If $680 is worth $698.70 after three months, what interest rate was charged? Question solved general 5 months ago 754
A survey of 116 high school students determined whether they used Instagram, Twitter, or Facebook. The provided information was determined. 71 used Instagram. 54 used Twitter. 75 used Facebook. 36 used Instagram and Twitter. 45 used Instagram and Facebook. 36 used Twitter and Facebook. 24 had all three features. How many of the students used Instagram or Twitter, but not Facebook? Question solved general 5 months ago 2681
Ethan's earned $36.50 an hour .he is paid time and a half for any hours worked over over 44 in a week what will Ethan's pay be for a week in which he worked 49hours? Question solved general 5 months ago 1571
A juice producer sources all of his oranges from a huge plantation that has a variety of oranges. The amount of juice extracted from each of these oranges has an approximately normal distribution, with a mean of 4.70 ounces and a standard deviation of 0.40 ounces. Suppose you select a random sample of 25 oranges: What is the probability that the sample mean is at least 4.60 ounces? Question solved general 5 months ago 1708
What would be the Future value invested of 1000 for 5 years at 6% Question solved general 5 months ago 1533
An electric shower operates at a power of 3,600 W. What is the monthly energy consumption, in kWh, if it is used for 15 minutes daily? Consider a month with 30 days. Question solved general 5 months ago 2833
3 years ago Lusia was 5 years old and Teresa was “a” years old. What will be the sum of their ages in “a” plus years? Question solved general 5 months ago 795
Calculate the acceleration in m/s2 that is applied so that a car moving in a straight line at 103 km/H reduces its speed to 60 km/h in 1.5 Question solved general 5 months ago 2566
work out the lower bound and upper bound for the following calculations, if each number is given to the nearest whole number. 76-28 Question solved general 5 months ago 964
container with a base 14 cm by 10 cm is filled with 0.46 l of lemon juice. If 0.8 & more lemon juice is needed to fill up the container completely, find the height of the container. Answer: Question solved general 5 months ago 2410
To estimate the proportion of single-person households out of 20,000 households, a sample (MAS) will be selected. Knowing that in the last census this proportion was 11% and that in no way can it exceed 15% currently; determine the sample size to have a precision of 1% and a confidence of 99%. Question solved general 5 months ago 1594
A manufacturing company of two types of products. Each product must be processed in two departments. Product XX requires three hours per unit in department 1 and two hours per unit in department 2. Product YY requires three hours per unit in department 1 and two hours per unit in department 2. Departments 1 and 2 have , respectively 90 and 100 hours available each week, the profit margins of the two products are, respectively, $30 dollars and $20 dollars per unit. Model the objective function and constraints to obtain maximum utility Question solved general 5 months ago 704
If x + y = 8 and xy = 15, what is the value of x ² + 6xy + y ² Question solved general 5 months ago 2779
calculate the difference equation whose general solution is Y=(xc)^2-1 with c constant then demonstrate with each of the following functions if they are a solution to said equation and indicate what type of solution it is a) y=x^2 b) y=-1 c)y=x^2+2x Question solved general 5 months ago 1529