 # Pre algebra questions and answers

Recent questions in Pre-Algebra impresijuzj 2021-11-28 Answered

### If $$\displaystyle{x}{y}+{6}{e}^{{{y}}}={6}{e}$$ find the value of y" at the point where $$\displaystyle{x}={0}$$ sputavanomr 2021-11-26 Answered

### To graph: The solution set to $$\displaystyle{\left({x}+{37}\right)}^{{{2}}}+{y}^{{{2}}}={9}$$. kursval7z 2021-11-25 Answered

### An ideal Otto cycle has a compression ratio of 10.5, takes in air at 90 kPa and 408C, and is repeated 2500 times per minute. Using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kW of power. Paganellash 2021-11-23 Answered

### A sample of tritium-3 decayed to $$\displaystyle{94.5}\%$$ of its original amount after a year. What is the half-life of tritium-3? nuais6lfp 2021-11-23 Answered

### A regular pentagonal prism has 9-cm base edges. A larger, similar prism of the same material has 36-cm base edges. How does each indicated measurement for the larger prism compare to the same measurement for the smaller prism? a. the volume b. the weight. Douglas Kraatz 2021-11-22 Answered

### If an equation has several fractions, how does multiplying both sides by the LCD make it easier to solve? Given: The given equation is $$\displaystyle{2}{L}+{2}{\left({L}-{2.5}\right)}={44}$$, also the length of the fence is 2.5 feet more than the width. deliriwmfg 2021-11-22 Answered

### Convert Percent to Fractions and Decimals In the following exercises, convert each percent to a fraction and simplify all fractions. 4%. pavitorj6 2021-11-21 Answered

### To calculate: The solution set of the compound inequality $$\displaystyle-{4}\le-{\frac{{{2}}}{{{3}}}}{p}+{14}$$, graph it, and write it in set-builder notation and interval notation. philosphy111of 2021-11-21 Answered

### Required information An LTI system has an impulse response $$\displaystyle{g{{\left({t}\right)}}}={5}{e}^{{-{3}}}{u}{\left({t}\right)}$$ Find the numerical value of $$\displaystyle{y}{\left({t}\right)}\ {a}{t}\ {t}={0.6}$$. The numerical value of $$\displaystyle{y}{\left({t}\right)}\ {a}{t}\ {t}={0.6}$$ is ? jack89515lg 2021-11-21 Answered

### Scott bought a large bag of cookies at the bakery. He ate $$\displaystyle{\frac{{{3}}}{{{7}}}}$$ of a bag and his sister ate $$\displaystyle{\frac{{{1}}}{{{3}}}}$$ of a bag. What fraction of the bag remains? mronjo7n 2021-11-21 Answered

### Convert Percent to Fractions and Decimals In the following exercises, convert each percent to a fraction and simplify all fractions. 135% oppvarmet16 2021-11-21 Answered

### Convert Percent to Fractions and Decimals In the following exercises, convert each percent to a fraction and simplify all fractions. 37.5% luipieduq3 2021-11-21 Answered

### If n divides $$\displaystyle{m}+{1}$$; the fraction $$\displaystyle{\frac{{{n}}}{{{m}}}}$$ can always be written as a sum of two unit fractions. - True - False Sheelmgal1p 2021-11-21 Answered

### Using the quadratic formula, find the roots of: $$\displaystyle{4}{x}^{{{2}}}+{7}{x}-{15}={0}$$ Answer can be left as fractions. $$\displaystyle{x}={\frac{{-{b}\pm\sqrt{{{b}^{{{2}}}-{4}{a}{c}}}}}{{{2}{a}}}}$$ Tammy Fisher 2021-11-21 Answered

### Solve the following system. Enter the values for A and B as reduced fractions or integers. $$\displaystyle-{6}{A}+{8}{B}={48}$$ $$\displaystyle-{6}{A}+{2}{B}={42}$$ - One or more solutions: - No solution - Infinite number of solutions Maaghu 2021-11-21 Answered

### Describe two general methods to determine which of two fractions is greater. Use $$\displaystyle{\frac{{{2}}}{{{3}}}}\ {\quad\text{and}\quad}\ {\frac{{{4}}}{{{5}}}}$$ to illustrate the methods. nuais6lfp 2021-11-21 Answered

### What are the ways to calculate the difference between fractions where the denominators are different? For example, $$\displaystyle{\frac{{{4}}}{{{9}}}}{\frac{{{27}}}{{{54}}}}$$ kenziebabyyy4e 2021-11-21 Answered

### A quotient of two numbers, such as $$\displaystyle{\frac{{{5}}}{{{8}}}}$$, is called a(n) ?. balff1t 2021-11-21 Answered

### Jonathon says that 0.4 is less than 0.267. how could you convince him that it's not? lilyta79jd 2021-11-21 Answered

### Solve for the unknown variable from the inequality equation. Given: The inequality equation: $$\displaystyle{p}-{6}\geq{3}$$

Getting your pre Algebra solved becomes much easier when you have all the answers to your questions by taking a closer look at the various examples dealing with Pre-Algebra subjects. We have intentionally collected the list of pre-algebra equations and various problems to help you see various examples that explain how certain solutions are found. Still, if something sounds unclear or you are concerned about some solution that has been provided, approach pre-algebra with reverse engineering approach (going backwards).

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