Jane draws a circle and a triangle on each page of her booklet, and near each drawing she writes the number of common points of the circle and the triangle.
How many different numbers can she write
1 have / Viet's / family / Does / four / people ?
2 to do / housework / My mother / always has / a lot of
3 My farents / both / are / home. / at
4 by plane. / go / holidays / on / We / often
5 there is / near his / a big / high school. / stadium
6 I can't / hear you. / very noisy / here so / It is
7 4 house / more than / a day ? / Does your father / play games
8 biggest / is the / HCM city / our coutry. / city of
9 I am / in a school / in HCMcity. / studen / in grade six
10 walk / in 10 minutes. / to school / from / home / often
1 idea. / Walking in the park / seems / a geat / to be
2 two languages / high school . / was at / I studied / when I
3 the TV station / did / the program ? / How long / broadcast
4 They should / put a chair / the table / and the sofa . / between
5 Biology / twice a / We have / week . / lessons
6 Why does Mr . john / about / his son's / worry / study
7 to see / last night . / the movies / I went to /a film
8 of birth / of November ? / Is / his date / the eighth
9 Why does / to be / an engineer ? / Philip / want
10 She never / buys / cabbages / potatoes / at the market
11 Ha live / with his brother / 45 Tran Hung Dao street / at / in Ha Noi .
12 The public library / has / of book . / thousands / in the city
13 seat of / in the front / Would you / the taxi ? / mind siting
14 sciences. / good at / Quan is / very / natural
15 to / the supermarket. / It's / a short walk / from here
16 Are / you / seeing / the dentist ? / scared of
17 do you / part in ? / What / often take / school activities
18 There was / a souvenir shop / the aquarium . / the sxit or / near
19 a friend / I came to / the party / of mine . / with
20 the moment. / measuring her height / the scale at / Hoa is / and weighing on
21 in Asia / drink / often / The people / tea
22 nose. / a long face / straight / and a / He has
23 you again / How / I am / glad / to see
A, if a is real number ,then a is ... Number or ...number.
B, if b is irrational, then b is written in the from of...
Cho ba số a, b, c. Biết trung bình cộng của a+b và b+c; b+c và c+a; c+a và a+b lần lượt là 15, 10 và 11. Vậy (a, b, c) là
(4, 12, 2) (4,8,-12) (12,2,4) (2,6,12)
A set of numbers (a1,a2,a3,.....,a 2015) has 2015 different numbers. The average of this set is 25. The average of the set (a1,a2,a3,.....,a 2015,25) is.........
Giúp mik với nhé
When a particular six-digit number is multiplied by 2, 3, 4, 5 and 6 respectively, each of the
products is still a six-digit number with the same digits as the original number but in a different
order. Find the original number.
Câu 1 The function mm is defined on the real numbers by m(k) = \dfrac{k+2}{k+8}m(k)= k+8 k+2 . What is the value of 10\times m(2)10×m(2)? Answer: Câu 2 The function ff is defined on the real numbers by f(x)= ax-3f(x)=ax−3. What is the value of a if f(3)=9f(3)=9? Answer: Câu 3 The function ff is defined on the real numbers by f(x)= 2x+a-3f(x)=2x+a−3. What is the value of a if f(-5)=11f(−5)=11? Answer: Câu 4 The function ff is defined on the real numbers by f(x) = 2 + x-x^2f(x)=2+x−x 2 . What is the value of f(-3)f(−3)? Answer: Câu 5 Given a real number aa and a function ff is defined on the real numbers by f(x)=-6\times|3x|-4f(x)=−6×∣3x∣−4. Compare: f(a)f(a) f(-a)f(−a) Câu 6 There are ordered pairs (x;y)(x;y) where xx and yy are integers such that \dfrac{5}{x}+\dfrac{y}{4}=\dfrac{1}{8} x 5 + 4 y = 8 1 Câu 7 Given a negative number kk and a function ff is defined on the real numbers by f(x)=\dfrac{6}{13}xf(x)= 13 6 x. Compare: f(k)f(k) f(-k)f(−k) Câu 8 Given a positive number kk and a function ff is defined on the real numbers by f(x)=\dfrac{-3}{4}x+4f(x)= 4 −3 x+4. Compare: f(k)f(k) f(-k)f(−k). Câu 9 A=(1+2+3+\ldots+90) \times(12 \times34-6 \times 68):(\dfrac{1}{3}+\dfrac{1}{4}+\dfrac{1}{5}+\dfrac{1}{6})=A=(1+2+3+…+90)×(12×34−6×68):( 3 1 + 4 1 + 5 1 + 6 1 )= Câu 10 Given that \dfrac{2x+y+z+t}{x}=\dfrac{x+2y+z+t}{y}=\dfrac{x+y+2z+t}{z}=\dfrac{x+y+z+2t}{t} x 2x+y+z+t = y x+2y+z+t = z x+y+2z+t = t x+y+z+2t . The negative value of \dfrac{x+y}{z+t}+\dfrac{y+z}{t+x}+\dfrac{z+t}{x+y}+\dfrac{t+x}{y+z} z+t x+y + t+x y+z + x+y z+t + y+z t+x is
Write algebraic expressions for the calculation:
a / The volume of an object with volume V and specific weight d.
b / area of a parallelogram with a tile floor and high street h.
c / trapezoidal area is a small bottom, big bottom is b and h highway.
