Find x if S is between R and T RS is x+3 ST is 5x and RT is 57
1 answer:
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Answer: a)
b) Cost of a macadamia nut chip cookie is $33.93 and the cost of triple chocolate cookie. is $3.77
c) Elimination method because it enables us to eliminate one of the variables.
Step-by-step explanation:
Let x be the cost of macadamia nut chip cookie and y be the cost of triple chocolate cookie.
Then according to the question we have the following equations:-
Multiplying 5 on both sides of the equation (2), we get
...............(3)
By using elimination method, subtract equation (1) from (3) we get
Substitute the value of y in (2), we get
Answer:
'Seven-eighths of is added to 12' can be represented algebraically as:
Step-by-step explanation:
Given:
Verbal phrase : 'Seven-eighths of is added to 12'
To write the verbal phrase into an algebraic expression.
Solution:
The verbal phrase 'Seven-eighths' means 7 parts out of 8 and tus can be represented as a fraction =
'Seven-eighths of ' : The phrase represents the fractional part of variable
.
Thus, we have :
'Seven-eighths of is added to 12' can be represented algebraically as: