Questions by Jason Xu

Questions by Jason Xu

match the equation on the left with the correct solution on the right -5x² = -500 ?(x+2)² = 169 ?x²-49=0 ?x² =25 ?x = -5'5x= -10,10x = -15,11x = -7,7

asked Oct 10, 2023

1 answer

8 votes

301k views

How many terms are in the following expression? x2+7x-13

asked Sep 15, 2023

1 answer

42 votes

418k views

Factorise the following: A. 4xy-16 B. xy+2xy-x C. 2x²-18x+12 D. 5xy+20x-9y-36

asked Jul 18, 2023

1 answer

31 votes

210k views

A biologist is studying a plant blight. At the start of their research, the blight covers a circular area with a radius of 5 kilometers. When they re-examine the blight two years later, the area has grown

asked Jul 7, 2023

1 answer

0 votes

479k views

I don't know answer to this problem?

asked Aug 23, 2022

2 answers

17 votes

126k views

The ratio of one side of ΔABC to the corresponding side of similar ΔDEF is 3:5. The perimeter of ΔDEF is 48 inches. What is the perimeter of ΔABC?

asked Mar 18, 2022

1 answer

26 votes

28.7k views

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