burtmaya
burtmaya burtmaya
  • 02-11-2021
  • Mathematics
contestada

Solve the proportion 9/12 = 15/a

Respuesta :

ItsDingy
ItsDingy ItsDingy
  • 02-11-2021

Answer:

a=20

Step-by-step explanation:

You cross multiply: 9a=180

a=20.

Answer Link

Otras preguntas

help plz!! i am having a hard time
Use the two patterns below add 5 5 10 15 add 3 3 6 9
An item has a listed price of $70. If the sales tax rate is 4%, how much is the sales tax (in dollars) ?
Is the battery sends a current of 10 A through a circuit for one hour, how many coulombs will flow through the circuit?
A bank is considering two securities: a 30-year treasury bond yielding 7 percent and a 30-year municipal bond yielding 6 percent. a. if the bank's tax rate is 3
How would I solve this equation?
Which of the following is an example of dramatic irony? A. The characters say the exact opposite of what they really mean. B. A knight swears loyalt
Cards are drawn with replacement from a standard deck until a king is drawn. does this constitute a binomial​ experiment? why or why​ not? choose the correct an
What does the principal do when Ramona throws up in the classroom? A. makes Ramona lie down B. calls the janitor C. stays in his office D. call
Maria has added 2 liters of pure water to 8 liters of a 48% sugar syrup. What is the concentration of the resulting solution?