Questions in mathematics

Questions in mathematics

📝 Answered - In captivity, the average life span of an elephant is 25 years more than that of an elk. The sum of the two ages is 55 years. What is the average life span of an elk in captivity?

📝 Answered - What is $4.05 \times 10^6$ written in standard form?

📝 Answered - Find the equation of the line passing through the points $(2,11)$ and $(-8,-19)$. $y=[?] x+[]$

📝 Answered - Solve: $|2x + 8| < 2$. Give your answer as an interval.

📝 Answered - Solve for $x$ in the equation $x - 4 = 7$. A) $x=-3$ B) $x=3$ C) $x=28$ D) $x=11

📝 Answered - Solve $5 x+m=-6$ for $m$.

📝 Answered - How much would you have to deposit in an account with a 9% interest rate, compounded continuously, to have $1500 in your account 5 years later? [Latex]P=$[?][/Latex]

📝 Answered - Evaluate $(-6)^2-7^2$ A) -85 B) -13 C) 169 D) 85

📝 Answered - A rental car company charges a base fee of $40 plus $0.25 per mile for the first 100 miles the car is driven. The company charges the same base fee plus a reduced price of $0.18 per mile for cars driven over 100 miles. The piecewise function below represents the different amounts the company charges. [tex]y=\left\{\begin{array}{l}40+0.25 m, m \leq 100 \\ 40+0.18 m, m\ \textgreater \ 100\end{array}\right.[/tex] If someone drives their rental car 150 miles, how much will they owe the rental company? A. $37.50 B. $77.50 C. $67.00 D. $27.00

📝 Answered - \frac{2^4 \cdot 2^3 \cdot 2^5}{2^4 \cdot 2^3}