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Ivan
4 years ago
9

Find all the rational zeros. f (x) = x4 - 6x3 - 5x2 - 12x - 14

Mathematics
1 answer:
prohojiy [21]4 years ago
7 0
F= -2(9x+16)
-----------------
X

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Solve the quadratic equation by completing the square.
cupoosta [38]

Answer:

A

Step-by-step explanation:

x² - 10x + 18 = 0

x² - 2(x)(5) + 5² - 5² + 18 = 0

(x - 5)² = 7

x = 5 + sqrt(7), 5 - sqrt(7)

sqrt: square root

7 0
4 years ago
What is the value of x in the equation one-fifthx – two-thirdsy = 30, when y = 15? 4 8 80 200.
worty [1.4K]

On solving the linear system, for the value of y = 15, the value of x is 200. The correct option is D.

<h3>What is the linear system?</h3>

It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.

Given

The linear equation is shown below.

\rm \dfrac{1}{5}x - \dfrac{2}{3}y = 30

The equation can be written as

\rm 3x - 10y = 450\\

For y = 15, the value of x will be.

\begin{aligned} \rm 3x - 10*15 &= 450\\\\\rm 3x - 150 &= 450 \\\\\rm 3x &= 600\\\\\rm x &= 200\\\end{aligned}

The value of x is 200.

Thus, option D is correct.

More about the linear system link is given below.

brainly.com/question/20379472

7 0
3 years ago
I need help please anything would help
Oxana [17]
I don’t see anything posted
4 0
3 years ago
Read 2 more answers
4×7×25=tell what multiplication strategy to use
Snezhnost [94]
I think u use multiplication
6 0
3 years ago
Jasmine parents invested $14,000 at 5% per year compounded monthly how much money will there be in an account after 12 years
Wittaler [7]

Answer: $ 123,859.75

Step-by-step explanation:

you will want an initial investment of $ 14,000.00

to attain a future value of $ 123,859.75

at an interest rate of 5%

with monthly contributions of $ 500.00

for an investment period of 12 years

7 0
3 years ago
Read 2 more answers
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