Algebra
(a+b)2=...
1) a2+b2
2) a2+2ab+b2
3) 2a+2ab+2b
4)a2+ab+b2
2) a2+2ab+b2
The sum of the angles of a triangle is always equal...
180°
g= ??? (not 10m/s2)
9.81m/s2
Always - 100%
? - 90%
Usually.
Был ли мятеж Пугачёва в произведении "Капитанская дочка" основан на реальных событиях?
Да
√196×0.81×0.36×0.0025 = ???
(1,5 minutes)
0.378
Explanation: √196×0.81×0.36×0.0025 = 14×0.9×0.6×0.05 = 0.378
Pythagorean theorem
a2+b2=c2
Great Serbian physicist, engineer, inventor in the field of electrical and radio engineering. He created a number of devices operating on alternating current, as well as an electric motor, which gave impetus to the second stage of the industrial revolution.
Nikola Tesla
I love ...
I like ... a healthy breakfast.
a) to cook, to eat
b) cooking, to eat
c) to cook, eating
d) cooking, eating
b) cooking, to eat
I love cooking (general).
I like to eat a healthy breakfast(specific preference).
Малиновое варенье - согласованное словосочетание.
Сделайте из него словосочетания управления.
Варенье из малины.
using the discriminant, how many real roots are there in the equation if D>0, D=0 and D<0?
if D>0, there are 2 roots
if D=0, there is 1 root
if D<0, there is no root
formula for the area of a triangle if all sides are known
S=√p(p-a)(p-b)(p-c)
p - 1/2 of perimeter(P)
How newton discovered the gravity?
The scientist was inspired to think about gravity by an apple that fell from a tree to the ground while he was walking in the garden.
If I ... you, I would want to be a doctor.
a) was
b) am
c) were
d) are
c) were
Second Conditional.
Он хотел казаться больным, но учитель не поверил.
Найдите сказуемые в предложении.
Хотел казаться больным; не поверил - сказуемые.
formulas of discriminant and Vieta's theorem
1)D=b2-4ac
2) vista's theorem:
x1+x2= -b/c
x1 × x2 = c/a
What are the ways to prove triangles are equal? (name at least 1)
1) if two sides and the angle between them are respectively equal to two sides and the angle between them of another triangle
2) If a side and two adjacent angles of one triangle are respectively equal to a side and two adjacent angles of another triangle
3) If three sides of one triangle are respectively equal to three sides of another
Name examples of conductors and non-conductors of electricity
Conductors: metals(silver, copper,aluminum), soil, water
Non-conductors: plastic, rubber, oils
Nick said: "I will buy a ticket to Egypt today"
Convert it to indirect speech.
Nick said that he would buy a ticket to Egypt the next day.
Внешний вид Хлестакова в "Ревизор" (Н.В. Гоголь)
Хлестаков, молодой человек лет двадцати трех, тоненький, худенький; несколько приглуповат и, как говорят, без царя в голове, – один из тех людей, которых в канцеляриях называют пустейшими.
if y=x3, what will be the line on the graph? (draw on a paper)
cubic parabola
how to prove that two triangles are similar? (~)
Side-Angle-Side Similarity (SAS)
Side-Side-Side Similarity (SSS)
Angle-Angle Similarity (AA)
Show how the electric field works
Rub your hair with a pen and put it to paper
The apples ... ... ... ... by him.
This is passive future perfect continuous. Insert words.
The apples will have been eaten by him.
Газеты доставляют по утрам.
Какой это вид односоставных предложений?
Неопределённо-личное. Глагол "доставляют" выражен в 3 лице, тобишь в предложение можно поставить ОНИ. (ОНИ) Газеты доставляют по утрам.