Questions in mathematics

Questions in mathematics

[Free] Carlos and Maria drove a total of 258 miles in 5 hours. Carlos drove the first part of the trip and averaged 53 miles per hour. Maria drove the remainder of the trip and averaged 51 miles per hour. For approximately how many hours did Maria drive? Round your answer to the nearest tenth if necessary.

[Free] Solve the following logarithm: \(\log_{\frac{1}{3}} 27\)

[Free] What are the values of \( x \) and \( y \) that would make this equation true? \[ 2x - 20i = 8 - (4y)i \]

[Free] What is the fractional notation for 10 1/6?

[Free] With a headwind, a plane traveled 390 miles in 1.5 hours. Let \( x \) represent the plane’s speed (excluding wind speed) and let \( y \) represent the wind speed in miles per hour. Which equation models this situation?

[Free] Solve the equation: 5.4 + 0.2x = -1.4x + 8.6

[Free] How to factorize \(6ac - 12\).

[Free] What is [tex]1000000 + 80900000[/tex] in its simplest form?

[Free] Alice solved the following equation: \[ -18 - 3x = 12 \] \[ -3x = 6 \] \[ x = -2 \] Which of the following statements is true? A. Alice is correct. B. The 6 should be 30 in step two. C. The 6 should be -6 in step two. D. The 6 should be -4 in step two.

[Free] What is the easiest way to divide fractions?