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algol13
3 years ago
8

If Nelson randomly picks a tree for each location , the probability of him planting one oak tree , one cedar tree , and one elm

tree is ?
Mathematics
2 answers:
Dmitriy789 [7]3 years ago
4 0
The probability is 1/3
quester [9]3 years ago
4 0

Answer:

hi :)

Step-by-step explanation:

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Punctele O, A, B, C sunt coliniare în această ordine, iar segmentele OA, AB și BC au lungimile exprimate în cm, prin numere natu
julia-pushkina [17]

Răspuns:

a) OC = 18cm

b) MN = 6cm

Explicație pas cu pas:

Găsiți diagrama la întrebarea atașată.

a) Din diagramă se poate observa că OC = OA + AB + AC

OC = 2n + 2n + 2 + 2n + 4

OC = 6n + 6

Următorul este să obțineți valoarea lui n:

OM = OA + AM

Să obținem segmentul AM;

Deoarece M este segmentul mijlociu al AC, atunci;

AM = AC / 2

AM = AB + BC / 2

AM = 2n + 2 + 2n + 4/2

AM = 4n + 6/2

AM = 2n + 3

Din moment ce OM = OA + AM

OM = 2n + 2n + 3

OM = 4n + 3

Dat fiind OM = 11

11 = 4n + 3

4n = 11-3

4n = 8

n = 2

Următorul pas este să calculați OC;

OC = 6n + 6

OC = 6 (2) + 6

OC = 18

Prin urmare, lungimea segmentului OC este de 18 cm

b) Această întrebare ne cere să găsim segmentul de linie MN.

Din diagramă, MN = AM - AN

Deoarece AM = 2n + 3 din întrebarea 1;

AM = 2 (2) +3

AM = 4 + 3

AM = 7

Acum, să obținem AN:

Din diagramă, AN = ON-OA și ON = OB / 2

AN = OB / 2 - OA

AN = (2n + 2n + 2) / 2 - 2n

AN = 4n + 2/2 - 2n

AN = 2n + 1 - 2n

AN = 2n-2n + 1

AN = 1

De la MN = AM - AN

MN = 7 - 1

MN = 6cm

Prin urmare, distanța dintre N, mijlocul segmentului OB și punctul M este de 6cm

6 0
3 years ago
Csi geometry transformations answers
Vedmedyk [2.9K]
Yeah what is the question
4 0
3 years ago
Can someone explain to me what rate of change is and how you figure it out.
Cloud [144]

ROC is often used when speaking about momentum, and it can generally be expressed as a ratio between a change in one variable relative to a corresponding change in another; graphically, the rate of change is represented by the slope of a line.


5 0
3 years ago
Can someone pleaseeee help and if you’re correct i’ll give brainliest
Alex73 [517]

Answer:i think is the fourth one or the fifth one.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Plz help me well mark brainliest!!
vampirchik [111]

Answer : B! As you can see, you can go to the x axis, and go to number 4. Then go down to -2, and you will end up in point B!

5 0
2 years ago
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