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3 years ago

Simplify -15+33-12+(-12)

Mathematics

2 answers:

lubasha [3.4K]3 years ago

6 0

Answer:

-6

Step-by-step explanation:

Kipish [7]3 years ago

4 0

Answer:

-6

Step-by-step explanation:

1) −15+33−12−12

2) =18−12−12

3) =6−12

4) =−6

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Solve the equation of exponential decay. The population of a city is expected to be 440,000 in 2020. This is a decline of 12% fr

DIA [1.3K]

Answer:

about 340,000

Step-by-step explanation:

In 10 years, the population dropped to 0.88 of what it was in 2010. At the same rate, in 20 more years, it will drop to 0.88² of what it was in 2020:

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5 0

3 years ago

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Sergio039 [100]

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3 years ago

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Gnesinka [82]

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2 years ago

Solve |5x+30|=10x ......

Orlov [11]

Answer:

Option A

Step-by-step explanation:

We need to solve out ,

$\implies |5x + 30| = 10x$

We can write it as ,

$\implies 5x + 30 = \pm 10x$

On simplyfing further,

$\implies 5x + 30 = 10x \quad or \quad 5x +30=-10x$

On solving the above equation , we will get ,

$\implies \boxed{ x = 6,-2}$

Now we know that the value of modulus is never negative so when we will put x is equal to 2 on the RHS we will get -20 which is not possible . Therefore , the extraneous root is -2 .

Option A is correct .

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2 years ago

Pls help asap i will give brainerlist plus 15 points

mario62 [17]

Answer:

6/7

Step-by-step explanation:

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2 years ago