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topjm [15]
3 years ago
7

Which equation is an example of the community property of multiplication

Mathematics
2 answers:
mafiozo [28]3 years ago
5 0

its commutative property of multiplication.

it says result of product of numbers does not change by altering or reordering the numbers in multiplication.

A × B = B × A

2 × 3 = 6 = 3 × 2

laiz [17]3 years ago
4 0

Answer:

Step-by-step explanation:

A × B = B × A

2 × 3 = 6 = 3 × 2

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John Calipari, head basketball coach for the 2012 national champion University of Kentucky Wildcats, is the highest paid coach i
MrRissso [65]

Answer:

A) sample mean = $1.36 million

B) standard deviation = $0.9189 million

C) confidence interval = ($1.93 million , $0.79 million)

*since the sample size is very small, the confidence interval is not valid.

Step-by-step explanation:

samples:

  1. $2.7 million
  2. $2.4 million
  3. $2.2 million
  4. $2 million
  5. $1.5 million
  6. $1.5 million
  7. $0.5 million
  8. $0.5 million
  9. $0.2 million
  10. $0.1 million

sample mean = $1.36 million

the standard deviation:

  • $2.7 million - $1.36 million = 1.34² = 1.7956
  • $2.4 million - $1.36 million = 1.04² = 1.0816
  • $2.2 million - $1.36 million = 0.84² = 0.7056
  • $2 million - $1.36 million = 0.64² = 0.4096
  • $1.5 million - $1.36 million = 0.14² = 0.0196
  • $1.5 million - $1.36 million = 0.14² = 0.0196
  • $0.5 million - $1.36 million = -0.86² = 0.7396
  • $0.5 million - $1.36 million = -0.86² = 0.7396
  • $0.2 million - $1.36 million = -1.16² = 1.3456
  • $0.1 million - $1.36 million = -1.26² = 1.5876
  • total $8.444 million / 10 = $0.8444 million

standard deviation = √0.8444 = 0.9189

95% confidence interval = mean +/- 1.96 standard deviations/√n:

$1.36 million + [(1.96 x $0.9189 million)/√10] = $1.36 million + $0.57 million = $1.93 million

$1.36 million - $0.57 million = $0.79 million

7 0
3 years ago
If there are 1,200 calories in 8 oz of hot fudge, how many calories are in 3 oz of hot fudge?
guapka [62]
1200/8 = x/3
150 = x/3
150 * 3 = x
450 = x

450 calories 
4 0
3 years ago
Read 2 more answers
SOMEONE ANYONE PLEASE...SMART ANSWER?​
In-s [12.5K]

A triangle needs a total of 180° to be a complete triangle. First let's solve for m∠B since we have the other angles given in that triangle.

30 + 70 = 100

180 - 100 = 80° still needed to form a complete triangle. This is what m∠B equals.

From the image provided, we can see that both triangles are the exact same. So all we need to do now is find the angle that matches m∠B. In this case that angle is m∠D. Knowing that m∠B = 80° the final answer is:

m∠D = 80°

Hoped This Helped! Good Luck!

5 0
2 years ago
Read 2 more answers
Allison paid $297.50 for a new laptop. Last week, the price of the laptop<br> was $350.
Thepotemich [5.8K]

15%

350x0.15=52.5

350-52.5=297.5

4 0
3 years ago
How many miles did Dan travel if he drove 62 mph for 3.5 hours?
solong [7]

Answer:

217

Step-by-step explanation:

62x3=186+ .5 of 62 which is 31

186+31=217

4 0
2 years ago
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