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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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What value of y would make {(-2, 18), (3, y), (6, 6), (-18, 2), (4, 9)} an inverse variation?​
love history [14]

Answer:

The value of "y" the would make the ordered pairs an inverse variation is;

y = 12

Step-by-step explanation:

The given ordered pairs are;

{(-2, 18), (3, y), (6, 6), (-18, 2), (4, 9)}

When a pair of variables, "x" and "y", vary inversely to one another, as the value of one variable increases, the value of the other variable decreases

Mathematically, we have;

y ∝ 1/x

The above relation can be represented as an equation as follows;

y = k/x

Where;

k = The constant of proportionality

Therefore, k = y·x

From the given ordered, we have;

k =  -2 × 18 = -36

k = 6 × 6 = 36

k = -18 × 2 = -36

k = 4 × 9 = 36

Therefore, the value of "k" is made constant as follows;

The inverse variation is y = k/(x × (-1)ⁿ)

Where;

n = The number of the term

Therefore, y = 36/(3 × (-1)²) = 12

y = 12

The given ordered pairs can therefore be written as follows;

{(-2, 18), (3, 12), (6, 6), (-18, 2), (4, 9)}.

7 0
2 years ago
What is the value of the expression All of 3.9 multiplied by 10 to the power 5 over all of 1.3 multiplied by 10 to the power 2?
Dima020 [189]
So first write out the expression:
\frac{3.9*10^{5}}{1.3*10^{2}}
take two 10's from the top to cancel with the two 10's on the bottom.
3.9/1.3 is 3.
The answer is 3*10^3
4 0
3 years ago
The number of endangered species in a jungle decreased from 75 to 30 in one year.
lys-0071 [83]
The percent of decrease would be 60%
7 0
2 years ago
The sum of 3 numbers is -44.84.one of these numbers is 24.6.the other 2 numbers are equal to each number.what is the value of ea
Bad White [126]
X+24.6=-44.84
Subtract 24.6 /2

X= -34.72
5 0
3 years ago
Use the distributive property to simplify this expression: negative 2 (3 x + x minus 5). 1. Using order of operations, combine l
sashaice [31]

Answer:

8x-10

Step-by-step explanation:

2x3x=6x, 2 x x=2x, 2x-5=-10 so 6x+2x-10= 8x-10

5 0
2 years ago
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