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nexus9112 [7]
3 years ago
12

- f(x) = 3x3 – 21ײ – 54xZeroMultiplicityEffect​

Mathematics
1 answer:
xenn [34]3 years ago
3 0

Answer:

x = 9 or x = 0 or x = -2

Step-by-step explanation:

Solve for x:

3 x^3 - 21 x^2 - 54 x = 0

The left hand side factors into a product with four terms:

3 x (x - 9) (x + 2) = 0

Divide both sides by 3:

x (x - 9) (x + 2) = 0

Split into three equations:

x - 9 = 0 or x = 0 or x + 2 = 0

Add 9 to both sides:

x = 9 or x = 0 or x + 2 = 0

Subtract 2 from both sides:

Answer:  x = 9 or x = 0 or x = -2

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A paintball court charges an initial entrance fee plus a fixed price per ball. P represents the total price (in dollars) as a fu
Nuetrik [128]

Answer:

$8

Step-by-step explanation:

It says P = per ball (which will be a number, n, for balls times the fixed price) plus a set entrance fee. So we find that the price per ball is $0.80, so 10 balls cost $8.

6 0
3 years ago
Read 2 more answers
What is (3y)/(2y)<=1
gregori [183]

Answer:

Step-by-step explanation:

Simplifying

3y + -2y = 1

Combine like terms: 3y + -2y = 1y

1y = 1

Solving

1y = 1

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Divide each side by '1'.

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4 0
3 years ago
A certain computer loses half of its value every two years. If the value of the computer after 3 years is 425, what was the init
IrinaVladis [17]

Answer:

1,700      

Step-by-step explanation:

The computation of the initial value of the computer is shown below:

Let us assume the value of a certain computer in the first year is X

In the second year, it is \frac{X}{2}

In the third year, it is \frac{X}{2}

In the fourth year, it is \frac{X}{4}

Now it is given that after 3 years, the value of the computer is = 425 i.e equal to

\frac{X}{4} = 425

So, X = 1,700

Hence, the initial value of the computer is 1,700      

6 0
4 years ago
How much will she lift after 4 training cycles?
n200080 [17]
I would go with A, but I'm not positive.
7 0
3 years ago
How do I subtract 6 5/12 - 2 2/3=
Marina86 [1]
First you make them fractions that have the same denominator. 12 can be the denominator, because 6 5/12 already has that denominator and to get 2 2/3 to have a denominator of 12, you multiply the numerator and denominator by 4 (3•4=12, but you have to do the same thing to the top and bottom of the fraction). You then have the equation
6 5/12- 2 8/12. Since you cant subtract 8/12 from 5/12, you turn the numbers into improper fractions, which would be
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6 0
3 years ago
Read 2 more answers
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