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Jlenok [28]
2 years ago
6

PLS PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS

Mathematics
1 answer:
hram777 [196]2 years ago
8 0

Answer:

-2, 9

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
PLEASE HELP! IT’S 40 POINTS! What is the area of this octagon?
Zinaida [17]

Answer:

B) 59 cm²

Step-by-step explanation:

4x8=32

2x3=6

3x7=21

32+6+21=59 cm²

3 0
3 years ago
A number,Y,is 2 less than half of a number X
zhenek [66]

Answer: y = 0.5x - 2

Step-by-step explanation: 0.5x = half of a number X

8 0
3 years ago
1 and 2 are supplements, 3 and 4 supplements and 1 =4. prove 2=3<br>​
Ne4ueva [31]

Step-by-step explanation:

Supplementary angles are angles that have the sum of their angles to be 180°. Hence if <1 and <2 are supplements, then <1+<2 = 180°.... 1

Similarly if <3 and <4 are supplements, then <3+<4 = 180° ....... 2

Equating the left hand side of both equations since they are both equal to 180°, we will have;

<1+<2 = <3+<4 ....... 3

From the question we are told that <1 = <4, substituting this condition into equation 3;

From 3; <1+<2 = <3+<4

<4+<2 = <3+<4 (since <1 = <4)

subtract <4 from both sides

<4+<2 -<4= <3+<4 -<4

<2 = <3 (Proved!)

5 0
3 years ago
Read 2 more answers
Escribe una ecuación que represente la tabla.<br><br> por favor respondan ^^
jarptica [38.1K]
Un ecuacion es y = 12 + x.
6 0
2 years ago
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