Answer:
2nd one
Step-by-step explanation:
sorry if that is incorrect it should be right though
Answer:
1.25 ft/sec
Step-by-step explanation: 1 hr
Note that 1 hr = 3600 sec. Thus, multiplying 4500 ft/hr by ----------------
3600 sec
4500 ft
gives us the equivalent expression ------------------ = 1.25 ft/sec
3600 sec
Addition Property of Equality
Step-by-step explanation:
The equations are given as;
2x+2y=14----(i)
y-x=5 ?-------apply addition property of equality
y-x+x=5+x
y=5+x -------use this expression in equation (i)
2x +2(5+x)=14 ----------open brackets on the left side
2x+10+2x=14 -------collect like terms
4x+10=14
4x=14-10
4x=4
4x/4=4/4
x=1
y-1=5
y=6
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Addition property of Equality :brainly.com/question/3474035
Keywords: proof,shows, equivalent,system of equations
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Answer:
8 I think it is I sure I worked it out