Question

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.

Answer 1

ok how do i do this one

Answer 2

\[\frac{ 102-97 }{ 97 }\times100=?\]\[\frac{ 102-93 }{ 93 }\times100\]\[\frac{ 105-102 }{ 102 }\times100=?\] solve it @zahvie2651

Answer 3

ok please dont delete

Answer 4

ok
1. 5.15
2. 9.67
3. 2.94

Answer 5

hey can someone help the person that was left

Answer 6

Heyy!!
You got it rite so far
@zahvie2651

Answer 7

i think it may be B and C

Answer 8

i thought so but i cant figure it out

Answer 9

Yes, it is !

Answer 10

b and c

Answer 11

Hehe =) Looks like you got it

Answer 12

Yup !
@zahvie2651

Answer 13

i have 3 more

Answer 14

can you help

Answer 15

Julie counted 25 players on a visiting soccer team. The actual number of players on the visiting soccer team was 27.

What is the percent error in Julie’s measurement? If necessary, round to the nearest percent.

%

Answer 16

Well, we would have \(\dfrac{25}{27}\) Do you know what to do?

Answer 17

yes and i got -7.40

Answer 18

ik the answer but am i allowed to give it or can i tell her what to do

Answer 19

you can tell me what to do

Answer 20

or tell me if i am right

Answer 21

well divide 25 from 27 then divide ur answer by 27 to get the precent then just move the decimal over 1

Answer 22

my bad the first divide was supposed to be subtract

Answer 23

huh?

Answer 24

0h ok

Answer 25

it not negative ill tell u that

Answer 26

and i got 7.40

Answer 27

And that's correct =)

Answer 28

u look like ur right but i think u may need to round it to the nearest hole

Answer 29

ok

Answer 30

need anymore help

Answer 31

7

Answer 32

yes

Answer 33

2 more

Answer 34

ok

Answer 35

Before beginning a fundraiser, Lindsey estimated that the fundraiser would earn $500. She sold 114 raffle tickets at $5 each for the fundraiser, actually earning 5*114=$570 for the fundraiser.

What was the percent error in Lindsey’s estimate? Round to the nearest tenth of a percent, if necessary.

A.
12.3%

B.
14%

C.
70%

D.
77.2%

Answer 36

how do they figure this out

Answer 37

ok what is the first thing to do

Answer 38

subtract 500 from 570 and then divide ur answer by 570

Answer 39

my bad divide by 500

Answer 40

14

Answer 41

yep

Answer 42

so the answer is b

Answer 43

yea

Answer 44

Akira estimated that a tree was 40 years old. The true age of the tree was 47 years old.

Which expression can be used to calculate the percent error in Akira’s estimate?

Answer 45

last one right

Answer 46

yes

Answer 47

ok

Answer 48

so subtract 40 from 47 then divide the answer by 40

Answer 49

this one is prett easy because all you have to do is find out how you will make the problem

Answer 50

yea

Answer 51

brb ok

Answer 52

ok

Answer 53

ok had to do some favors

Answer 54

np...so is dat it

Answer 55

btw wa grade u in i in 6th

Answer 56

yes

Answer 57

wait what

Answer 58

how would you figure it out

Answer 59

im wonderin cuz that was kinda easy and srry i meant 7th

Answer 60

7th

Answer 61

cool well if u ever need help just tag me just put @srgntb0$$

Answer 62

i wol give you a medal but i cant because it says i chosen best response

Answer 63

do u do flvs

Answer 64

you ask a question and i will give you a medal there

Answer 65

that ok...and i go to flvs

Answer 66

i dont know what that is

Answer 67

no it fine im not on here for the score im here to help

Answer 68

oh

Answer 69

but what is flvs

Answer 70

flvs is a virtual school in florida...florida virtual school

Answer 71

oh no i go to k12

Answer 72

o that a lil like it but i heard that people dont like it cuz it way harder...from wa i heard im not sayin it hard but from wa people said

Answer 73

do u like star wars

Answer 74

well i think they are saying that because some people cant keep up with the tasks and the work and or they just play video games and dont do it

Answer 75

and idk

Answer 76

i am not a star wars kinda person but my nephew is

Answer 77

XD im where im supposed to b in my classes and i play video games all the time...wa u mean u dont know...i asked if u like star wars

Answer 78

wat ur nephew how do u have nephew

Answer 79

well kinda like star wars

Answer 80

how do u have a nephew...and who ur favorite charecter

Answer 81

what are you talking about i live in a house full of people

Answer 82

mine is jango fett an awesome bounty hunter and the gene holder for all the clones

Answer 83

ya but aint ur nephew ur sister sone or brothers son

Answer 84

cool

Answer 85

my bad son

Answer 86

sisters

Answer 87

so u have a nephew at the age 12 or 13...wow that kinda cool im the oldest so that will nvr happen for me unless my mom and dad adopt a kid that older then me

Answer 88

neices,newphews,cousins and a whole lot more

Answer 89

XD cool i dont got a sis and dont got a neice or nephew...all i got are cousins and lil bros

Answer 90

how many

Answer 91

2 lil bros and idk how many cousins i got 5 2nd cousins and idk about the rest i got alot

Answer 92

well i have to do my work before my report card comes

Answer 93

i got a whole lot more i got 15-14 idk

Answer 94

XD i got more then 5 but i cant count the rest and ok cya

Answer 95

what does xd mean

Answer 96

people around here say it alot

Answer 97

XD die laughing the X for the eyes and D for the mouth