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PolarNik [594]
3 years ago
9

Surface area.. please answer

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
6 0
160, I think. SA=2(lw+lh+wh).
frosja888 [35]3 years ago
5 0

\boxed{ \mathfrak{\huge \: \underline{ \underline{A nswer} }: }}

Given terms :

\hookrightarrow \: length = 8 \: in

\hookrightarrow \: width = 2 \: in

\hookrightarrow \: height = 12 \: in

we know,

\large\boxed{ \mathrm{surface \:  \: area \: (a) = 2(lw + wh + lh)}}

\hookrightarrow  \mathrm{\: a =  2 \times \bigg [(8 \times 2) + (2 \times 12) + (8 \times 12) \biggr]}

\hookrightarrow a = 2 \times \biggr[16 + 24 + 96 \biggr]

\hookrightarrow \: a =  \bigg [\:  2 \times 136\bigg ]

\hookrightarrow \large \boxed{ \mathrm{a = 272 \:  \: in {}^{3} }}

____________________________________

\mathrm{✌TeeNForeveR✌}

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dmitriy555 [2]

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Vedmedyk [2.9K]

Answer:

Hence, the probability of a Negative test is P(T^C)=0.5904.

Step-by-step explanation:

(a)

Let D= Drug user and T= Test positive

Probability of drug users P(D)=36\%=0.36

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                                   P(\frac{T^c}{D^c})=90\%=0.90

(b)

Find the Probability of a Negative test,

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\Rightarrow P(T^C)=0.9\cdot(1-0.36)+(1-0.96)\cdot 0.36

\Rightarrow P(T^C)=0.9\cdot 0.64+0.04\cdot 0.36

\Rightarrow P(T^C)=0.576+0.0144

\Rightarrow P(T^C)=0.5904

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2 years ago
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