A 21 foot beam is to be cut into three pieces so that the second and the third piece are each 3 times the length of the first pi
ece if x represents the length of the shorter piece, find the lengths of all three pieces
1 answer:
x+3x+3x=21
7x=21
x=3
3, 9, 9=21
the answers are 3, 9, and 9
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Step-by-step explanation:
See photo for steps.
(0, 2 )
to find the y-intercept, let x = 0 in the equation
x = 0 , then 10y = 20 ⇒ y = 2 ← ( y- intercept ) ⇔ (0, 2 )
Answer:
126
Step-by-step explanation:
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The measure of the angle is 126.
