Asked by Paper

John and David start at the same spot. John goes 4 miles north and 3 miles west. David goes 1 mile south and some unknown amount of miles east. If they are 13 miles apart from each other then how many miles east did David go?

Answer: 9
(Don’t put miles or anything after just put the number)
Answered by mathhelper
Did you make a sketch ??
let the unknown easterly distance of David be x

I see a total vertical displacement of 5 and a total horizontal displacement
of x+3
Since the hypotenuse is 13, I see the 5-12-13 right-angled triangle, so
x+3 = 12 ----> x = 9

If you did not recognize the standard 5-12-13 triangle, then:
(x+3)^2 + 5^2 = 13^2
(x+3)^2 = 169-25 = 144
x+3 = √144 = 12
x = 9
Answered by silly kid
yea we need a sketch to
Answered by wow
does any one have the answers to the 2nd question
Answered by wow
Homework:January Portfolio 2022 Check
Question 2, Instructor-created question
HW Score: 33.33%, 1 of 3 points
Points: 0 of 1

Question content area
Part 1
Answer the following as an expression with​ "w" meaning the boxes of wood and​ "n" meaning
the boxes of nails.
What does David​ need?
  
enter your response here
What does Lora​ need?
  
enter your response here
What does Valerie​ need?
  
enter your response here
How many more boxes of wood and how many more boxes of nails does David need than​ Valerie? Answer as an expression
  
enter your response here
Answered by Mom needs help
This doesnt make any since to me at all....question number 2 has no numbers at all?
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