Toes266
Toes266 Toes266
  • 13-09-2021
  • Mathematics
contestada

CD bisects AB at D. If AD = 4x - 1 and DB = 9x - 21, find x.

Respuesta :

Аноним Аноним
  • 13-09-2021

[tex]\\ \ast\sf\hookrightarrow AD=DB[/tex]

[tex]\\ \ast\sf\hookrightarrow 4x-1=9x-21[/tex]

[tex]\\ \ast\sf\hookrightarrow 9x-4x=-1+21[/tex]

[tex]\\ \ast\sf\hookrightarrow 5x=20[/tex]

[tex]\\ \ast\sf\hookrightarrow x=\dfrac{20}{5}[/tex]

[tex]\\ \ast\sf\hookrightarrow x=4[/tex]

Ver imagen Аноним
Answer Link

Otras preguntas

What is the equation of a line with a slope of -1 and a y-interceptor -5
When is it important to use formal rather than casual language in a speech?
Which of the following is a trinomial?
PLEASE The three sides of a triangle measure 6, 15, and n. What is the range of possible lengths of n? 6 < n < 15 6 < n < 21 9 < n < 21 9 <
I really need help ASAP !!
If f(x) =1/9 x-2, what is f-1(x)?
PLEASE HELP!!! WILL MARK BRAINLIEST If you lean a ladder against a wall, the length of the ladder should be square root of (x)^2+(4x)^2ft to be considered safe.
what is the solution to the inequality 3t+9>15​
What is the best treatment to give a possible stroke patient who is not in the hospital?
Explain what happens when a person exhales. What forces air out of the lungs? ResetHelp When you exhale, you reverse the process of inhalation. The chest cavity