3 years ago

Please help I’m really stressed

Mathematics

1 answer:

Vladimir79 [104]3 years ago

4 0

The answer of this equation is A

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Miss penny inherits $520 She decides to save some of the money and spend the rest The ratio of savings to spending money is 9:4

Romashka-Z-Leto [24]

Answer:

savings = $360

spending = $160.

Step-by-step explanation:

saving : spending

9 : 4

total amount = $520

add the two parts in the ratio(9+4) to get the total parts.

9 + 4 = 13parts . so, 13 parts = 520.

what about 9 and 4?

13 = 520

9 = ?

9 × 520/13 = 360

4 × 520/13 = 160.

hope this helps.

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In a recent survey of 500 social media users, 300 stated that they were concerned about privacy. Assuming the distribution is ap

Vesnalui [34]

Answer:

Standard error for the proportion of social media users who are concerned about privacy

S.E = 0.0219

Step-by-step explanation:

Explanation:-

Given data recent survey of 500 social media users, 300 stated that they were concerned about privacy

Size of random sample 'n' = 500

x = 300

sample proportion $p = \frac{x}{n} = \frac{300}{500} = 0.6$

Standard error for the proportion of social media users who are concerned about privacy is determined by

$S.E = \sqrt{\frac{p(1-p)}{n} }$

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0.6c+2.5=3.22 solve for c

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The answer to 0.6c+2.5=3.22 solving for C Answer:
c=1.2

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Any number over its self. for example 1,999/1,999

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