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2 years ago

Which of these is NOT continuous data:

Mathematics

1 answer:

zavuch27 [327]2 years ago

5 0

Answer:

A. number of days it rains in a year

Step-by-step explanation:

A. number of days it rains in a year - discrete

B. height of the grass in a nature preserve each year-continuous

C. amount of rainfall in a year-continuous

D. level of water in a rain barrel-continuous

The number of days can only be an integer and therefore is discrete data

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Caleb bought groceries and paid

lutik1710 [3]

Answer:

Price of Caleb's groceries before tax= $6.4

Step-by-step explanation:

Let price of groceries before tax be = $ $x$

Sales tax % = 2.5%

Sales tax applied = $2.5\% \ of\ x = \frac{25}{100}\times x = \frac{25}{100} x$

Actual sales tax paid = $1.60

∴ $\frac{25}{100}x=1.60$

Multiplying both sides by 100.

$100\times \frac{25}{100}x=1.60\times 100$

$25x=160$

Dividing both sides by 25.

$\frac{25x}{25}=\frac{160}{25}$

$x=6.4$

∴ Price of groceries before tax= $6.4

8 0

3 years ago

Read 2 more answers

How do you write the quotient when a number is divided by 2 decreased by 2

AnnyKZ [126]

__D__
12-2

D OVER 12-2

5 0

3 years ago

For a standard normal distribution,Find P(-1.21 < Z< 2.26)

Mars2501 [29]

Answer:

The range of z-score is given below as

$P(-1.21Using a graphing calculator, we will have the image be[tex]\begin{gathered} P(z$

4 0

1 year ago

Please hurry final examm i need help

MA_775_DIABLO [31]

Answer:

Step-by-step explanation:

Multiply 72 by .75 and you get 54

4 0

2 years ago

its 76 degrees fahrenheit at the 6000-foot level of a mountain, and 49 degrees Fahrenheit at the 12000-foot level of the mountai

brilliants [131]

$T = \frac{-9}{2}x + 103$ is the linear equation to find the temperature T at an elevation x on the mountain, where x is in thousands of feet.

Solution:

The linear equation in slope intercept form is given as:

T = cx + k ------ (i)

Where "t" is the temperature at an elevation x

And x is in thousands of feet

Given that its 76 degrees fahrenheit at the 6000-foot level of a mountain

Given, when c = 6 thousand ft and $T = 76^{\circ}$ fahrenheit

This implies,

From (i)

76 = c(6) + k

76 = 6c + k

⇒ k = 76 - 6c ----- (ii)

Given that 49 degrees Fahrenheit at the 12000-foot level of the mountain

Given, when c = 12 thousand ft and $T = 49^{\circ}$ fahrenheit

This implies,

From (i)

49 = c(12) + k

49 = 12c + k

Substitute (ii) in above equation

49 = 12c + (76 - 6c)

49 = 12c + 76 - 6c

49 - 76 = 6c

6c = -27

$c = \frac{-9}{2}$

Substituting the value of c in (ii) we get

$k = 76 - 6( \frac{-9}{2})\\\\k = 76 + 27 = 103$

Substituting the value of c and k in (i)

$T = \frac{-9}{2}x + 103$

Where "x" is in thousands of feet

Thus the required linear equation is found

5 0

3 years ago