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Questions in Grade High-school

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

📝 Answered - Evaluate the integral $\int_0^3 \frac{3(x+2)}{\sqrt{x+1}} d x$. A. 32 B. 24 C. 16 D. 18 E. 20

📝 Answered - Use synthetic division to solve $(3 x^4+6 x^3+2 x^2+9 x+10) \div (x+2)$. What is the quotient?

📝 Answered - What is the difference between the ratios $\frac{1}{4}$ and $\frac{1}{5}$?

📝 Answered - The table shows the probabilities of each result. | Result | Win | Draw | Lose | | -------- | ----- | ----- | ----- | | Probability | | 0.05 | 0.3 | Each win is worth 3 points. Each draw is worth 1 point. Each loss is worth 0 points. The football team plays 40 games in a season. Work out how many points the football team should receive in one season.

📝 Answered - The vertex form of the equation of a parabola is $y=(x-5)^2+16$. What is the standard form of the equation? A. $y=3 x^2-10 x+41$ B. $y=x^2-10 x+41$ C. $y=x^2+x+8$ D. $y=x^2+10 x+16$

📝 Answered - What is the slope of the line whose equation is $y-4=\frac{5}{2}(x-2)$?

📝 Answered - Kim solved the equation below by graphing a system of equations. [tex]\log _2(3 x-1)=\log _4(x+8)[/tex] What is the approximate solution to the equation? A. 0.6 B. 0.9 C. 1.4 D. 1.6

📝 Answered - You are deciding how to dock your boat. Which of these is the most important factor to consider? A. location of cleats on the dock B. strength of the wind or current C. position of your boat fenders D. length of your docking lines

📝 Answered - An organic chemist measures the temperature [tex]$T$[/tex] of a solution in a reaction flask. Here is the result: [tex]$T=21.3{ }^{\circ} C$[/tex] Convert [tex]$T$[/tex] to SI units. Round your answer to 4 significant figures.