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Which products result in a sum or difference of cubes? ■Sum of cubes: Check all that apply. a+ba2-ab+b2=a3+b3 x-4x2+4x-16 Difference of cubes: x-1x2-x+1 a-ba2+ab+b2=a3-b3 x-1x2+x+1 x+1x2+x-1 x+4x2-4x+16 x+4x2+4x+16
Algebra
4 months ago
12.Contaminated water is subject to a cleaning process. The concentration of pollutant is initially 10 mg per liter of water. If the cleaning process can reduce the pollutant by 5% each hour, define a function that can represent the concentration of pollutants in the water in terms of the number of hours that the cleaning process has taken place. A. 10+0.95t mg/l B. 10+0.5t mg/l c. 100.5t mg/l D. 100.95t mg/l
Algebra
4 months ago
Which expression is a difference of squares with a factor of 2x+5 ? 4x2+10 4x2-10 4x2+25 4x2-25
Algebra
4 months ago
The prime factor trees for 70 and 385 are given below. Use the prime factor trees to find the highest common factor HCF of 70 and 385.
Algebra
4 months ago
Eli. Freda and Geoff were qiven £800 to share in the ratio of their ages. Eli is 9 years old. Freda is 13 years old and Geoff is 18 years old. How much should they each get? Eli E Freda €£ Geoff £
Algebra
4 months ago
The diameter of a circle is 22 m. Find its area to the nearest whole number. Answer: A= m2 Submit Answer attempt 1 out of 3
Geometry
4 months ago
Ishi walked a total of 2 1/2 miles on a treadmill. He walked at a constant rate of 4 miles per hour. Which expression shows how long, in minutes, Ishi walked on the treadmill? 2.5 miles / 4 moles/hour * frac 60 minntes1 hour 2.5 miles / 4 mmlol/hon frac 60 minutes1 hour 2.5 moles * 4 mom/10mg frac 60 mimim1imin 2.5 miles * 4 milem/hour * frac 60 minutes1 hour Done My Progress 2021 by Curriculum Associates. All rights re: t You are screen sharing Stop Share id in any manner without express written consent of Curriculum Associates. Math To Do, i-Read... Meeting Controls
Algebra
4 months ago
What is the value of x? 6 8 10 12
Geometry
4 months ago
4. Name the sets of numbers to which 1.68 belongs. rational numbers natural numbers, whole numbers, integers, rational numbers rational numbers, irrational numbers
Algebra
4 months ago
Which statement best describes the domain and range of fx=-7x and gx=7x ？ fx and gx have the same domain and the same range. fx and gx have the same domain but different ranges. fx and gx have different domains but the same range. fx and gx have different domains and different ranges.
Algebra
4 months ago
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