3 years ago

Solve each equation by completing the square 6x2+12x-27=-9

Mathematics

2 answers:

AnnyKZ [126]3 years ago

5 0

Answer:

1 and 2

Step-by-step explanation:

look this solution :

aev [14]3 years ago

3 0

Answer:

the answer to this question is x=3\4

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mr_godi [17]

Answer:

Step-by-step explanation:

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3 years ago

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GREYUIT [131]

Answer:

$2.52 \times 10 ^{ - 2}$

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2 years ago

(3.8 x 10 ^ -6) x (2.37 x 10 ^ -3)<br><br> Enter the answer in science notification

Black_prince [1.1K]

Multiply the coefficients and the powers of 10 with each other:

$(3.8 \times 10^{-6}) \times (2.37 \times 10^{-3}) = (3.8\times2.37) \times (10^{-6} \times10^{-3})$

The numeric part simply yields

$3.8\times2.37 = 9.006$

As for the powers of 10, you have to add the exponents, using the rule

$a^b \times a^c = a^{b+c}$

So, we have

$10^{-6} \times10^{-3} = 10^{-6-3} = 10^{-9}$

So, the final answer is

$9.006\times 10^{-9}$

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3 years ago

Admission to the movie theater costs $7.50 for adults and $3.50 for students. The theater's goal is to receive $1500 in revenue

Bess [88]

7.50a+3.50s=1500 , a stands for the quantity of adults who got the ticket, s are the students

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