Solve the logarithmic equation. When necessary, round answer to the nearest hundredth. log 5 x + log 5(2x + 3) = 1 Question solved general 2 months ago 9402

A study revealed a strong, linear, negative association between a decrease in salary and amount spent on clothes. Another study revealed a strong, linear, negative association between decrease in salary and amount spent on food. When the data were combined, the association became positive. What is this an example of?A. simpson's paradoxB.observational studyC.experimental studyD.cause-and effect realtionshipE.error by the statistician Question solved general 2 months ago 6572

Maria’s starting wage for her new job is $8.50 per hour. Each month during her first year, her hourly wage will increase by $0.50. What will her hourly wage be in her 10th month on the job? Question solved general 2 months ago 2046

the increase in a persons body temperature T(t), above 98.6 degrees F, can be modeled by function T(t)=4t/t^2+1, t represents the time elapsed. what is the meaning of the horizontal asymptote for this function Question solved general 2 months ago 5899

A plane can travel 640 miles against the wind in the same time it can travel 800 miles with the wind. If the plane can fly 180 mph in calm air, what is the speed of the wind? 10 mph 15 mph 20 mph Question solved general 2 months ago 9443

Carlton is solving a linear equation using the steps shown.Equation: -4x+12=-6xStep 1: Add 4x to both sides: 12=-6x+4xStep 2: Combine like terms: 12=-2xWhat is the next step he needs to complete in order to solve the equation?Add –2 to both sides of the equation.Subtract –2 from both sides of the equation.Multiply each side of the equation by –2.Divide each side of the equation by –2. Question solved general 2 months ago 6586

Jeanette purchased a concert ticket on a web site. The original price of the ticket was $75. She used a coupon code to receive a 20% discount. The web site applied a 10% service fee to the discounted price. Jeanette’s ticket was less than the original price by what percent? Question solved general 2 months ago 4418

The height h (in feet) of an object t seconds after it is dropped can be modeled by the quadratic equation h = -16t2 + h0, where h0 is the initial height of the object. Suppose a small rock dislodges from a ledge that is 255 ft above a canyon floor. Solve the equation h = -16t2 + 255 for t, using the quadratic formula to determine the time it takes the rock to reach the canyon floor. t mc001-1.jpg 0.87 s t mc001-2.jpg 4 s t = 8.5 s t = 16 s Question solved general 2 months ago 9622

Which values from the given replacement set make up the solution set of the inequality? 2b–4≥2 ; {1,2,3,4} {1,2} {3,4} {1,2,3} {2,3,4} Question solved general 2 months ago 6565

The tangent to the circle x^2+y^2=18 is parallel to the tangent x+y=6What is the equation of the tangent? Question solved general 2 months ago 9618

Kyle collects rainwater in two barrels. Last week one barrel collected 1.46 gallons of rainwater. The other barrel collected 0.751 gallon of rainwater. What was the total amount of rainwater that Kyle collected last week? Enter your answer in the box. Question solved general 2 months ago 8644

Mr. Redding sells vehicles to 20% of the people that come to the sales lot. If 65 people came to the lot last month, how many vehicles did Mr. Redding sell? Question solved general 2 months ago 5378

Brian invests £1900 into a savings account. The bank gives 3.5% compound interest for the first 2 years and 4.9% thereafter. How much will Brian have after 6 years to the nearest pound? Question solved general 2 months ago 7933

The audio-visual technician for a hotel ordered 4 boxes of microphone cords. There are 12 cords in each box.If there are now a total of 108 cords at the hotel, how many boxes of cords were there before the order? Question solved general 2 months ago 9044

john needs to cut three strips of wood 11 3/5 inches, 15 1/5 inches, and 9 2/5 inches long. He has a strip that is 48 inches long.How long will the leftover piece be after he cuts what he wants? Question solved general 2 months ago 8943

Future space stations will create an artificial gravity by rotating. consider a cylindrical space station 390 m diameter rotating about its central axis. astronauts walk on the inside surface of the space station. what rotation period will provide "normal" gravity? Question solved general 2 months ago 8554

Leila says that 75% of a number will always be greater than 50% of any other number. Complete one inequality to support Leilas claim and one to show that she is incorrect Question solved general 2 months ago 9567