a.Multiply:(a+b) (a+3)
b.The area of base of a coboids is 40cm square and its height is 3 cm find the volume of a box.
c.if 15 oranges cost Rs.70,how much do 39 oranges cost ?
d. In an examination 45% of students are passed and 1375 are failed.Find total number of students and number of passed stdent.
e. divide : (3a square + 10a +3) by (a+3)
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Your answer is given in the attachment
with Step-by-step explanation.....
In first question it is done by the binomial to binomial term multiplication.
In second question, area of base means length × breadth.
In third one , we have to find the cost of 1 orange then we can easily able to find the cost of 39 oranges.
In fourth one, we have taken the total number of students as x and the further answer is given in the attachment.
fifth question is explained properly in the attachment
Attachments:
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most welcome :)
Your 3rd one is wrong
The answer will be 182
15x = 70 × 39
= 182
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