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4 years ago

What is 50% x 64 = _

Mathematics

2 answers:

Mumz [18]4 years ago

4 0

Answer:

Step-by-step explanation:

50% is 50 percent of 100, meaning it is half of 100. Therefore, you can find 50% of 64 by dividing it by 2, therefore making it half.

Another way you could do this is by converting 50% into a decimal. This would make it 0.5. From here, you can multiply 0.5 by 64, leading to to the same answer that you would get by dividing 64 by 2.

Also, you could convert 50% into a fraction, making it 1/2. Then, you could multiply 1/2 by 64, which would give you 32.

miss Akunina [59]4 years ago

3 0

Answer:

Step-by-step explanation:

Change 50% in to a decimal. To do that you move the decimal point two spaces to the left giving you .5. So .5x64=32

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A wall is 15 ft. High and 10 ft. From a house. Find the length of the shortest ladder which will just touch the top of the wall

Talja [164]

Answer:

the length of the shortest ladder is 11.41 feet

Step-by-step explanation:

The computation of the length of the shortest ladder is shown below:

AB^2 = AC^2 + BC^2

AB^2= (10)^2 + (5.5)^2

AB^2= 100 + 30.25

AB^2 = 130.25

AB = 11.41 feet

hence, the length of the shortest ladder is 11.41 feet

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3 years ago

1. The mean annual US household income is $72,641. Suppose that the standard deviation is $30,000. a. Find the probability that

valina [46]

Answer:

The answer is below

Step-by-step explanation:

The z score is used to determine by how many standard deviations the raw score is above or below the mean. The z score is given as:

$z=\frac{x-\mu}{\sigma}\\\\where\ x=raw\ score,\mu=mean\ and\ \sigma=standard\ deviation \\\\For\ a\ sample\ size\ n: \\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }$

Given that μ = $72,641 and σ = $30,000.

a) x > $100000

$z=\frac{100000-72641}{30000}=0.91$

P(x > 100000) = P(z > 0.91) = 1 - 0.8186 = 0.1814

b) n = 5

x > $100000

$z=\frac{100000-72641}{30000/\sqrt{5} }=2.04$

P(x > 100000) = P(z > 2.04) = 1 - 0.9793 = 0.0207

c) n = 10

x > $100000

$z=\frac{100000-72641}{30000/\sqrt{10} }=2.88$

P(x > 100000) = P(z > 2.88) = 1 - 0.9980 = 0.002

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3 years ago

Sharon earns 4% Commission on the items that she sells one week she earns $150 in commission what is the total value of the item

Annette [7]

X = total sales
y = sharon's commision earnings

Since Sharon makes 4% of the total sales, we want to calculate how many sales equate to a $150 return. Since 4% = .04, the solution would be :

y = .04 x
150 = .04 x
150/.04 = x
3750 = x

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4 years ago

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nevsk [136]

Answer:

Step-by-step explanation:

Given: