directly to the east of the helicopter at a 20° angle of depression. the local elementary school is directly to the west of the helicopter at a 62° angle of depression. the distance between the high school and the elementary school is 5 miles. find the distance from the helicopter to the high school. round your answer to the nearest tenth of a mile.
General
4 months ago
A dartboard consists of a circle inscribed in a square. the area of the circle is 16π square centimeters. the area of the square is 64 square centimeters. izzy randomly throws a dart at the square, and it lands inside the square. to the nearest percent, what is the probability that the dart lands inside the square but not on the circular dartboard? use 3.14 for π. 22% 25% 75% 79%
General
4 months ago
Select the correct answer from each drop-down menu. A store sells T-shirts for $10 each and jeans for $20 a pair. Anna spends $150 on T-shirts and jeans. She buys x T-shirts and y pairs of jeans. The equation that represents the situation is . If Anna decides to buy only T-shirts and no jeans, she can buy T-shirts with the money she has.
General
4 months ago
A box in the shape of a rectangular prism has a volume of 96 cubic feet. the box has a length of (x+8)(x+8) feet, a width of xx feet, and a height of (x−2)(x−2) feet. find the dimensions of the box.
General
4 months ago
A. how many numbers must be selected from the set1, 3, 5, 7, 9, 11, 13, 15 to guarantee that at least one pair of these numbers add up to 16?
General
4 months ago
Coin A is flipped 3 times and coin B is flipped 5 times. What is the probability that the number of heads obtained from flipping the two coins is the same?
General
4 months ago
Each day, finian takes either a bath or a shower in the morning. s represents shower, and b represents bath. what is the sample space of his morning ritual for three days in a row?
General
4 months ago
- how do changes in dimensions affect the volume of common geometric solids?
General
4 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
4 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
4 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
4 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
4 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
4 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
4 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
4 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
4 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
4 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
4 months ago
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