pawandhillonn07 pawandhillonn07

03-05-2020
Mathematics

contestada

Ram is twice as old as his sister. Four years hence the product of their ages will be 160. Find their present ages in euation

Respuesta :

Аноним Аноним

03-05-2020

Answer:

sister= 6, ram = 12

Step-by-step explanation:

let, current age of sister= x

current age of ram= 2x

4 years hence,

(x+4)(2x+4)= 160

2x^2 + 12x - 144 = 0...solve for x

Answer Link

Otras preguntas

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??

Find Domain of the functionsquare root of (x-8)/x(x-9)

Prove that (x^5)-(x^2)+2x +3=0 has at least one real root. Prove that x=cosx has at least one solution.

Which equation has the same y-intercept as y=4x-3?a. y-3=x b. y=8x+3 c. 3-y=4x d. y=-3+8xWhich of the following is the equation of the line

Data are drawn from a symmetric and bell shaped distribution with a mean of 120 and a standard deviation of 5. There are 900 observations in the data set. What

Which equation has the same y-intercept as y=4x-3?a. y-3=x b. y=8x+3 c. 3-y=4x d. y=-3+8xWhich of the following is the equation of the line

what is the answer for (20,8),(9,16) ?

Find Domain of the functionsquare root of (x-8)/x(x-9)

How is it possible for Mercury to have frozen ice ?

Historians of china have traditionally dated the beginning of Chinese civilization to the founding of the what??