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Questions in Grade College

📝 Answered - What is the solution to $\log _5(x+30)=3$? A. $x=-95$ B. $x=-5$ C. $x=5$ D. $x=95

📝 Answered - Solve the following $3 \times 3$ system. Enter the coordinates of the solution below. $\begin{aligned} 2 x-3 y-2 z & =4 \ x+3 y+2 z & =-7 \ -4 x-4 y-2 z & =10 \end{aligned}$

📝 Answered - Which of the following organizations are identified as sponsors in developing the NEC and NFPA 70E? Select all that apply, then select Submit. A. International Brotherhood of Electrical Workers (IBEW) B. International Electrotechnical Commission (IEC) C. National Electrical Manufacturers Association (NEMA) D. National Fire Protection Association (NFPA)

📝 Answered - Which of the following results from an incomplete chromosome? A. complex disease B. chromosomal disease C. single-gene disease D. immune disorder

📝 Answered - Type the correct answer in the box. Round your answer to the nearest whole number. What's the percentage of organisms that survived? A natural disaster caused a population of 4,695 organisms to migrate to a new habitat. A few generations after the disaster, it was observed that the new habitat did not support the survival of the species. The table shows the population of the species in the two habitats. | Original Habitat | New Habitat | |------------------|-------------| | 4,695 | 2,326 | Based on the table, the population in the new habitat is about $\square$ percent of the original population.

📝 Answered - An important effect of the March on Washington for Jobs and Freedom was that: A. it raised awareness of civil rights through TV coverage. B. it negatively affected national opinion about civil rights C. it divided supporters of civil rights into two groups. D. it helped ensure the passage of the Voting Rights Act

📝 Answered - (b) Using the method of the equation [tex]$\frac{1+\tanh (x)}{1-\tanh (x)}=e^{2 x}$[/tex], with [tex]$x$[/tex] replaced by [tex]$y$[/tex]. Let [tex]$y=\tanh ^{-1}(x)$[/tex]. Then [tex]$x=$[/tex] ______ [tex]$\tanh (y)$[/tex], so we have the following. [tex]$e^{2 y}=\frac{1+\tanh (y)}{\square}=\frac{1+x}{1-x}$[/tex]

📝 Answered - What are the coefficients for the binomial expansion of $(a+b)^3$? A. $1,4,6,4,1$ B. 1, 1 C. $1,2,1$ D. $1,3,3,1$

📝 Answered - Give the equation of a circle with a diameter that has endpoints (-4, -4) and (-9, 7).

📝 Answered - Select the correct choice and, if necessary, fill in the answer box within your choice. A.$\tan ^{-1}\left[\tan \left(-\frac{2 \pi}{3}\right)\right]=$ $\square$ (Simplify your answer. Type an exact answer, using $\pi$ as needed. Use integers B. It is not defined.