A stick 7 inches long is broken into two pieces so that one piece is twice as long as the other one. How long are the two pieces
? Answer:
1 answer:
Answer:
The correct answer is: one piece 14/3 inches and second piece 7/3 inches
Step-by-step explanation:
Let's marked variables as x and y
Now we have that is:
x + y = 7 and y = 2 x
When we replace y in the first equation we get:
x + 2 x = 7 => 3 x = 7 => x = 7/3
Now we will replace x in the y = 2 x and get:
y = 2 · 7/3 = 14/3
x = 7/3 and y = 14/3
God with you!!!
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Answer:
Boooommm x= -2
Step-by-step explanation:
3x − 14y = –20
ok so 3x-14y=-20
+14 to invert the fraction
-20+14=-6
3x=-6
-6/3=-2
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