joannamrema17
joannamrema17 joannamrema17
  • 22-06-2020
  • Mathematics
contestada

A) Divide 160km in the ratio 10:9:13



B) divide 66 in the ratio 6:15:1

Respuesta :

mhanifa
mhanifa mhanifa
  • 22-06-2020

Answer:

A) 50 km : 45 km : 65 km

B) 18:45:3

Step-by-step explanation:

A) 160 km in the ratio 10:9:13

  • 10x+9x+13x= 160
  • 32x= 160
  • x= 5

10:9:3 ⇔ 50 km : 45 km : 65 km

B) 66 in the ratio 6:15:1

  • 6x+15x+x= 66
  • 22x=66
  • x=3

6:15:1  ⇔ 18:45:3

Answer Link
katyr1454 katyr1454
  • 22-06-2020
Answers

A=
10:9:13
B=
6:15:1
Answer Link

Otras preguntas

Consider the following equations. f(x)= x^3 +3x^2 -2x+1 g(x)= x^2-5x+4 Approximate the solution to the equation f(x) = g(x) using three iterations of success
A triangle has angle measurements of 83°, 42°, and 55°. what kind of triangle is it?​
What is the cartoonist’s purpose in this editorial cartoon? Study the editorial cartoon by John Branch. A. To warn people about me coming bad weather. B. To ma
is online school in allowed in the Bahamas​
A personality test reveals that jacqueline is antagonistic, ruthless, and suspicious, while melissa is acquiescent, soft-hearted, and trusting. it appears that
I need help please.
find the future value of this loan. $8079 at 9.1% for 7 months (round to the nearest cent if needed)
help me please easy***
Which of the following statements about closure are false?
Factor each trinomial. Then match the polynomial (term) on the left with its factored form (definition) on the right. 1. x2 – 4x – 12 2. x2 + 4x – 12 3. x2