3 years ago

The height of a person and the person age is a linear relationship or not

2 answers:

4 0

It is not because the term is used to describe the differences of a variable and a constant. Both of height and age are variables.

sleet_krkn [62]3 years ago

3 0

The height and the age is not always linear.

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3. Suppose the mystery bag had resulted in the following number of red chips. Using the simulated sampling distributions found e

Vinvika [58]

Answer:

a) 0.172

b) 0.167

c) 0.1404

Step-by-step explanation:

Margin of error, E = $2\times\sqrt{\frac{p(1-p)}{n}}$

here,

p = probability of the event

n = sample size

a) n = 30

p = 10 ÷ 30 = 0.333

Therefore,

E = $2\times\sqrt{\frac{0.333(1-0.333)}{30}}$

= 2 × 0.0861

= 0.172

b) n = 30

p = 21 ÷ 30 = 0.7

Therefore,

E = $2\times\sqrt{\frac{0.7(1-0.7)}{30}}$

= 2 × 0.0836

= 0.167

c) n = 30

p = 22 ÷ 50 = 0.44

Therefore,

E = $2\times\sqrt{\frac{0.44(1-0.44)}{50}}$

= 2 × 0.0702

= 0.1404

3 0

3 years ago

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lisabon 2012 [21]

The scale factor is 200

4 0

3 years ago

Find the radius and center of the circle given by the equation below. (x – 6)2 + (y + 4)2 = 7

valentina_108 [34]

Center will be (6,-4) and the radius will be square root of 7

4 0

3 years ago

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-3x + 2y = 21<br> -4x + y = 23

Nady [450]

Answer:

2y = 3x + 21

y = 1.5x + 10.5

plug in, in the second equation

- 4x + (1.5x + 10.5) = 23

-4x + 1.5x + 10.5 = 23

-2.5x + 10.5 = 23

-2.5x = 12.5

x = 12.5/-2.5 = -5

y = 1.5 (-5) + 10.5 = 3

x = -5

y = 3

5 0

3 years ago

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Find the values of x for which the equation cos x = 1 is true

BlackZzzverrR [31]

Just find the inverse cosine of 1 which is 0 degrees.

3 0

3 years ago