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choli [55]
3 years ago
12

What is the solution to 3x^2 + 4x + 8 = 0?

Mathematics
2 answers:
Travka [436]3 years ago
7 0

D) x = -2 ± 2i√5 / 3

olga55 [171]3 years ago
4 0

Answer:

x= -2+-√5/3

Step-by-step explanation:


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You have some money in your wallet. You don't know the exact amount, but you think you have 60 dollars give or take 15 dollars.
Karolina [17]

Answer:

The least amount is 75 dollars.

The biggest amount is 125 dollars

Step-by-step explanation:

The absolute value function will help us determine a  range of possible values since we do not know the exact amount of money.

Defining the function.

Let x be the exact amount of money in my pocket, we can define the equation

And we know that the difference between the exact amount of money with 100 dollars must be either 25 dollars more than what we estimated, or 25 dollars less than the estimation.  So we can write:

We have a difference inside an absolute value, since we know the difference must be either +25 or -25.

Solving for x

Using the definition of absolute value we have

So if the inside of the absolute value is positive we have the first line of the piece-wise function, that is

Solving for x give us

If the inside of the absolute value is negative we have to use the second line of the piece-wise function definition

Solving for x give us

So the least amount of money in my pocket is 75 dollars and the biggest amount is 125 dollars.

6 0
2 years ago
Find the surface area of the right triangular prism (above) using its net (below). <br> units
8_murik_8 [283]

Answer:

120 units^2

Step-by-step explanation:

(12)(5)(0.5)(2) + (12)(2) + (13)(2) + (5)(2) = 120 units^2

6 0
3 years ago
What is the value of 7 in 6,735?
JulijaS [17]
First, you have to break the number down by expanding it to find the different number values.

          6,735
              ↓
6,000 + 700 + 30 + 5

This shows us the values of the 7 in 6,735 is 700.

Answer: 700

6 0
3 years ago
Find the slope of the line passing through each of the following pairs of points. (−8, −3), (−1, −2)
olasank [31]
The slope is 1/7. The formula for slope is: m=y2-y1/x2-x1
6 0
4 years ago
Read 2 more answers
What is the solution set of the given equation?<br> 4y - 6y + 9y = -2
maw [93]
4y - 6y + 9y = -2
      -2y + 9y = -2
               7y = -2
                7      7
                 y = ⁻²/₇
8 0
3 years ago
Read 2 more answers
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