Fermin051505 Fermin051505
  • 01-08-2016
  • Mathematics
contestada

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

Respuesta :

dalendrk
dalendrk dalendrk
  • 01-08-2016
___ : 7 = 12 : 21

21 : 7 = 3
12 : 3 = 4

_4_ : 7 = 12 : 21

check
4 · 3 = 12
7 · 3 = 21
Answer Link

Otras preguntas

PLEASE HELP Will the answer be A) or D) there is confusion. I think it is D but it might be A because the figure has 1 hexagon, 2 pentagons, 2 squares and in th
In a race the second place finisher crossed the finish line 1 1/3 minutes after the winner. The third place finisher was one and one 1 3/4 minutes behind the se
factorise 2y³+y²-2y-1please tell me fast​
4. Simplifyyyyyyyyyyyyyyuyyyyyyyyyyyy
London bought 5 bottles of water a day for 18 days. On the 19th day, London bought 8 bottles of water. Write an expression that matches the sentence above.
Using the same ratio as before, determine the missing information in the table below.
what is the irony of text lebanon's drinking water.​
If X has the charge +1 and has electrons 10 what is its place in the periodic table
jihubgyvfctdxszasxdcfvgbhnjmnihubgyvftcdrxsezxdcfvgbhnbgyvftcdrxsdcfv
A circuit consists of a capacitor of 2 F and a resistor of 1000 Ω. An alternating current e.m.f of 12 V and a frequency 50 Hz is applied. Find; (i) the current