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barxatty [35]
3 years ago
6

(2 x 10^4) + (7 X 10^4) =

Mathematics
2 answers:
kolbaska11 [484]3 years ago
8 0

Answer:

90,000

Step-by-step explanation:

10^4=10,000.

2*10,000=20,000

7*10,000=70,000

20,000+70,000=90,000

Lisa [10]3 years ago
5 0
Quick what does ^ mean I can solve that but I need to know what ^ means.
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Sixty percent of the students at a certain school wear neither a ring nor a necklace. Twenty percent wear a ring and 30 percent
Reptile [31]

Answer:

0.4

Step-by-step explanation:

Given

60 % wear neither ring nor a necklace

20 % wear a ring

30 % wear necklace

This question can be Solved by using Venn diagram

If one person is choosen randomly  among the given student the probability that this student is wearing a ring or necklace is

P\left ( wear \ ring\ or \ necklace )+P\left ( neither\ ring\ or\ necklace)=1

P\left ( wear \ ring\ or\ necklace )=1-0.6=0.4

The sum of probabilty is equal to 1 because it completes the set

Therefore the required probabilty is 0.4

7 0
3 years ago
After two six-sided dice are rolled, what is the probability that the dice faces add up to either a 4 or 6?
Marizza181 [45]

Answer:

0.222

Step-by-step explanation:

out of 36 outcomes you have 8 possible outcomes for a '4' or '6':

1,5

5,1

3,3

2,4

4,2

2,2

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3,1

8/36 = 2/9 = .2 repeating

6 0
2 years ago
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The answer is:  

B) 8      

3 0
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Angel entered a hotel elevator on the 7th floor. She rode down 2 floors, up 5 floors, down 6 floors, up 7 floors and down 2 floo
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Step-by-step explanation:

stay safe,

Sarda

8 0
3 years ago
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4x+3(x-2)=-20 need help someone
mel-nik [20]
Distribute
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3 years ago
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