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chubhunter [2.5K]
3 years ago
12

Your school assigns a 7-digit student id number to every student using the numbers 0 through 9. what is the probability of obtai

ning your student id number by randomly generating seven digits?
Mathematics
2 answers:
gavmur [86]3 years ago
6 0
You would have to say how much students are in the school
arsen [322]3 years ago
4 0
1/10,000,000
i feel like this is the answer
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Is 2a * b = a^2 + b^2 true or false
alisha [4.7K]

First step of the equation is to simplify the equation 2a • b = a2 + b2 into 2 ab = a2 + b2. This cannot be factored anymore although. when we try to substitute a with 5 and b with 2, the answer in the right hand side of the equation is -9. hence the answer to this problem is false. we can try another values to verify.


5 0
3 years ago
The school that Darryl goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 9 ad
hram777 [196]

Answer:

look at picture

Step-by-step explanation:

x: adult tickets

y: student tickets

8 0
3 years ago
PLEASE HELP ASAP!!!!<br> Help soon please
meriva

Answer:

ok down below is the answer

Step-by-step explanation:

5+5+5+5+5+5+5 is 5x7

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others are none :)

3 0
2 years ago
Someone please help me
exis [7]
V = 1/3 l h w

V = 1/3 (12)(15)(9)
V= = 540

answer 540 m^3
8 0
3 years ago
Explain why x squared -8x+20 is always positive
Tpy6a [65]

Answer:

to square a number you multiply the number by itself.

a positive number times a positive number is a positive number.

a negative number times a negative number is a negative number.

and if you are multiplying 2 numbers with the same sign they will always be a positive number.

3 0
2 years ago
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