awesomejason4
awesomejason4 awesomejason4
  • 04-06-2020
  • Mathematics
contestada

Find the missing number___:7 = 12:21
A. 3
B. 4
C 14
D 12​

Respuesta :

wrexn
wrexn wrexn
  • 04-06-2020

Answer:

B. 4 would be your answer.

Step-by-step explanation:

7 x 3 = 21

4 x 3 = 12

:)

Answer Link
PollyP52 PollyP52
  • 05-06-2020

Answer:

B. 4.

Step-by-step explanation:

Let the number be x then

x/7 = 12/21

Crossmultiply:

x = 7*12 / 21

x =  12 / 3 = 4.

Answer Link

Otras preguntas

What is the reason there is a belt of asteroids between Mars and Jupiter?
Why was the Soviet Union able to prevent Germany from advancing toward Moscow?
the answer. what is the prime factorization of 801
Which of the following must unicellular organisms do to maintain homeostasis? A. Specialize cells to perform specific functions B. Organize cells into tissues
find the domain of the function f(X) = 8/x-6
a person who is 15 years old have a minimum held the rate of
Why is it important to know about the health triangle?
To correctly write the binomial nomenclature for a particular animal, you would use which of the following?
Fill in the blank with the correct negative tu command conjugation of the verb in parentheses. No (estacionar) aqui. estacionar estaciona estacionas estaciones
Best describes Mary antins push and pull factors In immigration