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3 years ago

13

WILL GIVE BRAINLIEST

2 answers:

tatuchka [14]3 years ago

7 0

2.75ft= 33in
1.5ft = 18in
0.6*7in + 42
V= (33in)*(18in)*(4.2in)= 2494.8in^3
V= (2494.8in)^3 * (1gal)/(231in^3)= 10.8

Assoli18 [71]3 years ago

4 0

The problem statement suggests you should convert dimensions to inches to work this problem... 2.75 ft = 33 in.. 1.5 ft = 18 inThe empty height is.. 0.6*7 in = 4.2 inso the empty volume is.. V = (33 in)*(18 in)*(4.2 in) = 2494.8 in³
Multiplying this by the conversion factor to gallons gives.. V = (2494.8 in)³ × (1 gal)/(231 in³) = 10.8 gal
It will take 10.8 gallons of gas to fill the tank.Let me know if you need more help

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erastova [34]

Answer:

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Step-by-step explanation:

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Binomial probability distribution

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And p is the probability of X happening.

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This means that $n = 10$

Find the probability of obtaining at least 8 failures.

This is:

$P(X \geq 8) = P(X = 8) + P(X = 9) + P(X = 10)$

So

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$P(X = 9) = C_{10,9}.(0.6667)^{9}.(0.3333)^{1} = 0.0867$

$P(X = 10) = C_{10,10}.(0.6667)^{10}.(0.3333)^{0} = 0.0174$

Then

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