Banz3107 Banz3107
  • 11-02-2020
  • Mathematics
contestada

At the bank of a river, by measurement, a = 9 ft., b = 15 ft., c = 12 ft., and d = 7 ft.How long is x?

Respuesta :

fahadisahadam
fahadisahadam fahadisahadam
  • 12-02-2020

Answer: x is 20

Step-by-step explanation:

This is ratio

a : c = b : x and d : unknown

a : c = 9 : 12 = 3 : 4 which is 9/12

b : x = 15 : x which is 15 / x

So the proportion will be :

3/4 = 15/x

So Cross multiplying

3x = 90

Divide both side by 3

x = 90/3

x = 20

Answer Link

Otras preguntas

The distance from home plate to second base is about 127.3 ft.  1.  How would you find the distance between the bases.2.  Estimate the distance between the base
The distance from home plate to second base is about 127.3 ft.  1.  How would you find the distance between the bases.2.  Estimate the distance between the base
What is 689 divided by 53
Can water and pebbles form a solution?
rewrite the expression without using grouping symbols. -6(8+12)
The distance from home plate to second base is about 127.3 ft.  1.  How would you find the distance between the bases.2.  Estimate the distance between the base
what times what equal 16?
in rabbits, black fur is dominant over white fur.  Show the cross of a heterozygous black male with a homozygous white female.
Can water and pebbles form a solution?
do you know 3 prime numbers that equal 32