pinklala1994 pinklala1994

12-05-2020
Mathematics

contestada

If 3/x= 4/5, then what is the value of x?
A. 12/5
B. 1/5
C. 15/4
D. 19/5
E.3

Respuesta :

devishri1977 devishri1977

14-05-2020

Answer:

C

Step-by-step explanation:

[tex]\frac{3}{x}=\frac{4}{5}\\[/tex]

Cross multiply,

3*5 = 4*x

15 = 4x

4x = 15 {Divide both sides by 4}

[tex]x=\frac{15}{4}\\\\[/tex]

Answer Link

Otras preguntas

If x and y are real numbers such that x > 1 and y < −1, then which of the following inequalities must be true? A. x/y> 1 B. |s|^2 > |y| C. x/3− 5 &g

If x and y are real numbers such that x > 1 and y < −1, then which of the following inequalities must be true? A. x/y> 1 B. |s|^2 > |y| C. x/3− 5 &g

For all nonzero real numbers p, t, x, and y such that x/y = 3p/2t, which of the following expressions is equivalent to t ? F. y /2 G. 3px /2y H. 6py /x J. 3py /

If 3^x = 54, then which of the following must be true? A. 1 < x < 2 B. 2 < x < 3 C. 3 < x < 4 D. 4 < x < 5 E. 5 < x

If an impulse is a fraction of a second and 30 impulses equal 1/2 second, how many seconds is represented by 90 impulses?

If the price of a computer was decreased from $1,000 to $750, by what percent was the price decreased?

at what age is a toddlers posture most upright

What is the value of x when 2x + 3 = 3x – 4 ? A. –7 B. -1/5 C. 1 E. 7

I don't understand how to get 50000 ohms, please can someone help? I would have just left my answer at 25,000 ohms!

In the equation x^2 + mx + n = 0, m and n are integers. The only possible value for x is –3. What is the value of m ? A. 3 B. –3 C. 6 D. –6 E. 9