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Mathematics 7 Online
OpenStudy (anonymous):

Beth measured the distance from home plate to the pitcher’s mound on a baseball field. She measured the distance to be 69 ft. The actual distance from home plate to the pitcher’s mound is 60.5 ft. What is the percent error in Beth’s measurement? Round to the nearest tenth of a percent, if necessary. A. 8.5% B. 12.3% C. 14% D. 85%

OpenStudy (anonymous):

i think it is c just want to make sure

OpenStudy (anonymous):

thank for the medal

OpenStudy (anonymous):

i got 14.04

OpenStudy (anonymous):

\[\frac{ 69-60.5 }{ 60.5 }\times100\]

OpenStudy (anonymous):

great :)

OpenStudy (anonymous):

that is why I said I think it is c

OpenStudy (anonymous):

so it is c right?

OpenStudy (anonymous):

yup

OpenStudy (anonymous):

can you help with 3 more

OpenStudy (anonymous):

Three baseball fans estimated the top speed of a baseball pitcher’s fastball. The table shows their estimates. The top speed of the pitcher’s fastball is known to be 102 mph. Which statements are true? Name Speed guessed (mph) Lisa 97 Justin 93 Mohammed 105 Choose exactly two answers that are correct. A. Justin’s estimate had a lower percent error than Lisa’s. B. Mohammed’s estimate had the lowest percent error. C. Lisa’s estimate had about a 4.9% error. D. Justin’s estimate had a –9% percent error.

OpenStudy (anonymous):

sure post on a new thread

OpenStudy (anonymous):

what is that

OpenStudy (anonymous):

the new thread i have no clue what that is

OpenStudy (anonymous):

i mean post it in a new question

OpenStudy (anonymous):

do i close and then put a new one or what ok

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