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Yakvenalex [24]
3 years ago
7

A jar contains 2 pink, 6 red, and 4 blue marbles. If you pick one marble without looking, what is the probability that the marbl

e you pick will be red or blue?
Mathematics
1 answer:
Makovka662 [10]3 years ago
3 0

Answer:

5/6

Step-by-step explanation:

2+6+4=12

6+4=10

10/12=5/6

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I need to know how I got number 27 because I can’t remember what I did
krok68 [10]
B=75, not 27
Sorry, I had to use a napkin because I was too lazy to get a paper....let me know if u need me to explain anything

4 0
3 years ago
A differential equation that is a function of y only
Pachacha [2.7K]
ANSWER
<span>will produce a slope field with rows of parallel tangents 
</span>
EXPLANATION
A differential equation that is a function of y only does not depend on x, i.e. of the form dy/dx = f(y), where f is a function.

Therefore, the slope field will be independent of the horizontal position. This means that there will be rows where the slopes will be of the same rise/run ratio. When two slopes are the same, they are said to be parallel.
7 1
3 years ago
Multiplicative inverse thx!
wel
The multiplicative inverse of -1/3 is -3.
8 0
3 years ago
A large pool has a faucet to allow water to enter the pool and a drain to allow water to leave the pool.
Radda [10]

Answer:

it is 100 because it is bigger

Step-by-step explanation:

because it is bigger

4 0
3 years ago
A rectangular area is to be fenced in with 300 feet of chicken wire. find the maximum area that can be enclosed.
GarryVolchara [31]
Let the lengths of the sides of the rectangle be x and y. Then A(Area) = xy and 2(x+y)=300. You can use substitution to make one equation that gives A in terms of either x or y instead of both.

2(x+y) = 300
x+y = 150
y = 150-x

A=x(150-x) <--(substitution)

The resulting equation is a quadratic equation that is concave down, so it has an absolute maximum. The x value of this maximum is going to be halfway between the zeroes of the function. The zeroes of the function can be found by setting A equal to 0:
0=x(150-x)
x=0, 150

So halfway between the zeroes is 75. Plug this into the quadratic equation to find the maximum area.

A=75(150-75)
A=75*75
A=5625

So the maximum area that can be enclosed is 5625 square feet.
6 0
3 years ago
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