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3 years ago

9x^3 + 45x^2 - 4x -20 ; x+5 synthetic division

1 answer:

3 0

9x² + 0x - 4
x + 5|9x³ + 45x² - 4x - 20
 9x³ + 45x² 
 -4x - 20
 -4x - 20
 0
The answer is equal to 9x² - 4.

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R - 17.1 = -4.8

denis-greek [22]

Answer: r=12.3 *The answer must have a positive sign or decimal point.*

Explanation:

First, you had to do is add 17.1 from both sides of an equation.

$r-17.1+17.1=-4.8+17.1$

And then, simplify by equation.

$17.1+-4.8=12.3$

You can also add by the numbers.

$12.3+4.8=17.1$

$r=12.3$

Hope this helps!

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3 years ago

If a=8 and b=5 and x=4 and y=6m -2 what is the value of m ?

Serga [27]

Answer:

m = 2

Step-by-step explanation:

Given:

x = 4

y = 6m - 2

a = 8

b = 5

Required:

Value of m

SOLUTION:

x and y are segments of a chord divided when it intersects another chord that also has segments a and b.

According to the Intersecting chords theorem, $a*b = x*y$

Thus:

$8*5 = 4*(6m - 2)$

Solve for m

$40 = 24m - 8$

$40 + 8 = 24m - 8 + 8$

$48 = 24m$

$\frac{48}{24} = \frac{24m}{24}$

$2 = m$

The value of m = 2

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3 years ago

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