snsndjxjsn snsndjxjsn
  • 03-04-2018
  • Mathematics
contestada

Which of the following equations of ratios make a true proportion?

Which of the following equations of ratios make a true proportion class=

Respuesta :

MS2001 MS2001
  • 03-04-2018
The first choice is correct. We can check it by cross multiplication.      15x18=270 also 3x90=270.
Answer Link
cheyenne131
cheyenne131 cheyenne131
  • 03-04-2018
A) [tex] \frac{15}{90} = \frac{3}{18} [/tex]
15 ÷ 3 = 5
90 ÷ 18 = 5

B) [tex] \frac{17}{19} = \frac{51}{93} [/tex]
51 ÷ 17 = 3
93 ÷ 19 ≈ 4.9

C) None of these choices are correct

D) [tex] \frac{20}{100} = \frac{5}{40} [/tex]
20 ÷ 5 = 4
100 ÷ 40 = 2.5

E) [tex] \frac{120}{100} = \frac{5}{6} [/tex]
120 ÷ 5 = 24
100 ÷ 6 ≈ 16.7


Having done the math, the answer is A.
Answer Link

Otras preguntas

Find the area of the triangle 8.5cm 11.32cm. Here are the options: a. 48 cm2 b. 48.11 cm2 c. 96.22 cm2 d. 32.07 cm2
How do you say-her favourite colour is pink- in Spanish.???
What is the base word of the word relationship
Why were manuscripts so expensive in the early fifteenth century?
in what role in medieval society might women have had the most chance to be powerful?
in what role in medieval society might women have had the most chance to be powerful?
Why is capitalism called a free - market economy?
What is the square root of 120? And is ur rational or irrational?
All of the following developments helped make the cattle business profitable except: A. barbed-wire fences B. new railroads and refrigerated cars. C. growing
frodo ran 2 3/5 miles in 7/12 of an hour. how many miles xan frodo run in one hourm