Questions in Grade High-school

Questions in Grade High-school

[Done] Let [tex]\mathbf{u} = \overrightarrow{XY}[/tex] where X = (-4, 6) and Y = (8, 3). What is the magnitude of 2[tex]\mathbf{u}[/tex]?

[Done] Research the composting process, including what materials can be composted and the factors that contribute to successful composting. Learn about the role of microorganisms in breaking down organic matter.

[Done] Find the measures of central tendencies (mean, median, mode). The scores of 9 students in a 100-item test are 67, 70, 49, 95, 40, 97, 62, 54, and 42.

[Done] 1. Price of a pen and a notebook together is 25 rupees. Price of 4 pens and a notebook is 40 rupees. a. What is the price of 3 pens? b. What is the price of a notebook? 2. Look at the equations given below: x + 2y = 27 2x + y = 24 a. What is the value of 3x + 3y? b. What is the value of x + y? 3. One side of a rectangle is 5 cm more than the other side. Perimeter of the rectangle is 34 cm. a. If the smaller side is x and the other is y, write the equations. b. Find the lengths of the sides.

[Done] In terms of computing, what does CPU stand for? A) Computer Protection Universe B) Cost Per Unit C) Computer Practical Unit D) Central Processing Unit

[Done] Select the correct answer. Points $A$ and $B$ lie on a circle centered at point $O$. If $\frac{\text { length of } \widehat{A B}}{\text { radius }}=\frac{\pi}{10}$ what is the ratio of the area of sector $A O B$ to the area of the circle? A. $\frac{1}{10}$ B. $\frac{\pi}{10}$ C. $\frac{1}{20}$ D. $\frac{\pi}{20}$

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] Which values are within the range of the piecewise-defined function? [tex]f(x)=\left\{\begin{array}{ll}2 x+2, & x\ \textless \ -3 \\ x, & x=-3 \\ -x-2, & x\ \textgreater \ -3\end{array}\right.[/tex] y=-6 y=-4 y=-3 y=0 y=1 y=3

[Done] List all integers $x$ satisfying the inequality. A. $2,3,4.5$ B. $2,5$ C. $3,4,5$ D. $2,3,4$

[Done] Serena makes $9 per hour cutting lawns. Each day, she earns about $15 in tips. If Serena made no less than $110 on Monday, which inequality represents $h$, the number of hours she worked on Monday? A. $15h+9 \leq 110$ B. $15h+9 \geq 110$ C. $9h+15 \geq 110$ D. $9h+15 < 110