Mathematics, 25.07.2019 01:50, mervindavisk
Xavier is older than yolanda. the difference between their age is 5 years. the sum of their ages is 33 years. how old is xavier in years
Answers: 3
Mathematics, 21.06.2019 16:40, naomicervero
Which of the following is the correct equation for this function? a. y= (x+4)(x+2) b. y=x^2+ 3x β 2 c. y+ 2 = β 2(x+3)^2 d. y+ 2 = 2(x+3)^2
Answers: 1
Mathematics, 21.06.2019 16:50, lunamoon1
The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e β0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some βreal-worldβ examples and uses of cobalt-60
Answers: 1
Mathematics, 21.06.2019 21:00, nell1234565
A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building
Answers: 2
Mathematics, 22.06.2019 01:00, autumnrose02
Anew landowner is interested in constructing a fence around the perimeter of her property. her property is 1,080β30 feet wide and 500β20 feet long. what is the perimeter of the property? (recall that the perimeter is the sum of each side of a shape or boundary). a 1,580β40 feet b. 5,320β5 feet c. 3,160β20 feet d. 10,640β5 feet
Answers: 3
Xavier is older than yolanda. the difference between their age is 5 years. the sum of their ages is...