On her birthday Sania bought 33 balloons. She distributed balloons among her friends and was left with 3 balloons.Each of her friends got 5 balloons. Write a linear equation for this problem and find how many friends does Sania have?​

Answer:

Energy consumed by 4 tubelights per day, Etubelight=(4)(40)(5)=800 WH

Energy consumed by 3 fans per day, Efan=(3)(80)(12)=2880 WH

Energy consumed by television per day, ETV=(100)(6)=600 WH

Total energy consumed per day, E=Etubelight+Efan+ETV

∴  E=800+2880+600=4280 WH =4.280  KWH per day

Total energy consumed in 30 days, ET=30×4.280=128.4  KWH

Cost of electric energy =Rs. 3.00×128.4=Rs.  385.20

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Answer:

এটা প্রেসবায়োপিয়া হবে।

Explanation:

এর দুটি কারণ হলো -

i) এটি প্রধানত একটি বয়সজনিত রোগ যা চোখের স্থিতিস্থাপকতা বিনষ্টের ফলে সৃষ্টি হয়।

ii) চোখ কোনো বিজাতীয় বস্তুর দ্বারা ক্ষতিগ্রস্ত হলে এটি হয়।

এই রোগের ফলে মানুষ সবকিছু ঝাপসা দেখে।

এই রোগের প্রতিকার হিসেবে বাইফোকাল লেন্স যুক্ত চশমা ব্যবহার করতে হয়।

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7 OUT OF 10 BALLS ARE SHADED.

THEREFORE,

FRACTION OF SHADED BALLS

= ( NUMBER OF SHADED BALLS) / ( TOTAL NUMBER OF BALLS )

= 7 / 10

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Answer:

The pictorial representation of seventh tenths is given below.

Explanation:

To find: Pictorial representation of seventh tenths.

A fraction is the ratio of the number required to the total number given.

The fraction form of seventh tenths can be written as,

7/10

In the picture shown below,

There are a total of 10 boxes out of which 7 boxes are colored.

The colored boxes are the required ones.

And the fraction of the seventh tenths represents the proportion of the colored boxes to the total ones.

The fraction is calculated by the formula,

[tex]\frac{Number\;of \;colored \;boxes}{Total\;number\;of\;boxes} =\frac{7}{10}[/tex]

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