Which expression is equivalent to 2(d + 4)? 8d 8d + 2 2d + 8 6d Submit
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A: Use the property of exponents: → a·bm = am·an → amn = am×n → am·an = am+n
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A: Since you have asked multiple questions in single request so we will be answering only first…
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A: Consider
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A:
Q: How can you rewrite each expression? 5. 125x°y7 297m n5 3m2n a b3 7. 288x³y7 6. 8. 625a
A: Given: (1) 125x9y73 (2) a5b3625a4 (3) 288x3y75 (4) 297m4n53m2n3
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A: Given a). 49 and 94⇒49 =4×3=12 (The value of…
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Q: x + 2 < * + 1 107. Explain why O has no solution.
A: We know that x2+2>0∀x∈R and x2+1>0∀x∈R So, x2+2x2+1>0∀x∈R
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A: ∫8122x2-8xdx=2∫8122(x-4)2-16dx...... (by making complete square) now let x-4=tdx=dt and limits…
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A:
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A: a=3 , b=2
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A: Given4a+7b=-52
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A: Given that d = 75 We find 2d+-45d3
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A: In this question, the concept of Expression is applied. Expression The term "polynomial" refers to a…
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A: Geometry basic formula
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A: The given expression is t+5+2-3t Adding and subtracting the like terms we get…
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A: Topic = Algebra
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A: The solution is given below in the next step:
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A: Here, we have to do multiplication of two fractions.
Q: Which expression is equivalent to 210d2 - 63d? A) 21d(10d - 3) B) 21d(10d + 3) C) 21(10dv + 3)…
A: Simply factories the given expression by taking common factor outside.
Q: =7V5 then, przove that
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Q: Evaluate: 5a +b2- le-2 where a = 3, b = -4, and c = 1 %3D
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Q: Q13/ A/ Find A-B? * 1 11 B= | 2 15 If A = 2 4 -4 find .3 4] 3
A: Here, A=112434,B=0-12-453
Q: 27a³b?c Simplify: -3abc
A: Here we have to simplify the given expression. We have 27a3b2c-3abc Now we can write 27 = 3*3*3…
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A: solution:16p-32q+5=5where p=2 and q=1
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A:
Q: Simplify the expression
A: Given: x2+94-13x+6-43+x+6-134x2+932x For simplifying given expression, we take common and simplify…
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A:
Q: What expression is equivalent to x2 + 7x + 6? A) x(x+ 7) B) (x+ 6)(x +1) C) (r+ 1)(x + 7) D) (x+…
A:
Q: Which expression is equivalent to 210d2-63d? F 21d(10d - 3) G 21d(10d + 3) H 21(10d + 3)
A: to find:- equivalent expression of the given equation.
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Q: V24 of b² c³ 3 24 a b c
A: Let given expression be x ⇒x = 24a4b2c3⇒x = 24a4b2c312⇒x = 2412×a412×b212×c312⇒x = 26×a2×b×cc⇒x =…
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Q: Simplify: 4(2r²t)³
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A: Here I am attaching image so that you understand each and every step.
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A: To find the general indefinite integral on ∫8x2+7x-2dx
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Q: 2. Which expression is equivalent to 14a*b°c=10 8a-263c-5 7a®b³ 4c5 6a²b° c15 76?c2 4a? 4c15 CLEAR…
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Q: d? (2x -x2 + 6x-8) dx2 (2x - x2 + 6x-8) (Simplify your answer.)
A: We have given the function Y= 2x^3-x^2+6x-8 And the second function is Y=(z^2+8z+9)^7
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A:
Q: sov? (2² – 2) (2a² – ²) } æ²)
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- Which statement below is consistent with making a Type I error? Group of answer choices concluding that a treatment has an effect when it really does concluding that a treatment has no effect when it really has no effect concluding that a treatment has no effect when it really does concluding that a treatment has an effect when it really has no effectIn a newspaper or magazine, or on the Internet, find an example of a. a descriptive study. b. an inferential study.The scatterplot below shows opening weekend gross sales (measured in millions of $US) and total world gross sales (also measured in in millions of $US) for a random sample of 250 Hollywood movies. The opening weekend gross sales measures the ticket sales in the movie's opening weekend and the total world gross sales measures the total ticket sales in theatres for the movie's time in theatres. Explain in one or two sentences what the direction of association (positive or negative) means in this context.
- an educator, would like to investigate whether students’ IQ have an effect on their exam scores. She also wants to determine if teaching strategy is associated with whether students pass or fail in the exam (exam result). She then randomly selected twenty students and conducted an IQ test. Further, she randomly assigned them to the two teaching strategies. The students’ exam scores were recorded. 1. At 5% level of significance, test whether the exam scores are indeed linearly dependent on IQ. Ho: (in symbols) _____ ; (in words) ____________________________________ Ha: (in symbols) _____ ; (in words) ____________________________________ Test Procedure: _______________________________ p-value: ___________ Decision: ________________________________ Conclusion: At alpha = 0.05, ________________________________________________________________ ________________________________________________________________A researcher is investigating a new screening tool that is intended to help prevent the onset of breast cancer in young women. Suppose he tests the new device on a group of 10 women. The following table shows the test result and true breast cancer status of each of the women. What can we say about the new device with regards to its accuracy? Patient Test Result True Cancer Status A + + B + + C + - D + - E - + F - + G + - H - + I - - J + -In Major league Baseball (MLB), the American League baseball teams play their home games with the designated hitter (DH). This rule gives the team the ability to have a batter take the place in the batting order of the pitcher. The league believes that by replacing the pitcher (usually a poor hitter), there will be more hits, more runs and therefore, more interest from fans. (David “Big Papi” Ortiz of the Red Sox is an example of a modern day DH). Below are the average runs scored in the American League and National League home games during the past 14 seasons. American League 11.4 9.9 10.5 9.7 10.4 9.1 10.3 9 10.2 9.0 10 8.9 9.9 8.8 National League 10.5 9.5 10.3 9.4 10 9.1 10 9 9.7 9 9.7 8.9 9.6 8.9 a) Coors Field in Denver, Colorado is the home of the National League team the Colorado Rockies. The stadium is a mile above sea level and some believe that the thinner air makes it harder for pitchers to throw curve balls and easier for batters to hit the ball a…
- What does the covariance measure ? a. the dirction of a curvilinear relationship between to or more variables. b. the direcion of a linear relatrionship between two or more variables. c. the direction of a curvilinear relationship between two variables. d. the direction of a linear relationship between two variables.Professor Garcia wants to test the hypothesis that listening to music could affect exam scores. She doesn't predict a direction (increase or decrease). What type of hypothesis test would this be? Group of answer choices Type 2 Two-tailed One-tailed Type 1Select the correct text in the passage. Which sentence best refines the author’s claim about protecting historically significant architecture? Architecture Over the past several years, it has become increasingly common for big-name developers to tear down Victorian, Craftsman, and Colonial buildings. This destruction is often performed with the thought that it is the property that holds the true value, not the structure that sits on it. Likewise, homeowners have begun to value their property's location over the house they have spent many years living in. Little regard is given to the painstaking details and craftsmanship that went into these buildings, nor the innate beauty of hand-carved woodwork and ornamentation. "Out with the old, in with the new" has resulted in people no longer appreciating the history and artistic integrity of our country's oldest buildings and failing to realize that once "the new" is brought in, "the old" is lost to us forever.It is bad enough that…
- Our Team Average Individual score is 40 Team score is 38 Gain Score is 2 Best Individual score (lowest indvidual score in team is 28 Number of individuals in group who scored lower than team score is 2 Relative improvemen is 5 % What does the team score and gain score indicate?A nutritional measured not only how many helpings of vegetables 125v grade- school children were each served each week, but also their body-mass index (BMI) scores. Which variable would one put on the horizontal axis of a scatterplot of the data? A) One would put helpings of vegetables becuase it is the response variable B)It makes no differnece becuase there is no explanatory-response distinction in this study C) One would put the BMI score because it is the response variable D)One would put the BMI score becuase it is the explanatory variable E) One would put the helpings of vegetables becuase it is the explanatory variableThe Coruro’s Burrow. The subterranean coruro (Spalacopus cyanus) is a social rodent that lives in large colonies in underground burrows that can reach lengths of up to 600 meters. Zoologists S. Begall and M. Gallardo studied the characteristics of the burrow systems of the subterranean coruro in central Chile and published their findings in the paper “Spalacopus cyanus (Rodentia: Octodontidae): An Extremist in Tunnel Constructing and Food Storing among Subterranean Mammals” (Journal of Zoology, Vol. 251, pp. 53–60). A sample of 51 burrows had the depths, in centimeters (cm), presented on the WeissStats site. Use the technology of your choice to do the following. a. Obtain a normal probability plot, boxplot, histogram, and stemand-leaf diagram of the data. b. Based on your results from part (a), can you reasonably apply the t-interval procedure to the data? Explain your reasoning. c. Find and interpret a 90% confidence interval for the mean depth of all subterranean coruro burrows.