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babymother [125]
3 years ago
10

Which of the following describes a continuous variable?

Mathematics
1 answer:
saveliy_v [14]3 years ago
6 0

Answer: E. The shoe sizes of all shoes on sale at a department store

Step-by-step explanation:

Continuous variable is defined as:

  • a numeric variable that has an infinite values between any two values.
  • a measure of a quantity like length, height, weight etc.

Here, All the options from A to D are discrete variables that are countable.

Only option E. is describing the measure as size of the shoe.

Hence, "The shoe sizes of all shoes on sale at a department store" is describing a continuous variable.

So, the correct option is "E".

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You know that the sum of -5 and another integer is a positive integer. What can you conclude about the sign sign of the other in
kirill115 [55]
I can conclude that the sign of the other integer is positive and that the other integer is 6 or greater.

I tried explaining it, but failed miserably. I'm so sorry! :(
3 0
4 years ago
Read 2 more answers
if U={natural number less than 10}, M={multiples of 2}, N={factors of 8} and O={even number} then can we write M intersection (N
mr_godi [17]

Answer:

yes

Step-by-step explanation:

u={1,2,3,4,5,6,7,8,9}

m={2,4,6,8}

N={1,2,4,8}

O={2,4,6,8}

Now

M intersection (N intersection O) = (M intersection N) intersection O

or , {2,4,6,8} intersection {2,4,8} ={2,4,8}

intersection {2,4,6,8 }

:. {2,4,8} ={2,4,8}

7 0
3 years ago
What are the roots of the equation 9x^2 + 54x +82 = 0 in simplest a + bi form?​
s344n2d4d5 [400]

Answer:

The roots are

<h3>x =  - 3 +  \frac{1}{3}  i \:  \:  \: or \:  \:  \: x =  - 3 -  \frac{1}{3} i \\</h3>

Step-by-step explanation:

9x² + 54x + 82 = 0

Using the quadratic formula

That's

<h3>x =  \frac{ - b\pm \sqrt{ {b}^{2}  - 4ac} }{2a}</h3>

From the question

a = 9 , b = 54 , c = 82

Substitute the values into the above formula and solve

That's

<h3>x =  \frac{ - 54\pm \sqrt{ {54}^{2}  - 4(9)(82)} }{2(9)}  \\ x =  \frac{ - 54\pm \sqrt{2916 - 2952} }{18}  \\ x =  \frac{ - 54\pm \sqrt{ - 36} }{18}  \\ x =  \frac{ - 54\pm 6i}{18}</h3>

Separate the real and imaginary parts

That's

<h3>x =  -  \frac{54}{18} \pm \frac{6}{18}  \: i \\ x =  - 3\pm \frac{1}{3} i</h3>

We have the final answer as

<h3>x =  - 3 +  \frac{1}{3}  i \:  \:  \: or \:  \:  \: x =  - 3 -  \frac{1}{3} i \\</h3>

Hope this helps you

5 0
3 years ago
Find the Volume<br><br> A.108<br> B.54<br> C.18<br> D.36
Paha777 [63]
3x9x4 = 108
Answer is A
4 0
3 years ago
Read 2 more answers
 Help me pleaseee!!<br> Would appreciate ^^<br> **BRAINLIST, thanks and points***<br> Fasstt pls
sveticcg [70]

Answer:

2500000000

Step-by-step explanation:

→ Multiply 1 by 25000

1 × 25000 = 25000

→ Convert into metres

2500000

→ Convert into centimetres

2500000000

7 0
2 years ago
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