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Leviafan [203]
3 years ago
11

A jar has five red marbles and 10 blue ones if you were to pick a random marble without replacing it and then select another wha

t is the fractional probability of getting to red
Mathematics
1 answer:
Andrej [43]3 years ago
4 0
I think the correct answer is 10/15.
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Help me with these questions
Gwar [14]
#3 is 4:5:8
#4 is 5:3:10

I think those are the answers, hope that helped.
6 0
3 years ago
Read 2 more answers
Find the equation of the parable in general form by completing the square. Then, state its vertex
lora16 [44]
The parabola will show the vertex in the format: y-k = (x-h)^2, where the vertex point
lies at (h, k).
so \: for \:  {x}^{2}  + 2x - y + 3 = 0
let's first put it in "y =" standard format:
y =  {x}^{2}  + 2x + 3
Since we cannot get a perfect square out of this, we complete the square: a=1, b=2, c=3
(b/2)^2 = (2/2)^2 = 1, so
y =  {(x +1)}^{2} ...\: is \: y =  {x}^{2}  + 2x + 1
So there's +2 leftover, since 3-1=2; so:
y =  {(x + 1)}^{2}  + 2
Now we'll subtract the 2 from both sides to show our vertex:
y - 2 =  {(x + 1)}^{2}
where our vertex (h, k) is at (-1, 2)
6 0
3 years ago
SOMEONE PLEASE HELP ME OUT THIS IS DUE In 20 MINUTES (PICTURE)
notka56 [123]
9ths answer. 113.112 ~ 113.1
8 0
3 years ago
What is the answer to this math problem?
Tems11 [23]

Answer: 471.24

Step-by-step explanation:

V=πr2h=π·52·6≈471.2389

4 0
3 years ago
Can someone plz tell me the answer and how to do this math problem?
olasank [31]
Start by taking away 22.36 from each side so that you are left with 4.73c = 42.57
And then divide each side by 4.73 so you will get c = 9
5 0
3 years ago
Read 2 more answers
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