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yulyashka [42]
2 years ago
9

What is the area of a square with sides of length 2 1/2 cm?

Mathematics
2 answers:
Dafna1 [17]2 years ago
6 0
Area of square = 4L
= 4 * 2 1/2
= 10 cm
kondor19780726 [428]2 years ago
6 0
The sides of a square are all the same therefore you should multiply 2 1/2 * 4 = and get 10.
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In the diagram of O, m∠JOK = 60° and OJ = 6 in. What is the exact area of the shaded region?
Sophie [7]

Answer:   6π

<u>Step-by-step explanation:</u>

Area of a circle is π r².

Area of a section of a circle is π r² × the section of the circle.

A=\pi r^2\bigg(\dfrac{\theta}{360^o}\bigg)

Given: r = 6, Ф = 60°

A=\pi (6)^2\bigg(\dfrac{60^o}{360^o}\bigg)\\\\\\.\quad =\pi (6)^2\bigg(\dfrac{1}{6}\bigg)\\\\\\.\quad =6\pi

3 0
2 years ago
Three consecutive even numbers have a sum where one half of that sum is between 90 and 105. Write an inequality to find the the
viva [34]

90 <  [( n + n + 2 + n + 4) / 2] < 105

90 <  (3n + 6) / 2 < 105

3n + 6 > 180      and       3n + 6 <  210

n > 58     ,     n <  68

58  < n < 68   answer


6 0
3 years ago
Help me on this math please​
FromTheMoon [43]
The correct answer is D
6 0
3 years ago
Helpppp please any answers
hoa [83]

Step-by-step explanation:

2 + 3 × 6 + 4 × 3

Here, Parantheses should be put,

<u>(2 + 3) </u>× 6 + 4 × 3. (P.E.D.M.A.S) ( First Parantheses)

= 5 × 6 + 4 × 3 (Then multiplication)

= 30 + 12. (At last addition)

= 42

7 0
2 years ago
Marcus has 731 books he puts about the same number of books on each of nine shelves in his bookcase about how many books are on
kondaur [170]

Answer:

81.2222 or 81 with 2 left over

Step-by-step explanation:

731/9 = 81.2222

81.2222 rounded down = 81

9*81 = 729

731-729 = 2 left over

This is the third time I am answering the question.

5 0
3 years ago
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