1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Darina [25.2K]
2 years ago
9

Tại Trường Tiểu học ABC, số học sinh của Khối lớp 1, Khối lớp 2, Khối lớp 3, Khối lớp 4 và Khối lớp 5 chiếm tỉ lệ lần lượt là 28

%; 22%; 20%; 16% và 14% tổng số học sinh toàn trường. Trong mỗi Khối, tỉ lệ học sinh giỏi năm nay của Khối lớp 1 là 45%, Khối lớp 2 là 50%, Khối lớp 3 là 55%, Khối lớp 4 là 65% và Khối lớp 5 là 75%. Xét trong Khối lớp 1, tỉ lệ học sinh giỏi của Khối lớp 1 là bao nhiêu?
Mathematics
1 answer:
-Dominant- [34]2 years ago
6 0

Answer:

hello bro

Step-by-step explanation:

can you translate it on english so i can help you

You might be interested in
Select all irrational numbers.
const2013 [10]
The answers are A and D.
The numbers that you cannot simplify without having a radical in the answer are irrational numbers. 

√(4/16) = 1/4 or -1/4, rational number
√(9/16) = 3/4 or -3/4, rational number
√(9/4) = 3/2 or -3/2, rational number

√(3/16) = √(3)/4, NOT a rational number, cannot remove radical
√(3/4) = √(3)/2, NOT a rational number, cannot remove radical 
5 0
3 years ago
Read 2 more answers
One bag of rice that weighs 5.25 pounds will have enough rice if a recipe calls for 88 ounces of rice. (1 pound = 16 ounces)
krek1111 [17]
False, there isn't enough rice in 5.25 pounds.
4 0
3 years ago
-9 x 1/3 equals ___________________________
Leno4ka [110]
-9 x 1/3
= -9/3
= -3
......................................
8 0
3 years ago
Which of the following best describes the solution to the system of equations below?
OverLord2011 [107]

Answer: OPTION A

Step-by-step explanation:

The equation of the line in slope-intercept form is:

y=mx+b

Where m is the slope and b the y-intercept.

Solve for y from each equation:

\left \{ {{5y=-4x+7} \atop {10y=-8x+14}} \right.\\\\\left \{ {{y=\frac{-4}{5}x+\frac{7}{5}} \atop {y=\frac{-8}{10}x+\frac{14}{10}}} \right.\\\\\left \{ {{y=\frac{-4}{5}x+\frac{7}{5}} \atop {y=\frac{-4}{5}x+\frac{7}{5}}} \right.

As you can see the slope and the y-intercept of each equation are equal, this means that both are the exact same line. Therefore, you can conclude that the system has infinitely many solutions.

3 0
3 years ago
There are two options for borrowing $5,000 from a bank: Bank A = 3% simple interest for 5 years Bank B = 2.5% simple interest fo
Andrew [12]
BANK A:
5,000*0.03*5=750
BANK B:
5,000*0.025*6=750

They are the same
6 0
2 years ago
Read 2 more answers
Other questions:
  • A student earned a grade of 80% on a math test that had 20 problems . How many did he get right?
    7·2 answers
  • 150 decreased by 60%
    10·1 answer
  • The table shows the low temperatures in Alto for 5 days.What is the average low tempreature
    5·1 answer
  • I need help with this word problem:
    11·1 answer
  • What is the greatest common factor of 36 and 27
    8·1 answer
  • What is 8^3 simplyfied
    15·2 answers
  • What is the slope of y=-1/3x+4the slope of y=-1/3x+4
    7·1 answer
  • a bag contains 4 red marbles and 1 black amrble. two people, A and B, take turns drawing a marble from the bag without replaceme
    10·1 answer
  • Xander is planning on building a house. The blueprints show a house that is 3 inches wide and 2 inches tall. The blueprints use
    10·2 answers
  • What is the largest integer that is below square root of 7?
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!