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4 years ago

14

24x^3-14x^2+20x+6 divided by 4x^2-3x+5

1 answer:

Aloiza [94]4 years ago

3 0

Answer:

6x+1+ -7x+1/4x^2-3x+5

Hope This Helps & Good Luck :)

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Find the distance between (8, -4), (-4,2)

s344n2d4d5 [400]

Answer

The distance is 13.4164078649987

5 0

4 years ago

PLEASE HELP ME I WILL MARK BRAINLYEST

Korvikt [17]

Question 9:

Given the equations

$5x+2y=6;$

$4x-8y=0$

solving the system of the equations

$\begin{bmatrix}5x+2y=6\\ 4x-8y=0\end{bmatrix}$

$\mathrm{Multiply\:}5x+2y=6\mathrm{\:by\:}4\:\mathrm{:}\:\quad \:20x+8y=24$

$\mathrm{Multiply\:}4x-8y=0\mathrm{\:by\:}5\:\mathrm{:}\:\quad \:20x-40y=0$

$\begin{bmatrix}20x+8y=24\\ 20x-40y=0\end{bmatrix}$

$20x-40y=0$

$-$

$\underline{20x+8y=24}$

$-48y=-24$

$\begin{bmatrix}20x+8y=24\\ -48y=-24\end{bmatrix}$

$-48y=-24$

$\frac{-48y}{-48}=\frac{-24}{-48}$

$y=\frac{1}{2}$

$y = 0.5$ ( 0.5 is the result of rounding 0.5 to the nearest 0.01)

$\mathrm{For\:}20x+8y=24\mathrm{\:plug\:in\:}y=\frac{1}{2}$

$20x+8\cdot \frac{1}{2}=24$

$20x+4=24$

$\frac{20x}{20}=\frac{20}{20}$

$x=1.00$ ( 1.00 is the result of rounding 1 to the nearest 0.01 )

So, the solution is:

(x, y) → (1.00, 0.5)

Question 10)

Similarly the question 10 can be solved.

Given the equations

$5x+2y=9;\:4x-3y=44$

solving

$\begin{bmatrix}5x+2y=9\\ 4x-3y=44\end{bmatrix}$

$\mathrm{Multiply\:}5x+2y=9\mathrm{\:by\:}4\:\mathrm{:}\:\quad \:20x+8y=36$

$\mathrm{Multiply\:}4x-3y=44\mathrm{\:by\:}5\:\mathrm{:}\:\quad \:20x-15y=220$

$\begin{bmatrix}20x+8y=36\\ 20x-15y=220\end{bmatrix}$

$20x-15y=220$

$-$

$\underline{20x+8y=36}$

$-23y=184$

$\begin{bmatrix}20x+8y=36\\ -23y=184\end{bmatrix}$

$-23y=184$

$y=-8.00$ ( -8.00 Rounded to the nearest 0.01 or the Hundredths Place )

$\mathrm{For\:}20x+8y=36\mathrm{\:plug\:in\:}y=-8$

$20x+8\left(-8\right)=36$

$20x=100$

$x=5.00$ ( 5.00 Rounded to the nearest 0.01 or the Hundredths Place )

So, the solution is:

(x, y) → (5.00, -8.00)

8 0

3 years ago

Numbers that are easy to divide mentally are

Pepsi [2]

If you know how to multiply, I'm sure you know how to divide too... But here are some.

4 and 2
8 and 2
6 and 3 or 2

3 0

4 years ago

I need help ASAP nowwwwwww plz 106=

polet [3.4K]

Answer:

r = 0.053 or 5.3%

Step-by-step explanation:

Formula:

I = Prt

Given:

I = 106

P = 10000

t = 73/365

Work:

I = Prt

r = I/(Pt)

r = 106/(10000 * 73/365)

r = 106/2000

r = 0.053

6 0

3 years ago

Mark sold x pens for $2 each. He received less than $80 from the sale. Find the greatest possible number of pens he sold.

lidiya [134]

80 divided by 2= 40-2= 38

8 0

3 years ago