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nikitadnepr [17]
3 years ago
15

What is the interquartile range of the data set? {18, 17, 10, 25, 20, 20, 30, 18, 18, 30, 25} Enter the answer in the box. PLEAS

E HURRY UP 
Mathematics
2 answers:
sasho [114]3 years ago
7 0
The interquartile is 21
Rzqust [24]3 years ago
7 0

Answer:

the actual answer is 7 xD

Step-by-step explanation:

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49π

Step-by-step explanation:

πr^2

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Can a right triangle be formed using these squares
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4 0
3 years ago
Read 2 more answers
Five years from now, the sum of the ages of a women and her daughter will be 40 years. The difference in their present age is 24
CaHeK987 [17]

Answer:

Her daughter is <u>3 years</u> old now.

Step-by-step explanation:

Given:

Five years from now, the sum of the ages of a women and her daughter will be 40 years.

The difference in their present age is 24 years.

Now, to find how old is her daughter now.

Let the age of daughter be x\ years.

And the age of mother be y\ years.

According to question:

(x+5)+(y+5)=40

⇒ x+y+10=40

<em>Subtracting both sides by 10 we get:</em>

⇒ x+y=30

⇒ x=30-y............( 1 )

Now, as given in question:

The difference in their present ages is 24 years.

x-y=24

Putting the equation ( 1 ) in the place of x we get:

⇒ (30-y)-y=24

⇒ 30-2y=24

<em>Moving variable on one side and the numbers on the other:</em>

⇒ 30+24=2y

⇒ 54=2y

<em>Dividing both sides by 2 we get:</em>

⇒ 27=y

So, <em>the age of the mother is 27 years.</em>

Now, putting the value of  y in equation( 1 ) we get:

x=30-27

⇒ x=3

<em>The age of daughter is 3 years.</em>

Therefore, her daughter is 3 years old now.

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3 years ago
A truckload of cement weighs approximately 3
dexar [7]

Answer:

Step-by-step explanation:

5 0
3 years ago
Use the discriminant to describe the roots of each equation. Then select the best description.
zhuklara [117]
◆ QUADRATIC RESOLUTIONS ◆

given \:  \: equation \:  \:  -  \\ \\   3 {x}^{2}  +7x - 2 = 0 \\  \\ here \: a = 3 \: \:  , \:  \: b = 7  \: , \:  \: c =  - 2 \\  therefore  \:  \: , \\ discriminant \:  =  {b}^{2}  - 4ac = 7 3 \\  \\  using \: quadratic \: formula \:  \: , \\  \\ x =  \frac{ - b +  \sqrt{d} }{2a}  =   \frac{ - 7 +  \sqrt{73} }{6}   \:  \:  \:  \:  \: ans.\\  \\ also \: \:  , \\  \\ x =  \frac{ - b  -   \sqrt{d} }{2a}  =   \frac{ - 7  -  \sqrt{73} }{6} \:  \:  \:  \:  \:  \: ans.
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3 years ago
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