Given 3x = 5Y, 4x = 5Z, find the ratio of X and Z. find X: Y: Z Speed before 8:30! 1

x:z=5:4
x:Y:Z=x：（3x/5）：（4x/5）=5：3：4

RELATED INFORMATIONS

1. Given that the definition field of function FX is (0, positive infinity) and f (XY) = f (x) + F (y), f (1 / 2) = 1, find f (2) Forget to ask f (4) F8 ()
2. It is known that the definition field of function FX is (0, positive infinity) and FX is an increasing function on the definition field, f (XY) = f (x) + F (y), and f (2) = 1, If f (3) = 1 and f (a) is greater than f (A-1) + 2, the value range of a is obtained
3. If x ^ 2 + y ^ 2 = 1, what is the maximum value of 3x-4y
4. If x ^ 2 + y ^ 2 = 1, what is the maximum value of 3x-4y
5. What is the maximum value of x ^ 2 + y ^ 2 = 1,3x-4y?
6. A math problem (don't use derivation) Finding the minimum value of X + 1 / (x + 1) (x > 1)
7. A mathematical problem about derivative in Senior High School A rectangle with a circumference of 16 cm rotates around one side to form a cylinder. When the length and width of the rectangle are different, the volume of the rectangle is the largest?
8. derivatives f（x）=x（e^x -1）-1/2 x^2 The derivative is f'（x）=e^x -1+xe^x-x=（e^x-1）（x+1） And what about the derivative with e?
9. It is known that the derivative of quadratic function f (x) = AX2 + BX + C is f '(x), f' (0) & gt; 0. For any real number x, if f (x) ≥ 0, then the minimum value of F (1) f '(0) is () A. 2B. 52C. 3D. 32
10. If an inverted conical container with a bottom radius of R cm and a height of H cm is filled with water at the speed of N cubic centimeter per second, the rate of water surface rising in t second is calculated If the answer is very detailed, I will increase the reward points
11. Solution 1: given that X: Y: z = 3:4:5, and 3x-4y + Z = - 4, find the value of formula x-3y + 5Z. 2 a batch of manuscripts, a copy 30 hours, B copy 20 hours, now from a copy 3 hours later to B copy the rest, ask B how many hours still need to copy (equation solution)
12. A / | a | + | B | / B + C / | C | = 1, then the value of (| ABC | / ABC) ^ 2006 / (BC / | ab | · AC / | BC | · AB / | AC |) is________ .
13. 1. It is known that a, B and C are not equal to each other Find 2a-b-c / (a-b) (B-C) + 2b-c-a / (B-C) (B-A) + 2c-a-b / (C-A) (C-B) =? (/ is a fractional line) 2. It is known that 1 / A + 1 / B + 1 / C is not equal to 0 The solution equation is: x-a-b / C + x-b-c / A + x-c-a / B + 3 It's better to be careful I'm very sorry. I missed it~ x-a-b/c+x-b-c/a+x-c-a/b+3=3
14. If x = (Y-1) / (y + 2), then y is expressed as y by the algebraic expression of X=_______
15. Given a + B = 5, A-B = 3, find the value of the algebraic formula A & sup3; b-2a & sup2; B & sup2; + AB & sup3
16. Given a + B = 23, ab = 2, find the value of the algebraic formula A2B + 2a2b2 + AB2
17. Given a + B = 5, ab = 3, then the value of the algebraic formula a3b-2a2b2 + AB3 is______ ．
18. X minus one part of X is equal to t, and the algebraic expression containing T is used to express X I mean, for example, if x minus one equals T, then x equals t plus one
19. When x is equal to, x + 1 is equal to x minus 1 RT
20. Given x ^ 2-x-1 = 0, find the value of the algebraic formula x ^ 3-x ^ 2-3x + 2008