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 one year ago
On a map, the key states that 1 inch equals 10 miles. If you want to calculate how many miles is equivalent to 7 inches, which proportion would you use?
A.the fraction 10 inch over 1 miles equals the fraction 7 inches over z miles
B. the fraction 1 inch over 10 miles equals the fraction z inches over 7 miles
C. the fraction 1 inch over 10 miles equals the fraction 7 inches over z miles
D. the fraction z inch over 10 miles equals the fraction 7 inches over 1 miles
 one year ago
On a map, the key states that 1 inch equals 10 miles. If you want to calculate how many miles is equivalent to 7 inches, which proportion would you use? A.the fraction 10 inch over 1 miles equals the fraction 7 inches over z miles B. the fraction 1 inch over 10 miles equals the fraction z inches over 7 miles C. the fraction 1 inch over 10 miles equals the fraction 7 inches over z miles D. the fraction z inch over 10 miles equals the fraction 7 inches over 1 miles

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katlin95
 one year ago
Best ResponseYou've already chosen the best response.1dw:1364426784027:dw find the mRF if m angle FNR= 38 degrees

katlin95
 one year ago
Best ResponseYou've already chosen the best response.1A. 284 degrees B. 142 degrees C. 38 degrees D. 76 degrees @jim_thompson5910 can u help with these two?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2Similar example: if 1 inch = 50 miles then 3 inches on a map would mean... 1 inch/50 miles = 3 inches/x miles or just 1/50 = 3/x

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2so you can use that to find the actual distance x that 3 inches represents on a map

katlin95
 one year ago
Best ResponseYou've already chosen the best response.1okay for the first one I got B as my answer and the second question I got C

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2why B for the first one?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2you know the distance on the paper map, it's 7 inches it's not z inches

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2z is the unknown distance in real life from point A to point B that the 7 inches represents on the paper map

katlin95
 one year ago
Best ResponseYou've already chosen the best response.1oh haha I ment A sorry!

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2dw:1364427190413:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2i meant to write z miles, not z inches

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2but hopefully you get the idea

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2the scale is this dw:1364427313903:dw

katlin95
 one year ago
Best ResponseYou've already chosen the best response.1oh first on is C huh?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2put the two side by side to get dw:1364427383477:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.21 inch/10 miles = 7 inches/z miles or just 1/10 = 7/z

katlin95
 one year ago
Best ResponseYou've already chosen the best response.1alright how about second one?

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2we want arc RF, so we need to find central angle FDR

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2to find the central angle, you use the inscribed angle theorem

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2this central angle here dw:1364427601352:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.2is equal to 2 times any inscribed angle which cuts off the same arc

katlin95
 one year ago
Best ResponseYou've already chosen the best response.1alright so my answer would be D
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