Questions in mathematics

Questions in mathematics

📝 Answered - Solve $\sqrt{5 x}+4=15$ Select the correct choice below and, if necessary, fill in the answer box to complete your choice. A. The solution is $x=$ $\square$ . (Simplify your answer. Type an integer or a fraction. Use a comma to separate answers as needed.) B. There is no solution.

📝 Answered - Solve: $\frac{1}{3}(5-3 x)<\frac{2}{5}(3-7 x)$

📝 Answered - Evaluate the expression shown below and write your answer as a fraction or mixed number in simplest form. [tex]$\frac{7}{4}+\left(-\frac{6}{7}\right)$[/tex]

📝 Answered - Solve. Write your answer in simplest form using integers, fractions, and natural logarithms. [tex]\begin{array}{l} e^x=7 \\nx=\frac{1}{\frac{\square}{\square} \ln }\end{array}[/tex]

📝 Answered - Will bought 3 college textbooks. One cost $32, one cost $45, and one cost $39. What is the average price of his books? Choose the statement that correctly calculates the average. A) $32+$45+$39 \div 3 B) ($32+$45+$39) \div 3 C) $32 \div 3+$45 \div 3+$39 D) 3 \times $32+$45+$39

📝 Answered - List all the prime factors of the following number: 198 (Hint: All the prime numbers that when multiplied together equal the number) A. 2, 3, 11 B. 2, 3, 3, 11 C. 2,9,11 D. 2, 2, 3, 3, 11 A pipe has an inside diameter of 5/8 inch and a wall thickness of 3/16 inch. What is the outside diameter of the pipe? A. 11/16 inch B. 13/16 inch C. 1 inch D. 11/16 inch

📝 Answered - Select the correct answer. savings = price x discount percentage How much will you save if you buy an item listed at $75.50 at a 25% discount? A. $18.88 B. $25.00 C. $56.62

📝 Answered - \frac{4 x^2-x-34}{x^3-4 x^2-7 x+10}

📝 Answered - Which equation represents a line that is perpendicular to the line passing through $(-4,7)$ and $(1,3)$? A. $y=\frac{4}{5} x-3$ B. $y=-\frac{5}{4} x-2$ C. $y=\frac{5}{4} x+8$ D. $y=-\frac{4}{5} x+6$

📝 Answered - Rewrite the [tex]$\cot ^2 x$[/tex] terms on the right side of the equation to be in terms of sine and cosine. [tex]$\cos 2 x=\frac{\frac{\cos ^2 x}{\sin ^2 x}-1}{\frac{\cos ^2 x}{\sin ^2 x}+1}$[/tex] Apply a Quotient Identity. Rewrite this expression so that the numerator and denominator each contain a single fraction. [tex]$=\frac{\square}{\square}$[/tex] (Do not simplify.)