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fiasKO [112]
3 years ago
14

Plz help. I need number 6 and 7

Mathematics
1 answer:
Cerrena [4.2K]3 years ago
8 0
80 possible 2 digit passwords
5040 possible 4 digit PIN's with no repeats

can't see 7 to answer pls tell
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The polynomial in standard form that represents the perimeter of the quadrilateral 
Naddik [55]

Answer:

3(4x-1)

Step-by-step explanation:

I hope this is correct and helpful

6 0
2 years ago
José’s mother is trying to decide whether or not she should buy a 12-ounce package of coffee on sale for $7.50. She knows that s
Leya [2.2K]
She should chose the $9 because it is cheaper ;)
8 0
3 years ago
Table A, B, C, Or D???<br> I’ll give brainlest
Aleks04 [339]

Answer:

i want to say C, im sorry if its wrong but im pretty sure its the right one

Step-by-step explanation:

6 0
2 years ago
A wine maker has 2 wine barrels labeled A and B. There is more wine in barrel A than in barrel B. The wine maker wants the 2 bar
Rudiy27

Answer:

Step-by-step explanation:

Gonna take this nice and slow.  First, at the end it says together both barrels have 48 pints when equal, which means added together they have 96.  This stays even as we  pout from one to the other.  So A+B = 96.  Keep that in mind.  Also I hope you're good with your systems of equations.

One step at a time.  We start with A and B

First, he doubles what is in B, which means he takes that much out of A.

A turns to A-B and B turns to 2B, hopefully you understand that.

Second A is doubled, which means that much is taken out of B.

A-B turns to 2(A-B) or 2A - 2B and 2B turns to 2B - (A - B) or 3B - A

Third and finally B is doubled again

2A - 2B turns to 2A - 2B - (3B - A) or 3A - 5B and 3B - A turns to 2(3B - A) or 6B - 2A

Now we have our system.

A + B = 96

3A - 5B = 6B - 2A or to make it a little nicer 5A = 11B

Let me know if you need help witht he system solving, but you wind up with

A = 66

B = 30

Again, let me know if you don't understand some part.

7 0
3 years ago
Read 2 more answers
How do I solve 1/2z=9 1/4?
Nastasia [14]

Answer:

z = 9/2

Step-by-step explanation:

1/2z = 9 1/4?

z = 9/2

Explanation:

Simplify

9 x 1/4 → 9/4

Multiply 2 to both sides to cancel out the 2

1z = 9/4

Note: 1z is just z

6 0
3 years ago
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