Mathematics ninth grade (1) 2.4 quadratic function application (2) answer! Urgent! Thank you!
The answer to the eighth question is 80 yuan.. 1. The ejected water is parabolic. Suppose the parabolic equation y = ax ^ 2 BX C B coordinate (0,1.5) C coordinate is (2,3.5) because C is the highest point - B/
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- 1. Help to see a math problem 8. Any of the nine numbers from 1 to 9 form a two digit number (the number of one digit and ten digit can be repeated) ① Probability of odd product of one digit and ten digit_____ ; ② The probability that the sum of one digit and ten digit is even______ ; ③ The probability that the product of one digit and ten digit is even_____ ; The third question was deleted and repeated
- 2. Please use the equation of one variable to solve it It has been carrying 260 tons of cargo and 1000 cubic meters of volume. Now it is carrying both goods a and B. It is known that the volume of goods a is 8 cubic meters per ton and that of goods B is 2 cubic meters per ton. In order to make full use of the carrying capacity and volume of the ship, how many tons of goods a and B should be loaded respectively?
- 3. Sixth grade mathematics midterm paper
- 4. Linear equation of one variable We all know the story of Kong Rong letting pears. In fact, it is said that Kong Rong not only let pears, but also divided pears. It is said that Kong Rong once divided pears for children. The first child divided half of the distance and half of the pears for the second child, and half of the remaining pears for the second child. How many pears are there? The first child divided half of the distance and half of the pear = the first child divided half of the pear and half of the pear
- 5. Solution equation: 0.75: x = 5 / 8
- 6. 8-4.5 + 5.5 = 10 to solve the equation
- 7. One eighth x = five seventh solution
- 8. 4x-x = 27 to solve the equation
- 9. How to solve the equation 27 + x = 4x Don't mean ⊙ ﹏ ⊙ B sweat ~ just wrong! 30 minutes!
- 10. 2x-1 and 7-6 out of 10 = 0.9
- 11. 1÷(1/10+111+112+…… 119) the integral part of the quotient is () A,0 B,1 C,2 Please answer the thinking process or formula sorry 1÷(1/10+1/11+1/12+…… The integral part of the quotient is () A,0 B,1 C,2
- 12. Mathematics diary of grade 6 of primary school (Volume 2)
- 13. (13 * 0.58-4087 + 0.42 * 13-5.13) * 4.25
- 14. ( )0( ) * ( )6 --------------------------- ( )( )5( ) ( )3( ) ------------- ( )6( )( ) ( )( )( ) * 3 8 ----------------- ( )( )76 11 1( ) ----------------- ()()()()() ( )( )5 * 4 ( ) -------------- 3 ( )( ) () () () () --------------- 1 2 ( )( )( )
- 15. In a cage, there are 12 chickens and 38 rabbits. How many chickens and rabbits are there?
- 16. Organizing and reviewing the teaching plan for unit 6 of Mathematics Grade 6 of PEP Help me to find the teaching plan for unit 6 of the sixth volume of the sixth grade of the people's education press
- 17. The sum of three consecutive even numbers is m, the largest is? The smallest is?
- 18. New education press second grade mathematics volume 2 unit 1 test paper main
- 19. There are three red, white and black glass balls in the box. How many balls can you feel from the box to ensure that you can touch the same color balls?
- 20. Unit summary of the fourth chapter in the first volume of junior high school mathematics (PEP)