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kenny6666 [7]
3 years ago
11

Consider the equation: x^2=-8x-7

Mathematics
2 answers:
almond37 [142]3 years ago
5 0

Answer:

1) We can rewrite the equation as (x+4)^2=9  

2) The solutions to the equation are x=−4±3

Step-by-step explanation:

max2010maxim [7]3 years ago
4 0

Answer:

i believe it's c. if i'm wrong, i'm sorry

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Some money was invested at 12% interested for 2 years. If the interest was $21, how much was invested?
astra-53 [7]

Answer:

$87.5 was invested

Step-by-step explanation:

10.5 is 12% of 87.5, so if the money was in the bank for 2 years, we would have to do 10.5*2 which is 21, and that's how much money was gained from the investment.

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3 years ago
Roby spent two months traveling in country A. The day she arrived, the exchange rate was 1.3 country A dollars per country B. Co
Fantom [35]

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650 Country A Dollars

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3 years ago
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Step-by-step explanation:

Hope the answer help

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2 years ago
Choose all of the equations that are equivalent to 8k = 20
Orlov [11]
It’s definitely is A,D, and C
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Read 2 more answers
Round 17,475 to the nearest hundred. Then round your answer to the nearest thousand.
user100 [1]

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20,480

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