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jenyasd209 [6]
3 years ago
8

The second quartile of a data set is 4.2. What does this mean?

Mathematics
1 answer:
nikitadnepr [17]3 years ago
6 0
The second quartile Q₂ is nothing but the Median.
This means that it median = 4.2
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Stan has a rectangular piece of carpet with an area of 23.4 square meters. The piece of carpet is 13 meters long. What is the wi
Sholpan [36]

<u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u><u>:</u>

The breadth of rectangular carpet is 1.8 m.

<u>S</u><u>t</u><u>e</u><u>p</u><u>-</u><u>b</u><u>y</u><u>-</u><u>s</u><u>t</u><u>e</u><u>p</u><u> </u><u>e</u><u>x</u><u>p</u><u>l</u><u>a</u><u>n</u><u>a</u><u>t</u><u>i</u><u>o</u><u>n</u><u>:</u>

We have,

  • The area of rectangular carpet that is 23.4 m²
  • The length of carpet is 13 m.

We know that,

= Area of rectangle = Length × Breadth

= 23.4 = 13 × Breadth

= 23.4/13 = Breadth

= 234/130 = Breadth

= 1.8 m = Breadth

<h2>__________________________</h2>
3 0
3 years ago
Simplify.<br><br> 3(y+7)+8y<br><br><br> Please answere
Katena32 [7]
3y+21+8y
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7 0
2 years ago
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Item 8 Solve for x. Use the quadratic formula. 2x2−5x−9=0 Enter the solutions, in simplified radical form, in the boxes.
Lubov Fominskaja [6]

Answer:

5+√97/4

Also 5-√97/4

Step-by-step explanation:

The Quadratic formula is x=-b+-√b^2-4ac/2a

This means that we should plug the values for A B AND C into the formula

We can work out that

<u><em>A = 2</em></u>

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Once we have put these into the formula we get

5+√97/4 (all over 4) aka 3.71

Also 5-√97/4 (all over 4) aka -1.21

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3 years ago
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A tiny statue of Tom Brady is 2 inches tall.
swat32

Answer:

5 feet

Step-by-step explanation:

The statue is 2 inches tall and 1 inch=2.5

Multiply 2.5 by 2 for a 2 inch statue

2.5×2=5

6 0
3 years ago
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I need help proving a few trigonometric identities.
ryzh [129]

Answer:

i have solved them . if u can't understand. .. ask me XD

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