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Questions in Grade High-school

📝 Answered - If the function [tex]f(x)=x^2+7[/tex] then evaluate: 1) [tex]f(3 a)=[/tex] 2) [tex]f(b-1)=[/tex] 3) [tex]\frac{f(x+\Delta x)-f(x)}{\Delta x} \quad[/tex] where [tex]\Delta x \neq 0[/tex]. Choose the correct answer: A) [tex]2 x+\Delta x[/tex] B) [tex]x+\Delta x[/tex] C) [tex]2 x-\Delta x[/tex]

📝 Answered - Alguien puede traducirlo?: What's the fastest animal in the world?

📝 Answered - Which of the following statements about migration is true? A. Migration is always from one region to another. B. Animals always migrate within a region. C. Migration always negatively impacts an ecosystem. D. Animals migrate for various reasons.

📝 Answered - Fill in the gaps to balance the equation. Use the smallest set of whole numbers to balance the equation and include coefficients of "1" when appropriate. [tex]$\square$ C _6 H _{13} COOH + $\square$ O _2 \rightarrow $\square$ CO _2+ $\square$ H _2 O[/tex] Complete the table to determine how many atoms of each element are present in the reactants and products. | Element | Reactant | Products | |---|---|---| | C | | | | H | | | | O | | |

📝 Answered - Over time, the number of organisms in a population increases exponentially. The table below shows the approximate number of organisms after y years. | y years | number of organisms, n | | ------- | ---------------------- | | 1 | 55 | | 2 | 60 | | 3 | 67 | | 4 | 75 | The environment in which the organism lives can support at most 600 organisms. Assuming the trend continues, after how many years will the environment no longer be able to support the population? A. 12 B. 24 C. 61 D. 82

📝 Answered - Given: [tex]$m \angle ADE =60^{\circ}$[/tex] and [tex]$m \angle CDF =(3 x+15)^{\circ}$[/tex] Prove: [tex]$x=15$[/tex] What is the missing statement and the missing reason in step 5? Statements | Reasons --- | --- 1. [tex]$m \angle A D E=60^{\circ}$[/tex] | 1. Given 2. [tex]$m \angle C D F=(3 x+15)^{\circ}$[/tex] | 2. Given 3. [tex]$\angle A D E$[/tex] and [tex]$\angle C D F$[/tex] are vert. [tex]$\angle s$[/tex] | 3. def. of vert. [tex]$\angle s$[/tex] 4. [tex]$\angle A D E=\angle C D F$[/tex] | 4. vert. [tex]$\angle s a$[/tex] 5. [tex]$\angle A D E=m \angle C D F$[/tex] | 5. def. of a 6. | 6. ? 7. [tex]$45=3 x$[/tex] | 7. subtr. prop. 8. [tex]$15=x$[/tex] | 8. div. prop. Statement: [tex]$60=3 x+15$[/tex]; Reason: substitution Statement: [tex]$x=15$[/tex]; Reason: subtraction property of equality Statement: [tex]$60=3 x+15$[/tex]; Reason: transitive property Statement: [tex]$x=15$[/tex]; Reason: subtraction and division properties of equality

📝 Answered - ACTIVITY 2: Robert's Rules of Order in Brief. Read chapters 1-7 of the Robert's Rules of Order in Brief. Then, answer the questions for each chapter, summarizing the main ideas in complete sentences. Chapter 1 1) What is the paradox that occurs based upon the size of the group in a meeting? 2) Why are rules of order called parliamentary procedures (what is the origin of the term)? Chapter 2 3) What is a quorum? 4) What is meant by "unfinished business"? 5) How is a recess accomplished? Chapter 3 6) What is the purpose of a second to a motion? 7) Who usually opens the debate on a main motion? Chapter 4 8) What is meant by the word germane? 9) How can the time limit for each speaker during a debate be changed?

📝 Answered - What's a good thing to say to the rider if you want to make sure they exit the vehicle safely? A. "For your safety, I will let you know when it's okay to exit the vehicle." B. "I have the child locks on, please don't get out yet." C. "If you get out of the car now, I'll let Uber know." D. "For your safety, please stay in your seat and don't move."

📝 Answered - Which equation describes a parabola that opens up or down and whose vertex is at the point $(h, v)$? A. $x=a(y-h)^2+v$ B. $x=a(y-v)^2+h$ C. $y=a(x-v)^2+h$ D. $y=a(x-h)^2+v$

📝 Answered - Select all that apply. Which of the following are effects of echo chambers? A. They foster misinformation. B. They bring people together. C. They make people better informed. D. They drive people apart. E. They create a shared reality.