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9966 [12]
3 years ago
11

A boy weighs 44 pounds. How much does he weigh in kilograms

Mathematics
1 answer:
Tom [10]3 years ago
7 0

The conversion factor is 2.2 pounds = 1 kg

1 kg = 2.2 pounds

x kg = 44 pounds

1/2.2 = x / 44      Multiply both sides by 33

(1 / 2.2) * 44 = x

44/2.2 = x

x = 20 kg

So a 44 pound person has a mass of 20 kg.  <<<< Answer.

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Four ounces of orange juice contain 50 calories. About how many calories are in 14 ounces of orange juice
fenix001 [56]
644 calories... i think sorry if I'm wrong(•_•)
3 0
3 years ago
The scores on a certain standardized test follow a normal distribution. The mean score is 76, and the standard deviation is 8.
Inessa [10]

About 4.01% of the test scores in the normal distribution that are greater than 90

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more number and variables.

Z score is given by:

z = (raw score - mean) / standard deviation

Given that mean score is 76, and the standard deviation is 8.

For x > 90:

z = (90 - 76) / 8 = 1.75

P(z > 1.75) = 1 - P(z < 1.75) = 1 -  0.9599 = 0.0401

About 4.01% of the test scores in the normal distribution that are greater than 90

Find out more on equation at: brainly.com/question/2972832

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3 0
2 years ago
Paul plays a video game that is scored by round . In about 500 rounds his career average is 20 points per round with a standard
DanielleElmas [232]

Answer:

The mean of the sampling distribution is 20 and the standard deviation is 2.89.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

Population:

Mean 20, standard deviation of 5.

Sampling distribution:

3 rounds

Mean = 20

s = \frac{5}{\sqrt{3}} = 2.89

The mean of the sampling distribution is 20 and the standard deviation is 2.89.

5 0
3 years ago
Solve for x. ax+bx+c=d
White raven [17]

Answer:

Step-by-step explanation:

ax  + bx + c = d

ax + bx = d - c

x ( a + b ) = d - c

x = \frac{d-c}{a+b}

8 0
2 years ago
The volume of a cylinder is 1441 in and the height of the cylinder is 1 in. What is the radius of the cylinder? The radius of th
fiasKO [112]

Answer:

229.459 rounded

Step-by-step explanation:

V=πr2h

1441 = \pi r 2 (1)

divide 1441 by 2 and then divide by 3.14 (pi)

r = 229.459 rounded

4 0
3 years ago
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