AnswersEAP-Algebra Functions and Data Analysis A CRSolving Linear Systems by Substitution

Modeling with Linear Systems Answers

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1
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The solution can be expressed as (8, 9, 11)✔ (11, 9, 8)(9, 8, 11).

A
(8, 9, 11)
B
✔ (11, 9, 8)
C
(9, 8, 11)
2
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z =

Answer:

8

3

The solutions to the system mean:

A
Eleven tickets were sold on Friday. Nine tickets were sold on Saturday. Eight tickets were sold on Sunday.
B
Eleven standard tickets were sold. Nine matinee tickets were sold. Eight senior tickets were sold.
C
The price of a standard ticket is $11. The price of a matinee ticket is $9. The price of a senior ticket is $8.
4

Finish solving the system using. What are y and z? y =

Answer:

PENDING

5

Does a two-digit number exist such that the digits sum to 9 and when the digits are reversed the resulting number is 9 greater than the original number? Identify the system of equations that models the given scenario.

A
t + u = 910t + u = 10u + t – 9
B
t + u = 910t + u = 10u + t
C
t + u = 9tu = ut + 9
6

Listed in order from smallest to largest, the numbers are , , and .

Answers:
Listed in order from smallest to largest, the numbers are:-2
,:5
, and:7
7

What is the original number described in the word problem?

A
45
B
54
C
99

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