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oee [108]
3 years ago
11

SOMEONE PLZ HELP!! :)

Mathematics
1 answer:
RUDIKE [14]3 years ago
8 0

Answer: Option a.

Step-by-step explanation:

Surface area = 2*π*r( r+h )

= 2* π*6 ( 6 + 3 )

= 339.3

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7 0
3 years ago
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xxMikexx [17]

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8 0
3 years ago
Read 2 more answers
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\left\{\begin{array}{ccc}2x+3y=17\\x+5y=19&|\text{multiply both sides by (-2)}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}2x+3y=17\\-2x-10y=-38\end{array}\right}\qquad\text{add both sides of equations}\\.\qquad\qquad-7y=-21\qquad\text{divide both sides by (-7)}\\.\qquad\qquad \boxed{y=3}\\\\\\\text{Substitute the value of y to the second equation}\\\\x+5(3)=19\\\\x=15=19\qquad\text{subtract 15 from both sides}\\\\\boxed{x=4}\\\\Answer:\ x=4\ and\ y=3.

5 0
3 years ago
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