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3 years ago

158, 164, 146, 170, 165, 187, 164, 174, 186, 197

Mathematics

1 answer:

omeli [17]3 years ago

8 0

B. No Histogram.

Part C:

Mean: 171.1

Median: 167.5

Mode: 164

Range: 51

Part D:

Minimum: 146

First Quartile: 164

Third Quartile: 186

Maximum: 197

E. No Box and Whisker Plot

Part F:

40th Percentile: 164.4

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Kevin is 4 times as old as Daniel and is also 6 years older than Daniel

MAXImum [283]

Answer:

Part a) Daniel's age is 2 years

Part b) Kevin's age is 8 years

Step-by-step explanation:

The question is

Part a) How old is Daniel?

Part b) How old is Kevin?

Let

x ----> Kevin's age

y ----> Daniel's age

we know that

$x=4y$ -----> equation A

$x=y+6$ ----> equation B

Equate equation A and equation B

$4y=y+6$

solve for y

$4y-y=6$

$3y=6$

$y=2$

therefore

Daniel's age is 2 years

Find the value of x

substitute the value of y in any of the two equations

$x=4(2)=8\ years$

$x=2+6=8\ years$

therefore

Kevin's age is 8 years

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Step-by-step explanation:

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Use the Angle Addition Postulate to find the measure of each angle.

Simora [160]

For number 15 and 16, you just have to find the absolute difference between the two points along the calibration of the protractor.

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2 years ago