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Questions in mathematics

[Jawaban] Graph the exponential model $y=2(0.5)^x$. Which point lies on the graph? (0,2) (2,5) (-4,1) (1,-1)

[Jawaban] Aubrey says that the product of [tex]$10^4$[/tex] and [tex]$10^{-2}$[/tex] is [tex]$10^{-8}$[/tex]. Is she correct? If not, explain why. A. Yes, she is correct. B. No, the exponent should be positive 8. C. No, she multiplied the exponents instead of adding them. D. No, she multiplied the exponents instead of subtracting them.

[Jawaban] Solve the following division problem: 6 T 284 lb \div 3,071 Select one of four: A. 3 lb B. 2 lb C. 4 lb D. 5 lb

[Jawaban] Andrew has a cell phone plan that provides 300 free minutes each month for a flat rate of $19. For any minutes over 300, Andrew is charged $0.39 per minute. Which of the following piecewise functions represents charges based on Andrew's cell phone plan? A. [tex]f(x)=\left{\begin{array}{c}19, x\ \textgreater \ 300 \\ 19+.39 x, x \leq 300\end{array}\right}[/tex] B. [tex]f(x)=\left{\begin{array}{c}19, x \leq 300 \\ 19+.39(x-300), x\ \textgreater \ 300\end{array}\right}[/tex] C. [tex]f(x)=\left{\begin{array}{c}19, x \leq 300 \\ .39 x, x\ \textgreater \ 300\end{array}\right}[/tex] D. [tex]f(x)=\left{\begin{array}{c}19, x \leq 300 \\ 19+.39 x, x\ \textgreater \ 300\end{array}\right}[/tex]

[Jawaban] Select the correct answer from each drop-down menu. Consider the given equation. [tex]$3 x+2 y=8$[/tex] The equation [tex]$y=$[/tex] [blank] [tex]$x+$[/tex] [blank] represents the line parallel to the given equation and passes through the point [tex]$(-2,5)$[/tex].

[Jawaban] (79 x 4319) + (4319 x 11)

[Jawaban] Use the property of subtraction to solve for x. [tex]x+9=14[/tex]

[Jawaban] Select the correct answer. Which statement is true about this equation? [tex]$-9(x+3)+12=-3(2 x+5)-3 x$[/tex] A. The equation has one solution, [tex]$x=1$[/tex]. B. The equation has one solution, [tex]$x=0$[/tex]. C. The equation has no solution. D. The equation has infinitely many solutions.

[Jawaban] Select the correct answer. Which expression is equivalent to the given expression? [tex]$2 x^2-14 x+24$[/tex] A. [tex]$2(x-3)(x-4)$[/tex] B. [tex]$2(x-5)(x-2)$[/tex] C. [tex]$2(x-8)(x+3)$[/tex] D. [tex]$(2 x-12)(x-2)$[/tex]

[Jawaban] How many apples at N80.25 each can you buy for N1605? Supposing you sell them at №95.50 each, what will be your profit?