Questions in mathematics

Questions in mathematics

📝 Answered - Express the following masses in decigrams: i) 250 g

📝 Answered - Select the best answer for the question. 3. Identify the coefficient of $-24 x^7 y^3$ A. -24 B. -3 C. 24 D. 3

📝 Answered - Rewrite $\sqrt[3]{4} \cdot \sqrt{2}$ as a single radical.

📝 Answered - Multiply: $-3.2 \times(-13) \times 6$ A) 234 B) 249.6 C) -249.6 D) -234

📝 Answered - LMNO is a parallelogram, with $\angle M=(11 x)^{\circ}$ and $\angle N=(6 x-7)^{\circ}$. Which statements are true about parallelogram LMNO? Select three options. $x=11$ $m \angle L=22^{\circ}$ $m \angle M =111^{\circ}$ $m \angle N=59^{\circ}$ $m \angle O=121^{\circ}$

📝 Answered - What is the sum of the given polynomials in standard form? $(x^2-3 x)+(-2 x^2+5 x-3)$ A. $-3 x^2+8 x-3$ B. $-x^2-2 x-3$ C. $3 x^2-8 x+3$ D. $-x^2+2 x-3$

📝 Answered - Consider vectors u = ⟨2, 1⟩ and v = ⟨4, –1⟩ with the angle between them equal to 40°. What are the scalar projections u on v and v on u? Options: 1) u v = 1.33 and v u = 1.33 2) u v = 1.33 and v u = 3.16 3) u v = 1.71 and v u = 1.33 4) u v = 1.71 and v u = 3.16

📝 Answered - What is the center of the circle, given that its equation is x² + y² - 6x + 4y = 36? A. (-3, 2)

📝 Answered - The length and breadth of our school hall are 2000 cm and 1600 cm. Let's find the length of the longest tape which can measure both length and breadth in exact whole numbers?

📝 Answered - What is the equation of the line that is parallel to the line $5x + 2y = 12$ and passes through the point $(-2, 4)$? A. $y=-\frac{5}{2} x-1$ B. $y=-\frac{5}{2} x+5$ C. $y=\frac{2}{5} x-1$ D. $y=\frac{2}{5} x+5