Question

46. The situations below illustrates a quadratic equation problem EXCEPT
1. A garden 7m by 12m will be expanded by planting a border of flowers. The border will be of the same width around the entire garden and has an area of 92m2.
2. One side of a rectangle is 4 in shorter than three times the other side. The area of the rectangle is 319 in2.
3. A realty developer sells residential lots for Php4,000 per sq.m plus a processing fee of Php25,000. One of the lots the realty developer is selling costs Php625, 000.
4. The sum of two numbers is 31, their difference is 41.
5. We throw an object upward from the top of a 1200 ft tall building. The height of the object, (measured in feet) t seconds after we threw it is h (t) = 16t2 + 160t + 1200

Answer 1

Step-by-step explanation:

A can complete a work in 6 days.A and B working together can complete the work in 4 days.How long would B alone take to complete the work?

Answer 2

Answer:

a can complete a work is 6