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4) Plag is a solid solution of NaAlSi$_3$O$_8$ and CaAl$_2$Si$_2$O$_8$. The phase diagram is shown below. Answer the following questions about Plag. 1600 1500 Liquid 1400 2 1300 Plag + L 1200 1110 1100 Plag$_{ss}$ 1000 90 70 50 Ab NaAlSi$_3$O$_8$ 1557 30 10 An CaAl$_2$Si$_2$O$_8$ Using P + F = C + 1 a) What is the general formula for Plag and what is the composition of the solid solution at points 1 and 3 b) Point 2 crosses the liquidus line at 1400 °C. Describe the composition of the solid solution and liquid in 50 °C increments as the solid solution is cooled

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Report the t-statistic for this test. The t-statistic is 0.92. (Round your response to two decimal places) Based on the t-statistic computed above, would you reject the null hypothesis at the 5% level? A. No. B. Yes.

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The dependent variable in an experiment measures the results of the experiment. is affected by the independent variable. is often revealed by measures of performance, such as test scores. is characterized by all of these.

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Question 1/Vraag 1 Soppose $ A $ is a ring and $ B $ a monengty sobect of $ A $. Prose that $ B $ is a soluting of $ A $ if and enly il $ B $ is checel with. zespect to sultractire and multiplication. Question 2/ Vraxg 2 Prove that $ \mathbf{Z}_{6} /<3>2 \mathbf{Z}_{3}{ }^{-} $ (8) Question 3/Vrang 3 If $ (a, b) \sim(c, d) $ means that $ a d=b $. Prowe that $ \sim $ is an equinalence relation. Question 4/ Vraag 4 Use mathenatical inaluetion to prove that \[ 1^{2}+2^{2}+\cdots+n^{2}=\frac{1}{6} n(n+1)(2 n+1) \] for all powitive ietiengers in. (10) TOTAL/TOTAAL: 65

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5874. Investigate the principles of combustion in internal combustion engines, considering factors such as air-fuel ratio, ignition timing, and combustion chamber design. How do these factors affect engine performance and emissions?

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what are the security issues associated with using a personal productivity application during your college career

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1. Is Twitter a corporation, sole proprietorship, or partnership? 2. Use the company's balance sheet to determine the amounts in the accounting equation (Assets = Liabilities + Stockholders' Equity) at the end of the most recent year. 3. Calculate the company's current ratio on December 31, 2019, and on December 31, 2018. 4. Prepare the journal entry the company will make in 2020 when it pays its 2019 accounts payable due at year-end. 5. Does the company appear to have been profitable over its years in business?

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The key civic principles of Garden City include? The Garden City emphasized an attempt to provide a viable social community, rather than a commercial city downtown. Which was achieved through the establishment of pedestrian scaled suburban towns and villages, with individual home ownership, central squares filled with pedestrian scaled shops, professional offices and markets; schools, and public parks and gardens, all carefully woven into their unique site and natural landscape. The aesthetics of the Garden City linked natural beauty, naturalistic constructivism, and local regionalism, which were achieved by the use of regional vernacular, native materials, local craft traditions, and environmental responsive design. ? Government funding. For example, the Owners Loan Corporation to refinance home mortgages currently in default to prevent foreclosure. And the Federal Housing Administration, which has insured over 35 million low interest FHA home mortgages and over 47,000 multifamily project mortgages since 1934. All of the above

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int data[N]; int variance () { int sum1=0, sum2=0, result; int i; for(i=0; i<N; i++) { sum1 += data[i]; } sum1 /= N; for(i=0; i < N; i++) { sum2 += data[i] * data[i]; } sum2 /= N; result = (sum2 - sum1*sum1); return result; }

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III. a. Write an equivalent Boolean expression for the circuit: A B C A B C A B C

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concepci-n s.