12 1/4 - 3 3/5 =
49/4 - 18/5 =
245/20 - 72/20 =
173/20 =
8 13/20
Answer:
A=V/QJ
Step-by-step explanation:
divide by QJ so that A is solved
Answer:
positive 33
Step-by-step explanation:
a negative times a negative is a positive and 3 times 11 is 33
The expressions 14, 6 + 8, and (6 + 8) are equivalent because they are all equal to 1
<h3>Equivalent expression</h3>
14
6 + 8
= 14
(6 + 8)
= 14
The coefficient of (6 + 8) is 1, so, the expression remains the same.
<h3>What is equivalent expression?</h3>
Equivalent expressions refers to those expressions that work the same even though they look different.
The importance or significance of equivalent expression is that its makes expressions easier to work with and solve.
Therefore, the expressions 14, 6 + 8, and (6 + 8) are all equivalent to 14.
Learn more about equivalent expression:
brainly.com/question/15775046
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Answer:
She is incorrect
Step-by-step explanation:
Step 1: substitute
135 into x in both equations
Step 2: Solve the equations. Once you do this you will get y = 5375 for the first one and y = 4720 for the second one, therefore she is incorrect
