Posible * returning anpect that is either the compressed back to
shape
ser
by)
do so...
Mathematics, 19.05.2021 04:00, brittanycrowdis
Posible * returning anpect that is either the compressed back to
shape
ser
by)
do sotty
ustration of elastic force.
- above diagram shows that (a) when sitting on a spring chair, your weight
"g, and the restoring force pushes back up to support your weight. b) When
on a spring, the weight's pull the spring to extend it, while the spring itself
ises to restore it to its initial position (Gibbs, 2013).
observed the behavior of elastic springs and formulated
of force required to stretch or compress a
he second cu
coefficient
e now note
nds Stage 2
Chapter 2 Linear Functions, Equations, and Inequalities 63
Exercises 2.2
1. Solve the following systems using the substitution technique. Illustrate by sketching a graph of
each system. Check your answers.
a.
C.
e.
x + 2y = 100
b. 3x + y = 20
x- y=3 d.
5x+2y=9
4x + 3y = 275
5x = 2y = 26
2x + 3y=21
6x + 5y = 16
3x + 4y= 1
0.5x +2.0y = 21 g.
x-y=3
h. x +2y = 30
2x - 5y = 16
3.0x - 1.5y = 18 x+y=6
2x + 3y = 50
Solve the systems in Exercise 1 using the elimination technique. Check your answers.
mponi
2.
Answers: 3
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