zf153623
zf153623 zf153623
  • 02-09-2021
  • Mathematics
contestada

Find a is XZ=19,Xy=a+4 and YZ=a-7.

Find a is XZ19Xya4 and YZa7 class=

Respuesta :

lyuck lyuck
  • 02-09-2021

Answer:

a = 11

Step-by-step explanation:

XY + YZ = XZ = 19

(a + 4) + (a - 7) = 19

2a - 3 = 19

2a = 22

a = 11

Answer Link

Otras preguntas

What is an equivalent fraction for 20/12
The ocular and objective lenses are found at the top and bottom of what part of a microscope?
Who was Malinche and what other name was she called?
is a piece of cloth a point, line, or plane?
Write equation in function form 2x+2y=8 and 6x-3y=12
What is the value of 1-18+25 if you subtract then add? If you add then subtract?Why is order of operations necessary?
the student council president wants to find out the opinion of the students on the issue of school lunch options. The president sends out a survey to a random
a square photo-display board is made up of 60 rows of 60 photos each.The area of each square photo is 4 square inches.How long is each side of the display board
8. A pattern of being late for work or for appointments is usuallyA. a habit learned early, which is nearly impossible to break.B. directly related to one's per
Tasha believes that she can rewrite the diffrence 120 - 36 as a product of the GCF of the two numbers and another diffrence.Is she correct?