the sum of two decimal number is 20,1. If the first number is increased by 5 times and the second number is unchange then new sum will equal 70,5.The second number is....
The sum of two number is 14,4 . If the first number is increased by 5 times and the second number is increased by 2 times then the new sum will equal 35,1. Find the first number.
if delete the last digit of a 3-digit number then it will be decreased by 93 units. Find the original number. Answer the original number is
Calculate and write the result by decimal number: 1/2*3+1/3*4+1/4*5+...+1/9*10
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=.
In 348.256, which digit is in the tens place?
In 348.256, which digit is in the tenths place?
I have two digits in the decimal part. I am greater than 75 but less than 80. What least possible number am I
Write as a decimal number in the simplest form
Fill in the missing number to complete the pattern
2.6, 2.7, 2.8,...... , 3.0
Compare: 0.3 ...... 0.300
Compare: 0.20 ...... 0.02
When shifting the decimal point of a decimal number A to the left by 1 digit , A is decreasedby 11.106. Find A
The sum of two numbers is 10.54 and their difference is 1.94. The greater number is
(Write your answer as a decimal in the simplest form)