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satela [25.4K]
3 years ago
5

5x + 45 = 1605 im too lazy to do this thx

Mathematics
2 answers:
bixtya [17]3 years ago
5 0
5x+45=1605
-45 from both sides
5x=1560
divide each side by 5
x=312
JulijaS [17]3 years ago
3 0
<span><span><span>5x</span>+45</span>=1605</span>Subtract 45 from both sides.<span><span><span><span>5x</span>+45</span>−45</span>=<span>1605−45</span></span><span><span>5x</span>=1560</span>Divide both sides by 5.<span><span><span>5x</span>5</span>=<span>15605</span></span><span>x=<span>312


</span></span>
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Answer:

Probability that the proportion in our sample of red candies will be less than 20% is 0.5 .

Step-by-step explanation:

We are given that 20% of the candy produced are red. A random sample of 100 bags of Skittles is taken.

The distribution we can use here is;

               \frac{\hat p - p}{\sqrt{\frac{\hat p (1- \hat p)}{n} } } ~ N(0,1)

where, p = 0.20 and n = 100

Let \hat p = proportion of red candies in our sample

So, P(\hat p < 0.20) = P(\frac{\hat p - p}{\sqrt{\frac{\hat p (1- \hat p)}{n} } } < \frac{0.20 - 0.20}{\sqrt{\frac{0.2 (1- 0.2)}{100} } } ) = P(Z < 0) = 0.5

Therefore, probability that the proportion in our sample of red candies will be less than 20% is 0.5 .

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Step-by-step explanation:

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The algebraic rule for these two figures is ...

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<em>Additional comment</em>

No rotation is involved here.

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