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doggosbepis
01.10.2019 •
Mathematics
Evaluate the expression
x over y+ 2(y - 3) - x when x = 8 and y=-4
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Ответ:
-26
Step-by-step explanation:
-4+2(-4-3)-8=-4-14-8=-18-8=-26
Ответ:
So to find the measure of RSP you could go through this process:
2(PST)=RST
2(y+5)=5/2y
((distribute))
2y+10=5/2y
((subtract 2y from both sides by making multiplying it by 2/2 and making it 4/2y)
10=1/2y
((multiply both sides by 2 to cancel out the 1/2 and get y alone on one side of the equation and your answer would be))
y=20
Now that you know the value of y, you can plug that into the measure of angle PST, which, as said before, is equal to angle RSP so you would have:
RSP=PST=y+5
RSP=PST=20+5
RSP=25