Determine the pH of 0.150 M magnesium hydroxide solution

What is the correct formula for calculating the age of a meteorite if using half-life? factorise x^3 - 3x^2 - 9x - 5 The average wage for an electrician in CA is $25.47/hour. That is 11% above the national average. What is the national average? The outside of a bacterial cell is protected by a structure called a ?? What do you think? Should we study Shakespeare in the 21st century? Another line r is perpendicular to the line 3y = 6x + 9. Find the gradient of the line "r" show your working Please answer this correctly without making mistakes David drove a distance (d) of 187 km, correct to 3 significant figures.He used 28 litres of petrol (p), correct to 2 significant figures.The petrol consumption (c) of a car, in km per litre, is given by the formulaC=dBy considering bounds, work out the value of c for David's journeyto a suitable degree of accuracy.You must show all your working and give a reason for your final answer. Why are covalent substances gases and liquid rather than solids? Determining a Number of SolutionsQuickCheckDetermine whether the systems have one solution, no solution, or infinitely many solutions.3x - 2y = 3; 6x - 4y = 1One SolutionNo SolutionInfinitely Many Solutions3x - 5y = 8,5x - 3y = 23x + 2y = 8; 4x + 3y = 13x - y = 3; 2x - 4y = 23x - 4y = 2, 6x - y = 1IntroDone A growth medium is inoculated with 1,000 bacteria, which grow at a rate of 15% each day. What is the population of theculture 6 days after inoculation? Buses to Acton leave a bus station every 24 minutes. Buses to Barton leave a bus to Barton every 20 minutes A bus to Acton and a bus to Barton both leave the bus station at 9:00am When will a bus to Acton and a bus to Barton next leave the bus station at the same time? Solve for x: 3 < x + 3 < 6 What is the dependent variable for "how does changing your laundry detergent affect how clean your clothes are?" Omar recorded the number of hours he worked each week for a year. Below is a random sample that he took from his data.13, 17, 9, 21What is the standard deviation for the data?Standard deviation: s = StartRoot StartFraction (x 1 minus x overbar) squared + (x 2 minus x overbar) squared + ellipsis + (x n minus x overbar) squared Over n minus 1 EndFraction EndRoot.A.) 0B.) 4C) 2D.) 26.7 The area of a sector of a circle with a radius measuring 15 cm is 235.62 cm^2 . What is the measure of the central angle, to the nearest degree that forms the sector? I need help pleassseee Evaluate 16x^0 if x= -3 A boat moves 60 kilometers east from point A to point B. There, it reverses direction and travels another 45 kilometers toward point A. What arethe total distance and total displacement of the boat?OA. The total distance is 105 kilometers and the total displacement is 45 kilometers east.OB. The total distance is 60 kilometers and the total displacement is 60 kilometers east.OC. The total distance is 105 kilometers and the total displacement is 15 kilometers east.OD. The total distance is 60 kilometers and the total displacement is 45 kilometers east. Rather timidly, the small boy approaches the exceptionally tall man.Which word does the adverb "timidly" modify?a. smallb.boyc. approaches