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Oxana [17]
3 years ago
5

The difference of the square of a number and 18 is equal to 3 times that number. Find

Mathematics
1 answer:
ololo11 [35]3 years ago
7 0

Answer:

6.

Step-by-step explanation:

To solve this, you can set up an equation as such:

x²-18= 3x

Now, rearrange this to make it an equation in standard form:

x²-3x-18=0.

Simply turn this equation into factored form:

(x-6)(x+3)= 0.

The only positive solution here is x=6.

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These are the ones that you need to choose.

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Markus is finding that it takes too long to track down all of the groceries he needs to buy from a given store. GroceryGrabbr to
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3 years ago
Plz help asap i meean asap plzz
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6 0
3 years ago
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Find the common ratio of the geometric sequence -18,126,-882
gtnhenbr [62]

Answer:

r = - 7

Step-by-step explanation:

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5 0
3 years ago
11b-12<-100
ruslelena [56]

Answer:

ok wait which symbol? this (<)?

well it should stay the same since -100 is greater than the 11b-12

LHS=RHS

11b÷11b b must cancell b also do the same on -12. -12÷11 will give u a lesser value compared to -100

prove me wrong

4 0
3 years ago
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