bri22792 bri22792
  • 12-02-2021
  • Mathematics
contestada

help please? not sure about this

help please not sure about this class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 14-02-2021

9514 1404 393

Answer:

  72 kph

Step-by-step explanation:

The first sentence tells you the speeds are proportional. So, you can write the proportion ...

  kph/mph = 120/75 = x/45

Multiplying by 45 gives x:

  x = (45)(120/75) = 72

72 kph is 45 mph.

Answer Link

Otras preguntas

What is the mean of 87, 93, 86, 90, and 84?
An airplane travels 3,260 kilometers in 4 hours. What is the airplane’s average speed?
What is the mean of 87, 93, 86, 90, and 84?
which factor made the most difference in how agriculture affected the economies of the colonies?
What are the 3 features of a typical seigneurie
By the mid-1700s, the largest city in the colonies was (A) New York (B) Boston (C) Philadelphia (D) Charleston (E) Wilmington, Delaware
After what happened on April 19 can war between the colonies and Great Britain be avoided?
Which of the following can be considered fossils? a. a 1 billion year-old rock. b. a 1 billion year-old piece of amber. c. a 1 billion year-old piece of amber w
Determine whether the sequence coverage or diverges. If it converges, give the limit. 48, 8, 4/3, 2/9, ...
which factor made the most difference in how agriculture affected the economies of the colonies?