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Vanyuwa [196]
3 years ago
5

A drawer contains 3 white balls and 6 black balls. Two balls are drawn out of the box at random. What is the probability that th

ey both are white?
Mathematics
1 answer:
Rudik [331]3 years ago
6 0
You have a 2/9 chance of it being white. It is how many of that color or number over the total, so you have a 2/9 chance of it being white.
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Combine the like terms to create an equivalent expression:<br><br> 2r+1+(−4r)+7
dybincka [34]

Answer:

the answer is -2r+8

3 0
3 years ago
If 4 gal of premium unleaded gasoline costs $15.04, how much would it cost to completely fill a tank whose capacity is 9-gal?
Sveta_85 [38]

Answer:

$33.84 cents

Step-by-step explanation:

Given the following question:

4 gallons = 15.04
1 gallon = ?

How much for 9 gallons?

To find the answer we have to find how much one-gallon costs since we already know how much it costs for 4 gallons of this unleaded gasoline.

15.04\div4
15.04\div4=3.76
=3.76

One gallon of this gasoline costs $3.76 now we need to find how much it costs for 9 gallons.

3.76\times9=33.84
=33.84

For nine gallons of gasoline it will cost you "$33.84 cents."

Hope this helps.

4 0
2 years ago
I have no idea what i’m doing
cestrela7 [59]

Answer:

f(x)=x^2+1 -> f(a+1)=(a+1)^2+1=a^2+2a+1+1=a^2+2a+2

Step-by-step explanation:

7 0
3 years ago
Can i get some help i suck at this lol
blsea [12.9K]
That would be 8, its in the center so forget 9 or 7.
6 0
3 years ago
What is not equivalent to 36/72
STALIN [3.7K]
Any fraction that does not equal 1/2.
6 0
3 years ago
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