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Mathematics 14 Online
OpenStudy (anonymous):

What is the highest weekly total? the lowest? 55 miles, 15 miles 55 miles, 20 miles 35 miles, 15 miles 40 miles, 20 miles

OpenStudy (anonymous):

OpenStudy (anonymous):

ok you have a box and whisker chart the highest and the lowest are always the ones in the ends so the highest is 55 and the lowest is 15

OpenStudy (anonymous):

ok thanks cemantha :)

OpenStudy (anonymous):

yourwelcome zoe

OpenStudy (anonymous):

What is the median weekly total? 37.5 miles 34 miles 40 miles 35 miles

OpenStudy (anonymous):

ok zoe median means middle . i learned in elementary school order first then find the middle number so you got 15,20,35,40,55 so which one is the median?

OpenStudy (anonymous):

35

OpenStudy (anonymous):

so thers your median

OpenStudy (anonymous):

What percent of runners run less than 40 miles a week? 50% 60% 70% less than 75%

OpenStudy (anonymous):

ok you have 5 number 15,20,35,40,55 how much percent are those 5 numbers? its ok if yu dnt get it jus let me knw? and ill help you.

OpenStudy (anonymous):

i don't get it...

OpenStudy (anonymous):

ok all five number are 100% so each are 20% . look at it as counting change say there was a coint that was 20 cents you would have 5 to make a dollar . so say you take away 2 how much per cent will you have left ?

OpenStudy (anonymous):

ok ima break it down a little more

OpenStudy (anonymous):

100% = all 5 numbers 20% = 1 number so if you take 2 away from 5 that leaves you with 3 whats 3*20?

OpenStudy (anonymous):

60

OpenStudy (anonymous):

ok so now out 60 into a percet and theres your answer

OpenStudy (anonymous):

How many runners run less than 20 miles a week? 5 runners 6 runners 7 runners 8 runners

OpenStudy (anonymous):

and i think it was 5 runners am i right?

OpenStudy (anonymous):

one sec let me check

OpenStudy (anonymous):

yes yur correct =) yaee .

OpenStudy (anonymous):

Which group of animals appears to have more than twice as many endangered species as mammals? birds fish mammals amphibians

OpenStudy (anonymous):

OpenStudy (anonymous):

tke a look at the chart look at all the columns and tell me which one looks doubled the mammals

OpenStudy (anonymous):

i would said mammals

OpenStudy (anonymous):

no lol look at the mammals then look at the birds which has more.

OpenStudy (anonymous):

so it is birds?

OpenStudy (anonymous):

thnk about it and tell me if it seems correct?

OpenStudy (anonymous):

WAIT!! it was a fish

OpenStudy (anonymous):

huh? im confused wat was a fish lol

OpenStudy (anonymous):

zoe the answer is bird lol

OpenStudy (anonymous):

right?

OpenStudy (anonymous):

so were does fish come from lol

OpenStudy (anonymous):

oh sorry lol

OpenStudy (anonymous):

Does one group actually have twice as many endangered species as mammals? (1 point) yes no i said it was yes right?

OpenStudy (anonymous):

its ok . i thought it was funny thought how yu said WAIT! and actually its no bc 57 plus 57 equals 114 and neither specie has 114

OpenStudy (anonymous):

haha

OpenStudy (anonymous):

i think it was yes?

OpenStudy (anonymous):

no . n ill explain why . ok look at all the species and on the numbers theres mammals that are around 57 theres birds that are 75 and theres fish that are around 67 if you double all those answers for the mammal yur gonna get 114 for the birds your gonna get 154 and for the fish yur gonna get 134 and neither of those are doubled so the answer is no

OpenStudy (anonymous):

oh i see

OpenStudy (anonymous):

What gives the impression that one group has twice as many endangered species as mammals? (1 point) the intervals used in the horizontal scale vary the intervals used in the vertical scale vary the break in the vertical axis the break in the horizontal axis

OpenStudy (anonymous):

i said it was the intervals used in the horizontal scale vary...am i right?

OpenStudy (anonymous):

yes zoe yur right .

OpenStudy (anonymous):

Find the sample space for spinning the two spinners shown. (1 point) RB, RW, RR, BB, BW, BR, GB, GW, GR RB, RW, RR, BB, BW, BR, GB, GW, GR, YB, YW, YR RB, RW, RR, RY, BB, BW, BR, BY, GB, GW, GY, GR, YB, YW, YR, YY RB, RW, RR, BB, BW, BR, GB, GW, GR, YB, YW, YR, YY

OpenStudy (anonymous):

OpenStudy (anonymous):

I think: RB, RW, RR, BB, BW, BR, GB, GW, GR, YB, YW, YR, YY is it right?

OpenStudy (anonymous):

the second one because ok ima explain when you see a quation like his you always look very carfully . ok here there are 3 circles right . ok n the first one has 4 pieces n the second one had 3 pieces wen lloking at sumthing like this yu multiply the pieces so its gonna b 3*4 n tht leaves yu with 12 n ten yu see which one has 12 and that the one that says RB, RW, RR, BB, BW, BR, GB, GW, GR, YB, YW, YR the second one B.

OpenStudy (anonymous):

Find the theoretical probability of spinning red on both. (1 point) 1/16 1/6 2/7 1/12

OpenStudy (anonymous):

2/7 because thers 7 pieves and 2 reds

OpenStudy (anonymous):

thanks

OpenStudy (anonymous):

Yur welcome zoe

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