1. Find x, given that:
\(\left(x+\frac{1}{3}\right)+\left(x+\frac{3}{40}\right)+\left(x+\frac{3}{88}\right)=\frac{31}{22}\)
2. The arithmatic average of three numbers is equal to 13.5 . The average of the first number and second number is 13, and the average of the second number and third number is 13.85 . Find the three numbers.
3. Compare A and B, given that:
A = 2.015 x 201.7
B = 20.16 x 20.16
The average of three numbers is 32. The second number is two times the first number and the third number is six units more than the second number. The first number is ?
The average of three numbers is 32. The second number is two times the first number and the third number is six units more than the second number. The first number is ?
Trung bình cộng của 3 số là 32. Số thứ hai bằng 2 lần số thứ nhất ; số thứ ba hơn số thứ hai 6 đơn vị. Tìm số thứ nhất?
The sum of the first and the second number is 5.52. The sum of the second and the third number is 12.25. The sum of the third and the first number is 11.63. Find the first number.
The sum of the first and the second number is 5.52. The sum of the second and the third number is 12.25. The sum of the third and the first number is 11.63. Find the first number.
Answer: The first number is
the sum of two numbers is equal to 77 if the first number is mutiplied by 8 and the second number by 6, the two product is equal. the larger number of these numbers is ...
The sum of the first and the second number is 5.52. The sum of the second and the third number is 12.25. The sum of the third and the first number is 11.63. Find the first number.
Bài này là trong VIOLYMPIC TOÁN TIẾNG ANH VÒNG CẤP TRƯỜNG ĐÓ! (Các bạn nhớ trình bày cách giải cụ thể theo cách cấp 1 nhé!)
The sum of two numbers is equal to 77. If the first number is multiplied by 8 and the second by 6, the two products are equal. The larger of two number is...
Câu 9:
The average mass of a group of children is 47kg. If of the number of children are girls and their average mass is 39kg. Find the average mass of the boys.
Answer: The average mass of the boys is kg
Câu 10:
A 6-digit number begins with the digit 8. The number is divisible by 9 and all digits of the number are different. What is the possible smallest value of this number?
Answer:
Fill in the blank with the correct number
Question 1:
Complete the number pattern:
0,3,8,15,24,,48.
Question 2:
Find the area of the shaded region if A and B are squares of sides 5cm and 8cm respectively.
Answer: The area of the shaded region is .
(write your answer by decimal in simplest form)
Question 3:
If , compute =.
Question 4:
The side of each square grid is 2cm. Find the area of the shaded region.
Answer: The area of the shaded region is .
Question 5:
If , find the value of m in .
Answer: m=.
Question 6:
How many whole numbers between 1 and 100 are not divisible by 3 or 11?
Answer: numbers.
Question 7:
Evaluate:
=.
(round to four decimal places)
Question 8:
Evaluate:
=.
(write your answer by decimal in simplest form)
Question 9:
Find the whole number A knowing that A is 9 units greater than the average of A, 38, 45 and 67.
Answer: A=.
Question 10:
Find the whole number C knowing that C is 14 units smaller than the average of C, 68, 72, 99.
Answer: C=.
