nfarraj
nfarraj nfarraj
  • 22-08-2021
  • Mathematics
contestada

please help with the screenshot

please help with the screenshot class=

Respuesta :

darianakun darianakun
  • 22-08-2021

Answer:

7.5

Step-by-step explanation:

Triangles: RST and RPQ are similar so

Triangle RST has 12.5 and x

Triangle RPQ has 20 (comes from 12.5+7.5) and x+4.5

Therefore you divide

x/x+4.5 = 12.5/20

20x= 12.5x+56.25

7.5x=56.25

x=7.5

Answer Link

Otras preguntas

Find the value of x if AB || CD
How to solve number 13
X + Y XY + heat What happens as the temperature is increased? [X] remains constant. [X] increases. [X] decreases.
what do parallel circuits and series circuits have in common
What tools did the Greeks limit themselves to in their formal geometric construction? ruler, straightedge, compass, or tracing paper?
Which of the following is true about the amount of energy that is stored in plant cells during photosynthesis
Please helppp. A scientist who does not ensure that all research subjects are treated humanely is displaying a characteristic of an ethnic scientist True or
suggest one reason why cans are not made entirely from tin
Two different chemotherapy regimens can be used for the treatment of breast cancer. The treatment with doxorubicin is known to show a remission rate 40% of the
A straight rod consists of a 1.2-cm-long piece of aluminum attached to a 2.0-cm-long piece of steel. part a by how much will the length of this rod change if it