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

topic sentence about venus
Rachel can make 3 bracelets in an hour. Oliver can make only 2 bracelets in an hour, but he already has 5 completed bracelets. Explain to Rachel how she can use
What did the gulf of tonkin resolution do in relation to the vietnam war?
According to the concept of reincarnation, what would a man hope to return as in the next life? a cow a woman an elephant a ghost
deer meat is known by what name
In which process does a solid change directly into a vapor? (1) condensation (3) deposition (2) sublimation (4) solidification
chemistry is best defined as the study of what
In what ways did the Federal government finally try to help stem the tide of the Great Depression?
Most television stations, radio stations, and newspapers in the United States are owned by
Two candidates ran for class president. The candidate that won received 70% of the 320 total votes. How many votes did the winning candidate receive?