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3 years ago

155%of 80 is what number

2 answers:

8 0

Recall that the conversion of 155% to decimal is to divide by 100. Thus, 155%=1.55.

Now, multiply this by 80: $1.55 * 80=124$

So our answer is 124.

podryga [215]3 years ago

8 0

Easy ok so technically all your doing is multiplying the 2 numbers together

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Bond [772]

Chebyshev came up with the limits on how much or how many of the data must lie close to the mean. In specific for any positive k, the proportion of the data that lies within k standard deviations of the mean is at least: 

1 - 1/k²

In this problem the mean is 47 yrs therefore:

(47 – 17.3) = 29.7 = (76.7 - 47)

The value of k is calculated using the formula:

29.7 / 11 = 2.7 = k

So the % of gym members aged between 19.4 and 76.6 is: 

1 - 1 / (2.6)² = 0.863 = 86.3 %

Therefore 86.3% of the gym members are aged between 19.4 and 76.6

5 0

3 years ago

What is the area of a parallelogram whose vertices are A(−12, 2) , B(6, 2) , C(−2, −3) , and D(−20, −3) ? Enter your answer in t

agasfer [191]

Answer:

$\boxed{90}\,\text{units$^2$}$

Step-by-step explanation:

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Area = (Base)(Height) = (18 units)(5 units) = 90 units²

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3 years ago

Andi purchased 1/3 pound of cashews for $2.85.What is the cost of 1 pound of cashews.

Minchanka [31]

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1/3 lb = $2.85
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3 years ago

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Firlakuza [10]

Answer: The required probability is 0.32.

Step-by-step explanation:

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3 years ago

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levacccp [35]

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3 years ago