Solve the equation without the use of a calculator. please Help!!! Thank you!!!
5=2x^2+3
1 answer:
Solving for X.
5 = 2x^2 + 3 Subtract 3 from both sides.
2 = 2x^2 Divide by 2 on both sides.
1 = x^2 Take the square root of both sides.
X = 1
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Answer:
6r + 10
Explanation:
2(5 + 3r)
= (2)(5 + 3r)
= (2)(5) + (2)(3r)
= 10 + 6r
= 6r + 10
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Step-by-step explanation:
The 3 angles need to equal 180 when added together:
A) 49 + 59 +72 = 180
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Answer:
166
Step-by-step explanation:
A=2(wl+hl+hw)=2·(4·5+7·5+7·4)=166
