Other Math Answers

if y=3,125,000e^-0.23x measures the likelihood of an elderly person surviving a fall at home (x is years, y is probability of survival). find the chance that a 70 year old survives a fall at home?

1.Which principle does not apply in terms of activities and content in a Vygotskian classroom

a.the ZPD serves as a guide for curricular and lesson planning

b. Learning occurs in a vacuum ,the link to the real world is rarely made

c. Classroom activities show the reality based and applicable to the real world

d. Learning and development are social , collaborative activities

2. What is considered as a strand of mathematical proficiency

a. Strategic competence

b. Procedural fluency

c. Rote learning

d. Productive disposition

1. Good problems have multiple entries,what does it imply?

a. Learners should not draw on their own network of mental tools, concepts and ideas

b. Teachers should dictate how learners think about a problem and solve it.

c. The diversity of learners in the classroom should not be accommodated to avoid problems.

d. Learners should use different ideas of their own to solve a problem

2. What can an integrated network of concept also be called

a. Thinking tools

b.social interactions

c. Cognitive schemes

d. New knowledge and skills

1. What does doing mathematics mean

a.mathematics is based on memorization of facts,formulas and procedures.

b.Mathematical procedures are meant to be solved as soon as possible

c.mathematics requires a good memory.

d.mathematics is a science of pattern and order

2. Which options relates to a low-level cognitive demand

a. Tasks that are usually represented in multiple ways

b. It requires that students engage with the conceptual ideas that underline procedures to successfully complete the task

c. There is no connection related to concepts

d. It requires considerable cognitive effort

The following information gives the numbers of journeys made by the delivery department of a small company: From: A B с D To A 0 3 4 2 B 1 0 0 6 С 1 2 0 2 D 4 3 0 0 The company has four different depots and the above table indicates that there was one journey made from depot A to Depot B and three journeys made from B to A and so on and so forth. .

This second table gives the loading costs per load for goods leaving each depots. Depot Cost (in 000) A k120 B k105 C k110 D k100 It costs k130000 to load for trip at Depot A. K115000 at Depot B and so on and so forth

a) i) Write these two sets of information as matrices

ii. Find the product of the two matrices

b) Explain the meaning of the entries in the product matrix

When one side of a square is double and the other side is reduced by 2 units,the area of the resulting rectangle is 126 unit² .Find the area, in unit²,of the square.^.

how is ICT useful in the teaching of mathematics? (10 marks)

what are the importance of differentian instruction in a mathematics classroom? (5marks)

what teaching strategies would you use when teaching in a multi-grade classroom?