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Mariya
Questions and answers by visitors named
Mariya
Questions (15)
2 questions:
1. Find "a" if (=3,7) is a solution of 2x+ay=26 2. solve system using substitution, linear combination, and
1 answer
472 views
2 questions:
1. Find "a" if (-3,7) is a solution of 2x+ay=26 2. solve system using substitution, linear combination, and
1 answer
664 views
A boat sets off perpendicular to the bank, to cross a river width of 250m. The speed of the boat in still water is 3.20ms-1,
5 answers
692 views
A car is speeding at constant velocity of 30ms-1 in an 80kmh-1 zone as it passes a stationary police motorcycle hiding. The
2 answers
568 views
A car is speeding at constant velocity of 30ms-1 in an 80kmh-1 zone as it passes a stationary police motorcycle hiding. The
3 answers
675 views
Jenny is riding on a bus. She has been unable to find a seat and so she is standing in the aisle. Explain, in physics laws and
3 answers
449 views
When catching a ball, your cricket coach advises you to move your hands backwards with the ball. Explain the physics behind this
1 answer
319 views
in the moments before you hit a truck, you decide to calculate the impulsive force (impulse) you will feel. you and your bike
1 answer
304 views
How much ice at 0 degrees celsius can be melted with 1kg of steam at 100 degrees celsius, assuming no loss of energy to the
3 answers
854 views
What is the best kind of study to conduct when wanting to show that Variable X has a direct effect on Variable Y?
The answer
3 answers
990 views
One student conducts a study on the relationship between people’s level of extroversion and the number of close friends they
2 answers
489 views
Jamil spends 1/3 of his pocket money on sweets. He saves 1/9 of his pocket money. What fraction of his pocket money is left?
9 answers
3,035 views
a shell of mass M moving with velocity v breaks into two fragments. one of the mass comes to rest. velocity of the second
1 answer
456 views
Where should a fourth point be located to form a rectangle?
Question 7 options: (3, -4) (-4, 3) (3, -5) (-5, 3)
1 answer
170 views
find the gradient of a line pe
rpendicular to the line joining these pairs of points (a) (1,2) and (5,-6) (b) (2,4) and (3,8) (c)
1 answer
193 views
Answers (6)
it's 2020 and I am struggling with this question
1.37
thank you :)
thanks :)
thanks. the answers to b. is 167m and the answer to d. is 93.7 m. but I'm not sure how to get that. would you please care to explain how to get that?
sorry =3 is -3
