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4 years ago

Find the national root of x^4+3x^3+3x2-3x-4=0

Mathematics

1 answer:

ozzi4 years ago

5 0

Using a graphic tool.
see attached graphic

the solutions are
x1=-2
x2=0.811

check

for x=-2

x^4+3x^3+3x2-3x-4

(-2) ^4+3(-2) ^3+3(-2) ^2-4=16+(-24)+12-4=0 ok

For x=0.811

(0.811) ^4+3(0.811) ^3+3(0.811) ^2-4=0.4326+(1.6002)+1.9731-4=0 ok

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The sum of four consecutive integers is 342. What is the third term in the sequence

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Step-by-step explanation:

let four consecutive integers: n , n+1 , n+2 , n+3

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3 years ago

30 POINTS!! An international company has 13,500 employees in one country. If this represents 29.7% of the company's employees, h

irga5000 [103]

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Approximately 45,455 total employees.

Step-by-step explanation:

So the company has 13,500 employees in one country. And this represents 29.7% of the company's employees.

In other words:

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The left represents the number of employees in one country over the total number.

And the right is the decimal form of 29.7%. Simply move the decimal two places to the left and remove the percent symbol.

So, to solve for the total, multiply both sides by it first. The left side cancels:

$\text{Total}(\frac{13500}{\text{Total}} )=\text{Total}(0.297)\\13500=\text{Total}(0.297)$

Now, divide both sides by 0.297. The right side cancels:

$\text{Total}=\frac{13500}{0.297}$

Use a calculator.

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3 years ago

Read 2 more answers