Class A and Class B have the same number of students.
-The number of students in class A who took part in a mathematics competition is \(\frac{1}{3}\) of the studentsin Class B who did not take part.
-the number of students in class B who took part in a mathematics competition is \(\frac{1}{5}\)of the students in class A who đi not take part.
Find the ratio of the number of students in class A who did not take part in this competition to the number of students in class B who did not take part.
Split the number 678 into three parts. If the first part and the second part are in the ratio of 5:7; the second part and the third part are in the ratio of 3:11
then the value of the second part is
a survey was conducted on 100 students in the beginning of the year. the findings are as follows: 56 students liked mathematics, 38 students liked english, 52 students liked science, 6 student liked both mathematics and english, 4 students liked both english and science, 12 students liked all the three subjects. how many students liked both mathematics and science, how many student liked only mathematics
There are 50 oranges in the bag, 1st person bought 1/5 of total oranges. 2nd person bought 5 oranges. 3rd person have bought 1/3 of rest oranges. Because of the sour oranges, the 1st person brought to the salesman. Then 4th person bought 1/5 rest oranges. Finally, how many oranges did the salesman have after sold to 4 people?
Fill in the blank with the suitable number (Note: write decimal number with "the dot" between number part and fraction part. Example: 0.5)
Question 1:
Given .
Calculate: .
Question 2:
Given two triangles and .
If and then .
Question 3:
Suppose that is directly proportional to with the scaling factor is .
If and then k=.
Question 4:
In this figure, find the value of ?
Answer: .
(write your answer by decimal in simplest form)
Question 5:
Find the value of ?
Answer: .
(write your answer by decimal in simplest form)
Question 6:
Given two triangles and .
If and then the perimeter of is .
Question 7:
In this figure, .
Question 8:
The value of .
(write your answer by decimal in simplest form)
Question 9:
The perimeter of a triangle is and the sides of its are in a ratio of .
Then the sides's length of the triangle are .
(write your answer from least to greatest and used ";")
Question 10:
Fill the suitable number in the "?".
Answer: .
giúp mik vs nha please
A work is a building a wall of length 6 meters and hight 4 meters. There are 2 windowns on the wall. Both windowns are of the same size 1,5 meters hight and 1 meter wide. Each square meter of the wall needs 17 bricks. How many bricks are need in total?
đây là bài toán tiếng anh nhoa!!
các bn giải bằng tiếng việt giúp mk cũng đc(tiếng anh thì càng tốt)
thanks
HELP.....
Ex1: The scores of four students in a mathematics test are 79, 83, 92 and 80. Linda's score is 6 more than the average score of the four students and her score. What is the Linda's score in the mathematics test?
Thanks
Split the number 62 into 3 parts.
If 3 parts are in the ratio of 1/2:1/3:1/5 then the least part is equal to
giup dum like cho
Split the number 62 into 3 parts.
If 3 parts are in the ratio of 1/2:1/3:1/5 then the least part is equal to
giup dum like cho