9x+6x^2= 124 what is x

Answers

Answer 1
Answer: X: -9 +- square root of 3057
     ---------------------------------
                      12
       
Answer 2
Answer: 6x^2 + 9x - 124 = 0
x = [-9 +-sq root (36-4*9*-124)] / 2*6
x1 = 3.8575
x2 = -5.3575





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If an item weighs 45 kilograms, what is its weight in pounds?

Answers

Answer:

45 kilogram =  99.208 pound.

Step-by-step explanation:

Given  : If an item weighs 45 kilograms,

To find : what is its weight in pounds.

Solution : We have given that

Weighs = 45 kilograms.

1 kilogram  = 2.20462 pound .

45 kilogram = 2.20462 * 45.

45 kilogram =  99.208 pound .

Therefore, 45 kilogram =  99.208 pound.

The weight of 45 kg is equal to 99.21 pounds.

To convert 45 kilograms to pounds,

We have to use a conversion factor.

The conversion factor is 2.20462 pounds per kilogram.

Therefore,

To find the weight of an item in pounds,

We have to multiply its weight in kilograms by 2.20462.

So,

Multiplying 45 kilograms by 2.20462 pounds per kilogram

We get a weight of approximately 99.21 pounds.

It's important to note that kilograms and pounds are both units of mass, but they are used in different parts of the world.

Kilograms are the standard unit of mass in the metric system,

while pounds are commonly used in the United States and the United Kingdom.

Hence,

An item that weighs 45 kilograms has a weight of approximately 99.21 pounds.

To learn more about the measurement unit visit:

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A first number plus a second number is 10. Twice the first number plus the second totals 26.

Answers

1st number = x
2nd number = y

2x + y = 26
                    -
  x + y = 10

x = 16

26 - (2 x 16) = -6

10 - 16 = -6


Number 1 is 16
Number 2 is -6


Simplify (3x - 5) + (3x + 6).

Answers

Since neither of the bracketed expressions is preceded by a minus sign, and neither one has a multiplier outside of it, all of the parentheses can simply be removed.

(3x - 5) + (3x + 6)

3x - 5 + 3x + 6

Combine the 'x'-terms:  3x + 3x = 6x
Combine the numbers:  -5 + 6 = 1

The expression is equivalent to . . . . . 6x + 1






add like terms.
3x + 3x + -5 + 6

your final answer would be 6x + 1

Use long division to find the quotient, q(x), and remainder, r(x)

(x2-2x-15) / (x-5)

Answers

Quotient: x+3
Remainder: 0

A bar graph in which the bars are arranged in frequency order is
a.

Answers

It is a histogram because they are by frequency.

Which of the following pair of times has an elapsed time of 3 hours and 20 minutes between the times?3:20 to 6:00
8:40 to 12:00
6:30 to 9:20
5:50 to 8:10

Answers

8:40 to 12:00, 3 hours and 20 minutes has elapsed.