Questions in Grade High-school

Questions in Grade High-school

[Done] Julissa is running a 10-kilometer race at a constant pace. After running for 18 minutes, she completes 2 kilometers. After running for 54 minutes, she completes 6 kilometers. Her trainer writes an equation telling $t$, the time in minutes represent the independent variable and $k$, the number of kilometers, represent the dependent variable. Which equation can be used to represent $k$, the number of kilometers Julissa runs in $t$ minutes? A. $k-2=\frac{1}{9}(t-18)$ B. $k-18=\frac{1}{9}(t-2)$ C. $k-2=9(t-18)$ D. $k-18=9(t-2)$

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

[Done] A sphere and a cylinder have the same radius and height. The volume of the cylinder is $18 cm^3$. What is the volume of the sphere? A. $12 cm^3$ B. $24 cm^3$ C. $36 cm^3$

[Done] What is the sum? [tex]$\frac{3}{x^2-9}+\frac{5}{x+3}$[/tex]

[Done] Solve each equation. [tex]|3x + 9| = 30[/tex]

[Done] Match each equation with its number of unique solutions. [tex]y=3 x^2-6 x+3 \quad y=-2 x^2+9 x-11 \quad y=-x^2-4 x+7[/tex] | Two Real Solutions | One Real Solution | |---|---| | | | | One Complex Solution | Two Complex Solutions | | | |

[Done] Wilbur has $800 to open a checking account. He can maintain a minimum balance of at least $500. He plans to use the ATM twice a month and he maintains a savings account at the same bank. His employer has direct deposit and he sometimes overdrafts his account. Bank Account Terms and Conditions | | A | B | C | D | | :---------------- | :----------------------------------------------- | :------------------------------------------------------------------ | :--------------------- | :--------------------- | | Minimum Balance | $500 | $250 | $300 | $100 | | Interest | 0.2% | 0% | 0.02% | 0% | | Overdraft Fees | $0 if linked with savings account or $40 per overdraft | $35 per overdraft | $25 per overdraft | $25 per overdraft | | ATM Usage/Fees | $0 for all ATMs | $0 for ABC bank ATMs $3 for nonABC bank ATMs | $4 per transaction | $3 per transaction | | | $10 or | | | |

[Done] A key benefit of scaling out (horizontal scaling) is?

[Done] Vipul formed the greatest 7-digit number using the following digits: 4, 2, 1, 7, 6, 0, 3. What is 100 more than the number formed by Vipul?

[Done] The winner-take-all rule means: A) Whoever wins the popular vote nationwide wins the presidency B) Whoever wins the state of Florida wins the presidency C) The electoral votes of a state are split in proportion to the popular votes D) Whoever wins the popular vote of a state wins all that state's electoral votes E) I don't know