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Vinil7 [7]
3 years ago
10

Helppppppppppppppp plz

Mathematics
1 answer:
expeople1 [14]3 years ago
5 0

Answer:

B

Step-by-step explanation:

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A bag contains 10 marbles: 3 are green, 2 are red, and 5 are blue. Jose chooses a marble at random, and without putting it back,
Ludmilka [50]
We know that
g=3
r=2
b=5
total marbies=g+r+b------> 3+2+5----> 10

a) <span>probability that the first marble is red
P(red)=r/total marbies------------> 2/10-----> 1/5

b) </span><span>probability that the second marble is blue
in this case total marbles-------> 9
P(blue)=b/total marbles----------> 5/9

c) </span><span>the probability that the first marble is red and the second is blue
(1/5)*(5/9)=1/9

the answer is
1/9</span>
6 0
3 years ago
Find the area of this circle. Use 3 for T.<br> A = 7r2<br> 4 in<br> [?] in2<br> Enter<br> Help!!!!!
Allushta [10]
Sorry I don’t know the answer I’ve been looking for the similar one wish I could help
6 0
3 years ago
What is the reference angle for 192º?​
Aleonysh [2.5K]

Answer:

78º

Step-by-step explanation:

<u>Note</u> : -

In mathematics, the reference angle is defined as the acute angle and it is measuring less than 90 degrees. It is always the smallest angle, and it makes the terminal side of an angle with the

x - axis.

<u>S</u><u>t</u><u>e</u><u>p</u><u> </u><u>1</u> : -

Find where 192º lies in which quadrant.

192º lies in 3rd quadrant ( between

180º and 270º )

<u>S</u><u>t</u><u>e</u><u>p</u><u> </u><u>2</u> : -

Subtract : 270 - 192

270 - 192 = 78º

( Since, 192º is greater than 180º, is subtracted from 270º )

<u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u> : -

78º is the reference angle for 192º.

3 0
2 years ago
LCM of 189024 <br>please give me answer my question​
ololo11 [35]

Answer:

360

Step-by-step explanation:

We need to find the LCM of 18,90 and 24.

The prime factorization of 18 = 2 × 3 × 3

The prime factorization of 90 = 2 × 5×3×3

The prime factorization of 24 = 2 × 3×2×2

LCM is least common multiple.

LCM = 2 x 2 x 2 x 3 x 3 x 5

= 360

Hence, the LCM of 18,90 and 24 is 360.

7 0
2 years ago
Anybody good in geometry and know how to do this? Free Brainliest!!!
Anna007 [38]

Answer:

A. -6, 4

Step-by-step explanation:

If the triangle is reflected across the y-axis, it's going to be in quadrant 2.

A is the only value located in quadrant 2. Therefore, -6, 4 will be point C's relfection.

5 0
2 years ago
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