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miya214
16.12.2020 •
Mathematics
In which situation do the quantities combine to make 0?
A. Emily ran 3 miles on saturday and walked 3 Miles on sunday.
B. Beverly bought a chair for 350$ and sold it 3 years later for $350.
C. Josh ran 2 laps counterclockwise around a track and then 2 laps clockwise around the track.
D. Trey deposited $150 into his savings account on friday and withdrew $100 the following week.
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Ответ:
B. Beverly bought a chair for 350$ and sold it 3 years later for $350.
Step-by-step explanation:
If we want to have an end result of zero, we must have two opposite numbers. Let's analyze each of the given options:
A: Emily ran 3 miles on Saturday and walked 3 Miles on Sunday.
Then the total distance traveled is 3mi + 3mi = 6mi.
B: Beverly bought a chair for 350$ and sold it 3 years later for $350.
When she bought the chair, she lost $350, this is represented with:
-$350
And then she recovered the $350, if we add these we get:
-$350 + $350 = $0
The end result is 0, as we wanted.
C: Josh ran 2 laps counterclockwise around a track and then 2 laps clockwise around the track.
Again, the total distance traveled will be 2 laps + 2 laps = 4 laps, the direction does not really matter.
D: Trey deposited $150 into his savings account on friday and withdrew $100 the following week.
The deposit is represented with $150
The withdrew is represented with -$100
Adding those we get:
$150 + (-$100) = $50
This is not zero.
Then the only correct option is B
Ответ:
3
Step-by-step explanation:
Heres a couple more
3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679821480865132823066470938446095505822317253594081284811174502841027019385211055596446229489549303819644288109756659334461284756482337867831652712019091456485669234603486104543266482133936072602491412737245870066063155881748815209209628292540917153643678925903600113305305488204665213841469519415116094330572703657595919530921861173819326117931051185480744623799627495673518857527248912279381830119491298336733624406566430860213949463952247371907021798609437027705392171762931767523846748184676694051320005681271452635608277857713427577896091736371787214684409012249534301465495853710507922796892589235420199561121290219608640344181598136297747713099605187072113499999983729780499510597317328160963185950244594553469083026425223082533446850352619311881710100031378387528865875332083814206171776691473035982534904287554687311595628638823537875937519577818577805321712268066130019278766111959092164201989380952572010654858632788659361533818279682303019520353018529689957736225994138912497217752834791315155748572424541506959508295331168617278558890750983817546374649393192550604009277016711390098488240128583616035637076601047101819429555961989467678374494482553797747268471040475346462080466842590694912933136770289891521047521620569660240580381501935112533824300355876402474964732639141992726042699227967823547816360093417216412199245863150302861829745557067498385054945885869269956909272107975093029553211653449872027559602364806654991198818347977535663698074265425278625518184175746728909777727938000816470600161452491921732172147723501414419735685481613611573525521334757418494684385233239073941433345477624168625189835694855620992192221842725502542568876717904946016534668049886272327917860857843838279679766814541009538837863609506800642251252051173929848960841284886269456042419652850222106611863067442786220391949450471237137869609563643719172874677646575739624138908658326459958133904780275900994657640789512694683983525957098258226205224894077267194782684826014769909026401363944374