1)A bag contains seven red marbles and seven
1 answer:
Answer: 7/26
Step-by-step explanation:
7 red and 7 blue = 14 total
7/14 or 1/2 chance of getting red first
7/13 chance of getting red the second time
7/13*1/2 = 7/26
7/26 chance
sorry if it’s wrong but I hope it helps
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Answer: 3.852
Step-by-step explanation:give me brianlest
Answer:
x=6,y= 7
Step-by-step explanation:
-6x +7y= 13
-6x+8y=20
-y = -7
divide through by -1
y =7
sub y= 7 in equation 1
then x= 6
Answer:
A C and E
Step-by-step explanation:
0.000045 = <span>00.00045 /10
=</span><span> 000.0045 / 100
</span>= 0000.045 / 1 000
= 00000.45 / 10 000
<span>= 000004.5 / 100 000 = 4.5 * 10^(-5)
That is in</span><span> scientific notation
I hope that helps
</span>
Answer:
0
Step-by-step explanation:
2x-x+7 = x+3+4
2x-x-x = -7+3+4
2x-2x = -4+4
0 = 0