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Questions in mathematics

[Jawaban] Evelyn bought 8.4 gallons of gas for $23.94. Which equation can be used to determine the price of each gallon of gas? A. $8.4x = 23.94$ B. $\frac{x}{8.4} = 23.94$ C. $23.94x = 8.4$ D. $\frac{x}{23.94} = 8.4

[Jawaban] Solve $y=20$ where $y$ is a real number. Simplify your answer as much as possible. (If there is more than one solution, separate them with commas.) $y=\square$

[Jawaban] The domain of [tex]f(x)=x^2 \ln x[/tex] is A. [tex](-\infty, \infty)[/tex] B. [tex](1, \infty)[/tex] C. [tex](0,1)[/tex] D. [tex](0, \infty)[/tex].

[Jawaban] What's one way to check the answer to [tex]5 \times 6=30[/tex]? A) [tex]30 \times 6=5[/tex] B) [tex]30 \times 5=6[/tex] C) [tex]30 \div 6=5[/tex] D) [tex]5 \div 6=30[/tex]

[Jawaban] Round the following numbers to the nearest hundreds: a. 127 b. 351 c. 726 d. 865 e. 1842 f. 1177 g. 2288 h. 6364

[Jawaban] What is the $y$-intercept of the graph of the function $f(x)=x^2+3x+5$?

[Jawaban] Find the lowest 6-digit number that is exactly divisible by 16, 25, 30, and 40.

[Jawaban] Given the building layout for Store A, Store B, Store C, and Store D, what portion of the shared $6000 security costs should be apportioned to Store A? Apportioned Cost = $[?]

[Jawaban] What are the domain and range of the exponential function below? [tex]F(x)=4^x+3[/tex] A. Domain: All real numbers Range: All real numbers greater than 0 B. Domain: All real numbers Range: All real numbers greater than 3 C. Domain: All real numbers greater than 0 Range: All real numbers greater than 3 D. Domain: All real numbers greater than 0 Range: All real numbers greater than 0

[Jawaban] Listen Which elements in the set below are integers? Choose the most complete answer. [tex]$12,-3 / 4,5,-7,2.24,14 / 7,9$[/tex] A) [tex]$-3 / 4,5,2.24,14 / 7$[/tex] B) [tex]$12,-7,9$[/tex] C) [tex]$12,5,-7,14 / 7,9$[/tex] D) [tex]$12,5,-7,9$[/tex]