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timama [110]
3 years ago
8

Solve the equation using square roots 2x^2=242

Mathematics
1 answer:
tia_tia [17]3 years ago
6 0

2x^2=242\qquad|:2\\\\x^2=121\qquad|\sqrt{(\ldots)}\\\\\\\boxed{x=11\qquad\vee\qquad x=-11}

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4 0
3 years ago
If a man worked for the lumber company and made $1.50 a day, how much would he make if he worked 10 days? PLEASE HELP
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3 0
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∠GBE = y (alternate angles)

∠DBG + ∠GBE = 180 (Adjacent angles on a straight line adds up to 180)
⇒ x + y = 180

∠DBG = ∠ABE (Vertially opposite angles)
⇒ x = 5y - 18

--------------------------------------------------
Solve for x and y :
--------------------------------------------------
x + y = 180 -------- (1)
x = 5y - 18 --------- (2)

Sub (2) into (1) :
5y - 18 + y = 180 
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x = 33 --------- Sub into (1)
x + y = 180
33 + y = 180
y = 147

-----------------------------------------------------
Answer: x = 33°, y = 147°
-----------------------------------------------------

8 0
2 years ago
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