According to the commutative property of multiplication, which expression is equivalent to (3 + 7)(-2)?-2(3 + 7)3(7 – 2)(3 + 7)(-2)3 + 7 – 2 Question solved general 5 months ago 2438
A school store must spend no more than $225 for an order of pens and pencils. Each pen costs $0.75, and each pencil costs $0.25. This relationship is shown in the graph. The store needs at least 100 more pencils than pens. Which choice is a reasonable solution?A.)300 pens and 900 pencilsB.)200 pens and 300 pencilsC.)300 pens and 200 pencilsD.)100 pens and 200 pencils Question solved general 5 months ago 3636
If the original price is $45 the discount is 36% and the tax is 8% what is the final cost? Question solved general 5 months ago 5216
Julie has a cylinder containing sugar. The cylinder has a volume of 288π cubic centimeters. Which of the following could be the dimensions of Julie's sugar container? Question solved general 5 months ago 6989
Colby and Jaquan are growing bacteria in an experiment in a laboratory. Colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. Jaquan start with 80 of a different type of bacteria that doubles every 3 hours. Let x equal number of days.( * equals x in this case )Colby’s experiment follows the model:Ⓐ y = 50 • 2*Ⓑ y = 50 • 2⁸*Ⓒ y = 50 • 2¹²*Jaquan’s experiment follows the model:Ⓐ y = 80 • 2*Ⓑ y = 80 • 2⁸*Ⓒ y = 80 • 2¹²* Question solved general 5 months ago 6399
Consider the following system with the solution (1,3)Equation 1 of the system : 2x+y=5 Equation 2 of the system: x -2y =-5 Prove that replacing the first equation with the sum of that equation and a multiple of the other produces a system with the same solution Posible answers : used multiplication property of equality to write a new equation Used addition property of equality to write a new equation added equations 1 and 3 Question solved general 5 months ago 6264
Jen determined the masses of 7 rocks. She recorded he mass of 6f each rock on the line plot below. On the chart there is 1/4= 2 x's 2/4= 3x's 3/4 2'xs1=0 x's What is the total mass, in kilograms, of the 7 rocks? Question solved general 5 months ago 6101
Mr. carlucci brought 8 3/4 pounds pepperoni for large sandwiches. He cut the pepperoni into 1/12 pound slices. A skateboarder bumped into his table and 2 7/12 pound of the pepperoni fell on the ground and was eaten by 3 dogs. Does mr. carlucci have enough pepperoni left to make 74 sandwiches if he puts one slice on each sandwich? By how much is he over or under the amount of pepperoni he needs? Show your work Question solved general 5 months ago 8750
The following table shows the data collected from a random sample of 100 middle school students on the number of hours they play outdoor games every week: Weekly Duration of Outdoor Games Time (in hours) 0–2 3–5 6–8 9–11 Number of Students 30 62 8 0 There are 1,200 students in the school. Based on the sample proportion, how many students in the school would be expected to play outdoor games for at least three hours every week? 744 840 960 1,104 Question solved general 5 months ago 2230
Find the point, M, that divides segment AB into a ratio of 4:7 if A is at (-33, 0) and B is at (0, 44). Question solved general 5 months ago 3016
The table shows the gallons of fuel remaining after a car travels a certain distance in miles.The change in fuel remaining from one row to the next in the table is _______ gallon(s).The change in distance from one row to the next in the table is _____ mile(s).The slope of the line that runs through the points given in the table is ______.The slope indicates a _______. Question solved general 5 months ago 2370
5,3,2,6,5,2,5 find the mean, median, mode(s), and range of the following data. Question solved general 5 months ago 5254
There are 12 boys and 15 girls in a class. What percent of the students in the class are girls? Question solved general 5 months ago 4606
What is the value of n in this equation: 2↑2 * 2↑n = (2↑4)↑3 Question solved general 5 months ago 3899
terrarium is 20 x 8---Zach keeps his pet chameleon Pinky in a terrarium with the dimensions shown below. There are 333 inches of sand in the bottom of the terrarium. Zach gets a new terrarium for Pinky that is larger. The base of the new terrarium is 10 by 24 inches. Zach moved the existing sand to the new terrarium. Question solved general 5 months ago 9700
Given the function f(x) = log5(x + 1), find the value of f−1(2). f−1(2) = 3 f−1(2) = 11 f−1(2) = 18 f−1(2) = 24 Question solved general 5 months ago 9195
A factory ships widgets in crates. There are 12 boxes in each crate. Each box holds 275 widgets. How many widgets are in one crate? Question solved general 5 months ago 8168
the length of the rectangle shown above is (x+9). the width of the rectangle is (2x+3). Find the area of the rectangle. Question solved general 5 months ago 5740