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Please correct the grammar in the following sentence:

Q: Когда я шел на магазине, я нашел книга и думал, что она была интересная. A: Когда я шел в магазин, я нашел книгу и думал, что она была интересна.
JM
Answered by Juliet M. • Russian tutor
1427 Views

How to solve Simultaneous Linear Equations, e.g. (4x + 5y = 17) and (3x + 2y = 4)

Explain how linear simultaneous equations with two variables ("unknowns") differ from single linear equations with two variables. Explain that a single linear equations have multiple, and indeed in...
HB
Answered by Henry B. • Maths tutor
5079 Views

Express (7+ √5)/(3+√5) in the form a + b √5, where a and b are integers.

(7+ √5)/(3+√5)Here, the denominator is not rational - (numbers like 2 and 3 are rational). A number with an irrational denominator isn't incorrect, it just isn't in the simplest form it can be in.To rational...
OG
19896 Views

A psychologist interviewed Zina and Amanda 5 months after witnessing a car crash to see if they could remember the same level of detail about the incident. Explain one ethical issue the psychologist must consider before interviewing Zina and Amanda.

The psychologist must consider Zina and Amanda's psychological wellbeing after witnessing the incident. Witnessing a car crash is a stressful ordeal; by recalling details of the incident Zina and Amanda coul...
HS
Answered by Hannah S. • Psychology tutor
3453 Views

f (x) = (x^2 + 4)(x^2 + 8x + 25). Find the roots of f (x) = 0

firstly, x 2 + 4 = 0 x 2 = -4 x = 2i x = -2iSecondly, x 2 + 8x + 25 = 0 using the quadratic formulae: x = (-b +- sqrt(b 2 - 4ac))/2a x = (-8+-sqrt(64-100))/2 x = -8/2 +- sqrt(-36)/2 x = -4 + 3i x = -4 - 3i
LS
Answered by Laura S. • Maths tutor
6089 Views