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2 years ago

Park View Apartments has 2 buildings. Each building has 3 floors. Each floor has

Mathematics

1 answer:

Lilit [14]2 years ago

8 0

Step-by-step explanation:

2 Buildings : 3 Floors Each : 16 Windows per Floor

Multiply 2 and 3 to get the total amount of floors.

2 times 3 equals 6

Then, multiply 6 and 16 to get the total amount of windows in the Park View Buildings.

6 times 16 equals 96

Therefore, there are 96 windows in total or 48 windows per building

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A painter is painting a wall with an area of 150 ft2. He decides to paint half of the wall and then take a break. After his brea

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145.31 ft2 will be painted on his fifth break.

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2 years ago

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Eliza's backpack weighs 18 and StartFraction 7 over 9 EndFraction pounds with her math book in it. Without her math book, her ba

kati45 [8]

Answer:

$Math\ Book = 3\frac{65}{72}\ kg$

Step-by-step explanation:

Given

$Backpack = 18\frac{7}{9}kg$ --- with math book

$Backpack = 14\frac{7}{8}kg$ --- without math book

Required

Determine the weight of her math book

To do this, we simply calculate the difference in the weights given.

Math Book= Backpack(with math book) - Backpack (without math book)

$Math\ Book = 18\frac{7}{9} - 14\frac{7}{8}$

$Math\ Book = \frac{169}{9} - \frac{119}{8}$

Take LCM

$Math\ Book = \frac{8 * 169 - 9 * 119}{72}$

$Math\ Book = \frac{1352 - 1071}{72}$

$Math\ Book = \frac{281}{72}$

$Math\ Book = 3\frac{65}{72}\ kg$

7 0

2 years ago

A certain oxyacid is derived from the oxyanion so3(-2). the formula for the oxyacid is which

sergeinik [125]

To make this anion into a complete acid, then this must be added with Hydrogen ion H+. So the chemical equation looks like:

H+ + SO3(2-) --> ?

Now to balance it:

H+ + SO3(2-) --> H2SO3

Answer:

H2SO3

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2 years ago

A swimmer can swim 50.2 meters in 1 minute. How far can he swim in half an hour? *

belka [17]

Answer:

1506meters

Step-by-step explanation:

1hour-60minutes

which means half an hour is 30minutes,so it's more like they are asking you to find how far the swimmer can swim in 30minutes

50.2-1min

x -30min

x=50.2×30

x=1506meters

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2 years ago

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The mean yearly rainfall in Sydney, Australia, is about 134 mm and the standard deviation is about 66 mm ("Annual maximums of,"

svetlana [45]

Answer:

At least 202.44 mm in the top 15%.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

$\mu = 134, \sigma = 66$