subject
Mathematics, 18.03.2021 01:50 ChocCole

4 red bricks have a mean weight of 5kg 5 blue bricks have a mean weight of 9kg

1 green brick has a weight of 6kg

Donna says, "The mean weight of the ten bricks is less then 7kg"

Is donna correct?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 18:30
Mr. and mrs. wallace have decided to buy a car for $21,600. they finance $15,000 of it with a 5-year auto loan at 2.9% arp. what will be their monthly payment be? a. $268.20 b. $268.86 c. $269.54 d. $387.16 i need !
Answers: 1
question
Mathematics, 21.06.2019 20:30
A. plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. which function could be described as exponential and which as linear? explain. c. if the functions continue with the same pattern, will the function values ever be equal? if so, give estimates for the value of x that will make the function values equals. if not, explain why the function values will never be equal.
Answers: 3
question
Mathematics, 22.06.2019 00:00
Ascientist studied a population of workers to determine whether verbal praise and/or tangible rewards affect employee productivity. in the study, some workers were offered verbal praise, some were offered tangible rewards (gift cards, presents, and some were offered neither. the productivity of each participant was measured throughout the study by recording the number of daily tasks completed by each employee. which inference might the scientists make based on the given information? a.) the number of daily tasks completed by each employee may influence the dependent variable, which is whether the employee receives verbal praise, tangible rewards, or neither. b.) verbal praise and/or tangible rewards may influence the independent variable, which is the number of daily tasks completed by each employee. c.) verbal praise and/or tangible rewards may influence the dependent variable, which is the number of daily tasks completed by each employee. d.) the dependent variables, which are verbal praise and tangible rewards, may influence the number of daily tasks completed by each employee.
Answers: 1
question
Mathematics, 22.06.2019 04:00
∠a and ∠ b are complementary. if m∠ b = 80°, what is the measure of ∠ a? 10° 80° 90° 100°
Answers: 1
You know the right answer?
4 red bricks have a mean weight of 5kg 5 blue bricks have a mean weight of 9kg

1 green...
Questions
question
Mathematics, 30.07.2019 00:00
question
Mathematics, 30.07.2019 00:00
question
Mathematics, 30.07.2019 00:00
Questions on the website: 13722361