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Questions in Grade College

[Answered] The number of fish, f, in Skipper's Pond at the beginning of each year can be modeled by the equation [tex]$f ( x )=3\left(2^{ x }\right)$[/tex], where x represents the number of years after the beginning of the year 2000. For example, [tex]$x =0$[/tex] represents the beginning of the year 2000, [tex]$x =1$[/tex] represents the beginning of the year 2001, and so forth. According to the model, how many fish were in Skipper's Pond at the beginning of the year 2006? A. 96 B. 192 C. 384 D. 1,458 E. 46,656

[Answered] 1. What were some of the key challenges faced by travelers on the Oregon Trail, and how did these challenges affect their journey and morale? 2. How did the natural landscape along the Oregon Trail contribute to both the hardships and the sense of accomplishment experienced by the travelers? 3. In what ways did communal support and resource management play a role in the success of the migration on the Oregon Trail? 4. Reflecting on the conclusion of the journey, how did the experience of traveling the Oregon Trail shape the settlers' views on the American West and their future in the Oregon Territory?

[Answered] For the isotope ${ }^{71} Ga , Z =$ $\qquad$ and $A =$ $\qquad$ A. 31; 40 B. $31 ; 69.723$ C. 71; 31 D. $71 ; 40$ E. 31; 71

[Answered] Which brain structure is primarily involved in forming new memories? A. Hippocampus B. Thalamus C. Amygdala D. Medulla

[Answered] Alexandra has 36 coins valued at $6.00. She has only nickels and quarters. Which equation can be used to solve for the number of nickels, $n$? | | Number | Value | Total | | :------- | :----- | :---- | :--------- | | Nickels | $n$ | 0.05 | $0.05n$ | | Quarters | $36-n$ | 0.25 | $0.25(36-n)$ | | Total | 36 | | 6 | A. $0.05 n+0.25(36-n)=6$ B. $0.05 n+0.25(36-n)=36$ C. $n+0.05=0.05 n$ D. $n+(36-n)=36$

[Answered] [tex]\frac{1}{2}+\frac{-3}{5}+\frac{3}{2}[/tex]

[Answered] Which of the following is a key element in the proof of the law of cosines? A. [tex]$d=\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}$[/tex] B. [tex]$A=\frac{1}{2} b \cdot h$[/tex] C. [tex]$\angle A+\angle B+\angle=180$[/tex] D. The triangle inequality theorem

[Answered] Suppose that the dollar value [tex]$v(t)$[/tex] of a certain house that is [tex]$t$[/tex] years old is given by the following exponential function: [tex]$v(t)=476,000(0.87)^t$[/tex] Find the initial value of the house. $476000 Does the function represent growth or decay? growth decay By what percent does the value of the house change each year? $\square$ %

[Answered] If a raffle has a winning prize of $100 and each ticket costs $5 with a total of 500 tickets sold, which equation would calculate the expected value? [tex]$100\left(\frac{1}{500}\right)+(-5)\left(\frac{499}{500}\right)=E(X)$[/tex] [tex]$95\left(\frac{1}{500}\right)+(-5)\left(\frac{190}{500}\right)=E(X)$[/tex] [tex]$(100-5)\left(\frac{1}{500}\right)=E(X)$[/tex] [tex]$(100)\left(\frac{1}{500}\right)=E(X)$[/tex]

[Answered] The premium for 3-5 day shipping is 20%. What is the cost to ship 1,500 lbs of goods from Louisville to New Orleans (708 miles) using 3-5 day shipping? | Distance (miles) | 0-200 | 201-400 | 401-600 | 601-800 | 801-1000 | | :--------------- | :---- | :------ | :------ | :------ | :------- | | Price per 100 lbs | $100 | $120 | $200 | $240 | $400 | $[?]