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MATH SOLVE
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The length of a rectangle is 4 cm longer than its width.If the perimeter of the rectangle is 64 cm, find its length and width.
General
4 months ago
A remote-control airplane can have 2 or 4 engines. The probabilitythat an engine fails due to a mechanical problem is 0.05, and the plane needs atleast half of its engines to be working to stay aloft. Would it be better off with 2or with 4 engines?
General
4 months ago
An unconfined compression test was performed to determine the average strength of concrete cylinders (in psi). It is believed that the strength is approximately normally distributed with a standard deviation of 196 psi. A sample of 50 concrete cylinders was taken, and it was found that the average strength was 2500 psi. Find a 92% confidence interval for the true average strength of the concrete.
General
4 months ago
The junior class is planning a field trip to Six Flags. The cost of three busses will be $700, to be shared equally by all students attending the field trip. Because of the size of the bus, the maximum amount of students that can go on the trip is 105. Six Flags tickets cost $50 but Six Flags will reduce the ticket price by $0.50 times the number of people in the group. How many students must go on the field trip for the cost to be less than $25. To get full credit you must show your inequality and the work that leads to your solution.
General
4 months ago
A local grocer wants to mix candied pecans, priced at \$14.00/$14.00/dollar sign, 14, point, 00, slashpound (\text{lb})(lb)(, start text, l, b, end text, ), and candied cashews, priced at \$10.00/\text{lb}$10.00/lbdollar sign, 10, point, 00, slash, start text, l, b, end text. How many pounds of candied cashews must he mix with 8\,\text{lbs}8lbs8, start text, l, b, s, end text of candied pecans to make a mixture that costs \$12.50/\text{lb}$12.50/lbdollar sign, 12, point, 50, slash, start text, l, b, end text? (Round the answer to the nearest tenth of a pound.)
General
4 months ago
Total freshman = 58. Number of freshman who prefer cheese toppings= 14. Determined the probability that a freshman prefer cheese toppings. Round to the nearest thousandth
General
4 months ago
On a family vacation Amy's dad drove the car at a constant speed and travel 585 miles in 13 hours at this rate how long would it have taken the family to travel 810 miles
General
4 months ago
HELLPPPLast saturday, sammy was in the central park watching a chipmunk and a squirrel. He observed the chipmunk digging a number of holes. The squirrel dug four fewer then the chipmunk. The chipmunk hid 3 acorns in each of the holes it dug. The squirrel hid 4 acorns in each of the hole it dug. They each hid the same number of acorns. How many acorns did the chipmunk hide? PLZZ HELP ILL MARK U AS BRAINLIST!!!!!!¡¡¡¡¡¡
General
4 months ago
A circular cone with a base of radius has been cut as shown in the figure. What is the height of the smaller top cone?
General
4 months ago
given pq = 2x and qr = 4x - 8 and pr = 16. what is the value of x? what is the value of pq? what is the value of qr?
General
4 months ago
What is the expression in radical form?(5x^4y^3)2/9Enter your answer, in simplest form, in the box.
General
4 months ago
Simplify the product using FOIL. (2x – 7)(5x 5)
General
4 months ago
22x(4+16)-78x3 how do solve GEMDAS
General
4 months ago
There are 4 seats available at a table in the lunch room of an elementary school, and 12 students are looking for seats. In how many ways can the seats at the table be filled with 4 of these 12 students?
General
4 months ago
Which of the following are solutions to the equation below?Check all that apply.x2 – 6x + 40 = 6x + 5a. -5 b. -6 c. 7 d. 5 e. 6
General
4 months ago
Which ordered pairs are solutions to the inequality 2y−x≤−6 ?Select each correct answer.(0, −3)(2, −2)(1, −4)(6, 1)(−3, 0)
General
4 months ago
Manoj rappelled 30 ft down from the top of a canyon. He then rappelled an additional 10 ft down the canyon.What must he do to return to the top of the canyon?
General
4 months ago
Stanley is putting wallpaper strips on his bathroom walls that have a total area of 460 ft2. Each strip of wallpaper covers 22 square feet. How many strips of wallpaper will Stanley need to fully cover his walls? Write your answer using the correct number of significant digits.
General
4 months ago
Which of these triangle pairs can be mapped to each other using a single reflection?
General
4 months ago
Ben is showing his work in simplifying (3.9 − 9.4) − 0.6 + 6.1. Identify any error in his work or reasoning. Step 1: (3.9 − 9.4) − 0.6 + 6.1 Step 2: 3.9 + (−9.4 − 0.6) + 6.1 (associative property) Step 3: 3.9 − 10 + 6.1 Step 4: 3.9 + 6.1 − 10 (identity property) Step 5: 10 − 10 = 0 A. He wrote identity instead of commutative in step 4. B. He wrote associative instead of commutative in step 2. C. He wrote identity instead of distributive in step 4. D. He wrote associative instead of distributive in step 2.
General
4 months ago
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