Questions in mathematics

Questions in mathematics

📝 Answered - An equivalent fraction for $5 / 16$ is Select one: a. 5/32 b. $10 / 32$ c. $1 / 2$ d. $10 / 16$

📝 Answered - Solve by graphing. a) [tex]$\begin{array}{l} x+y=4 \ 2 x+2 y=10\end{array}$[/tex]

📝 Answered - The angular speed of a point on a planet is [tex]$\frac{3 x}{10}$[/tex] radian per hour. The equator lies on a circle of radius approximately 4000 miles. Find the linear velocity, in miles per hour, of a point on the equator. The linear speed of a point on the equator is approximately $\square$ miles per hour. (Round to the nearest whole number as needed)

📝 Answered - What is the probability of getting 2 heads up and 1 tail up when flipping three coins? A. $\frac{1}{6}$ B. $\frac{1}{4}$ C. $\frac{3}{8}$ D. $\frac{2}{3}$

📝 Answered - Over which interval is the graph of [tex]f(x)=\frac{1}{2} x^2+5 x+[/tex] 6 increasing? A. ( [tex]-6.5, \infty[/tex] ) B. ( [tex]-5, \infty[/tex]) C. ( [tex]-\infty,-5[/tex]) D. ( [tex]-\infty,-6.5[/tex])

📝 Answered - The base of a triangle is 21 inches and the height is 12 inches. Which of these expressions correctly shows how to calculate the area of a triangle? $(21+12) \div 2$ $(21+12) \times 2$ $(21 \times 12) \times 2$ $(21 \times 12) \div 2$

📝 Answered - Evaluate $3(x-4)+2 x-x^2$ for $x=5$ A. -12 B. 0 C. -4 D. 40

📝 Answered - What is the true solution to the logarithmic equation below? $\log _2(6 x)-\log _2(\sqrt{x})=2$ A. $x=0$ B. $x=\frac{2}{9}$ C. $x=\frac{4}{9}$ D. $x=\frac{2}{3}$

📝 Answered - 7x + 2 = 9 is best described as A. a range. B. an equation. C. a term. D. an inequality.

📝 Answered - The formula for converting Fahrenheit to Celsius is F = 95C + 32F. Solve for C when F = 95 degrees.