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Delvig [45]
3 years ago
7

What's the additive identity of 9

Mathematics
1 answer:
Zigmanuir [339]3 years ago
5 0
9? Thats what it is,
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-4b - 5 + 2b =10. Can I have some help solving this.
kramer

Answer:

-7.5

Step-by-step explanation:

Simplify

-4b - 5 + 2b = 10

-2b - 5 = 10

-2b = 15

b = -7.5

5 0
4 years ago
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The contrapositive of p q is:
Kay [80]
Some symbols are missing. I'm assuming you meant to put in a horseshoe symbol like so p \supset q

If so, then the contrapositive of that would be \sim q \supset \ \sim p which is the final answer. 

The tilde sign \sim means "not" so writing \sim q means "not q" which is the complete opposite of q. 
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4 years ago
A store has clearance items that have been marked down by 25%. They are having a sale, advertising an additional 40% off clearan
Hatshy [7]

Answer: He would pay 45% of the original price.

Step-by-step explanation:

Since we have given that

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Amount of additional off is given by

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After additional off, the amount becomes,

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Hence, he would pay 45% of the original price.

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3 years ago
3 more than a number x
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X+3 is the answer.zz
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