jdmaclachlan jdmaclachlan
  • 24-02-2018
  • Mathematics
contestada

A wire that is 66 metres long has to be cut into two pieces. The ratio of the lengths of two pieces is 7 : 5. How long is each piece?

Respuesta :

Kaikerscupcake
Kaikerscupcake Kaikerscupcake
  • 24-02-2018
Hey there! :D

Add the ratios together. 

7+5= 12

66/12= 5.5

5.5*7= 38.5

5.5*5= 27.5

One piece is 38.5 meters and the other is 27.5 meters. 

I hope this helps!
~kaikers
Answer Link

Otras preguntas

Which set of numbers gives the correct possible values of I for n = 22 0 0 O 0.1 0 0.12 0.1.2.3
Which of the following best explains the comparative anatomy of bird wings and fly wings? a). homologous structures b). analogous structures c). vestigial stru
How did canals and roads help the United States grow?
twice a number when described by 7 gives 45 . find the number​. and also who wants to talk im bored
Use the grouping method to factor 2x3 + 6x2 - 7x- 21. O A. (x - 3)(x + 7) O B. (x+3)(2x2 - 7) C. 2x(x + 3)(x - 7) O D. (x - 3)(2x2 + 7)
If m 101, what is the value of x to the nearest whole number?
X = 3y + 4 pls hurry
m2 -5m - 24 pls answer my questions​
can someone help me with this question?
4.Explain how the percentages of nitrogen, oxygen, and carbon dioxide in the Earth's atmosphere today have changed from the Earth's early atmosphere.