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joja [24]
3 years ago
7

There are 21 books on each of the 4 library tables. The librarian puts half of the books on shelves. How many books are left on

the tables
Mathematics
2 answers:
fiasKO [112]3 years ago
8 0

Answer:

42 books

Step-by-step explanation:

total books = 21×4= 84books

(21/2) × 4 = 21×2 = 42 books on the shelves

remaining books =84-42= 42 books

Levart [38]3 years ago
7 0

Answer:

42

Step-by-step explanation:

I have big brains

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16 Days

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16 Days!!!!

If Alicyn makes $8 everyday for babysitting her little sister, It'll take her 16 days to make $128.

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yaroslaw [1]

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Step-by-step explanation:

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5 0
3 years ago
HELP!!!<br> Find the circumference. Don't forget to label your answer.
bija089 [108]
<h2><u>CIRCUMFERENCE</u></h2>

<h3>Possible Question:</h3>

» The diameter of a circle is 11 in. What is the circle's circumference?

<h3>Answer:</h3>
  • \blue{\bold{34.54 \: \:in}}

— — — — — — — — — —

<h3>Step-by-step explanation:</h3>

To find the circumference, use pi (π), a mathematical constant. Its value is approximately equal to 3.14.

— Multiply the diameter with π in order to get the circumference of a Circle.

  • \sf \: given  :  \underline{ \tt \: d = 11 \:  in \: } \\  \\ \tt \: \: C = π × d \tt \\ \tt \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 3.14×11 \: in  \\ \tt \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \underline{ \boxed{ \purple{ \bold{ 34.54\:in}}}}

Therefore, the circumference of the circle is 34.54 inches.

_______________∞_______________

4 0
2 years ago
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