What is the value of the expression 1/2 (3x- 5) +5 when x= -3?A. 2OB. 4.5O C. -2OD. 7 A researcher plans to conduct a survey.There are 15,400 students as targetrespondents, however due to time andresources, their adviser suggested gettinga sample at 10% margin of error. What isthe needed sample size?O A. 70OB. 80O C.C. 90O D. 100

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What is the value of the expression 1/2 (3x - 5) +5 when x= -3? A. 2 OB. 4.5 O C. -2 D. 7

College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.

Question

What is the value of the expression 1/2 (3x
- 5) +5 when x= -3?
A. 2
OB. 4.5
O C. -2
OD. 7

A researcher plans to conduct a survey.
There are 15,400 students as target
respondents, however due to time and
resources, their adviser suggested getting
a sample at 10% margin of error. What is
the needed sample size?
O A. 70
OB. 80
O C.
C. 90
O D. 100

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