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3. Which of the following illustrates an arithmetic sequence? A. 1, 1, 2, 3, 5, ... B. 1, 4, 9, 16, 25, ... C. 1, 2, 4, 8, 16, ... D. 1, 2, 3, 4, 5, .. 4. If the first term of an arithmetic sequence is - 15 and the 5th term is 13, what is common difference? A. 7 B.6 C.5 D. 4
Algebra
7 months ago
1.Use GRESA Method to solve for Sample Problem: How much current flows through a the amount of current that will lamp with a resistance of 60 ohms when flow in a lamp with a resistance the voltage across the lamp is 12-V? of 40 ohms when the voltage G: R=60 ohms across the lamp is 15 V. V=12 volts R: I= ? 2. Find the voltage if the re- sistance is 30 ohms and the cur- E: I=underline V rent is 0.5 amperes. R S:I=underline 12 volts 3. Find the resistance if the cur- 60 ohms rent is 1.5 amperes and the volt- A:I=0.2 Amperes age is 15-V.
Algebra
7 months ago
4. Which of the following would be an appropriate null hypothesis? A. The mean of a sample is equal to 80. B. The mean of a population is equal to 80. C. The mean of a population is not equal to 80. D. The mean of a population is greater than 80. 21 a 92020
Algebra
7 months ago
Factor 26r3s+52r5-39r2s4 . What is the resulting expression? 132r3s+4r5-3r2s4 13r2s2r+4r3-3s3 13r22rs+4r3-3s4 13r226r3s+52r5-39r2s4
Algebra
7 months ago
The diagram shows a partly-filled oil tank.. The depth of oil present in the tank is 1.2m 1 cubic metre is equivalent to 1000 litres. Work out the quantity of oil in the tank. Give your answer in litres.
Algebra
7 months ago
Which is most likely the correlation coefficient for the set of data shown? -0.91 -0.35 0.35 0.91
Algebra
7 months ago
Which are true of the function fx=49 1/7 x ? Select three options. The domain is the set of all real numbers. The range is the set of all real numbers. The domain is x>0 The range is y>0 As x increases by 1, each y-value is one-seventh of the previous y-value.
Algebra
7 months ago
a. what is asked?__、 b. What are given? c. What is/are the operation/s to be used? d. What is the number sentence? e. What is the answer? 4. Shania started answering activities in her module in Mathematics at 7:45 a.m. It took him 1 hour and 58 minutes to finish it. What time did Shania finish her module? a. What is asked? b. What are given? c. What is/are the operation/s to be used? d. What is the number sentence? e. What is the answer? 5. A rectangular pool is 6 meters wide and 9 meters long. What is the area of the pool? a. What is asked? b. What are given? c. What is/are the operation/s to be used? d. What is the number sentence? _ e. What is the answer? _ 。
Algebra
7 months ago
What is the solution to the system of equations graphed below? y=x-2 y=4x-5 A. 0,-5 B. 0,-2 c, 1,-1 D, 2,0
Algebra
7 months ago
Which two numbers does square root of 52 lie between on a number line? 7.0 and 7.1 7.1 and 7.2 7.2 and 7.3 7.3 and 7.4
Coordinate-geometry
7 months ago
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
7 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
7 months ago
Which expression is a difference of squares with a factor of 2x+5 ? 4x2+10 4x2-10 4x2+25 4x2-25
Algebra
7 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
7 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
7 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
7 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
7 months ago
What is the value of x? 6 8 10 12
Geometry
7 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
7 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
7 months ago
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