Algebra Answers

A boy purchased some chocolates from a shop for Tk. 120. If the price of chocolate was reduced by 20%, he could have purchased 2 more chocolates. How many chocolates did he buy?

What is cosine? how it differs from sine?

a number consist of two digits whose sum is 10.when 36 is substracted from the number,the digits interchange their places.find the number.

A hospital needs 10 L of a 10% solution of disinfectant. How many liters of a 25% solution and a 5% solution should be mixed to obtain this 10% solution?

A hospital needs 10 L of a 10% solution of disinfectant. How many litters of a 25% solution and a 5% solution should be mixed to obtain this 10% solution?

Condense to a single log expression:
[1 - 5log3x]/2

If a pizza costs £2.85 (Ex VAT) to produce and is sold to the guest for £8.29 (Ex VAT), what percentage gross profit is made from this dish? (To 1 decimal place)

logx-log3=1 solve for x

A “No Passing Zone” sign has the shape of an
isosceles triangle. The width of the sign is 5
inches greater than its height. The top and
bottom edges of the sign are 42.54 inches.
The base is 2x. A) What is the height? B) What is the width?

3. ABC Company currently has ¼ fewer computers than they employees

If they currently have 80 employees and they want to hire more, how many computers will they need to buy to ensure that each employee has one?