Questions in mathematics

Questions in mathematics

📝 Answered - Select the correct answer. The first 1,500 students who register cars with the parking facilities office at a state university are guaranteed a parking space. The initial number of students at the office when it opened was 83, and the number of students that visit the office increases every hour by 17%. Which of the following inequalities can be used to determine the number of hours, $t$, after the parking facilities office opened when the number of students at the office will be at or below 1,500? $83(1.17)^t \leq 1,500$ $83(0.83)^t \geq 1,500$ $83(1.83)^t \leq 1,500$ $83(1.017)^t \geq 1,500

📝 Answered - Giselle used the table to predict the cost of one year of college. | Category | Estimated Cost 2017-2018 | | --------------- | ------------------------ | | tuition | $12,450 | | room and board | $10,125 | | transportation | $2,600 | | books and fees | $2,250 | | other | $1,250 | Giselle predicts that she will receive a grant for $4,000. If she has 4 years in which to save, what is the minimum monthly amount she should deposit in an interest bearing savings account to be able to pay her contribution for one year of college? A. $400 B. $500 C. $600 D. $700

📝 Answered - Complete the square to find the solutions of $x$ for this equation. $x^2+14 x=-13$ Select the correct answer from each drop-down menu. The given equation is equivalent to ( $x+$ $\square$ )$^2=$ $\square$ . The values of $x$ that make this equation true are $\square$ and $\square$ .

📝 Answered - Write an equation for a line that passes through points $(2,1)$ and $(0,7)$. A) $y=3 x+7$ B) $y=-3 x+7$ C) $y=-3 x-7$ D) $y=-7 x+3$

📝 Answered - Which of the following is a quadratic equation written in standard form? A. - z² = 6z + 2 B. y² - 3y + 4 = 0 C. x - 3x² + 5 = 0 D. 2x² + 4x = 5

📝 Answered - 6. (19 - 5 × 2) ÷ 3 + 7 7. 11 + (4 × 9 - 6) ÷ 5 8. (18 + 3 × 4 ÷ 2) - 8 × 2 9. 10 + [7 × (9 + 8 - 6)] - 15 10. 15 + {4 × [5 × (8 - 3 + 9)] ÷ 7}

📝 Answered - $\frac{75 \%}{\frac{75}{100}}$

📝 Answered - Identify and extend the pattern to find the next number in this sequence: 56, 45, 34, 23, ... A. 12 B. 13 C. 11 D. 10

📝 Answered - Which graph represents the piecewise-defined function $f(x)=\left\{\begin{array}{ll}-1.5 x+3.5, & x<2 \\ 4+x, & x \geq 2\end{array}\right.?$

📝 Answered - Simplify this expression. [tex]m^{13} \times m^6=[/tex] A. [tex]m^{19}[/tex] B. [tex]m^7[/tex] C. [tex]m^{18}[/tex] D. [tex]m^8[/tex]