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In-s [12.5K]
3 years ago
14

Expand the following x(x-6), x(4x-1), 2x(5x+4), 3x(5x-y)

Mathematics
2 answers:
snow_tiger [21]3 years ago
6 0

Answer:

a.{x}^{2}  - 6x

b. 4 {x}^{2}  - x

c. 10 {x}^{2}  + 8x

D. 15 {x}^{2}  - 3xy

Step-by-step explanation:

a.

x(x - 6)

Multiply each term in the parentheses by X

x \times x - x \times 6

Calculate

{x}^{2}  - 6x

b.

x(4x - 1)

Multiply each term in the parentheses by X

x \times 4 - x \times 1

Calculate

4 {x}^{2}  - x

c.

2x(5x + 4)

Multiply each term in the parentheses by 2x

2x  \times 5x + 2x \times 4

Calculate

10 {x}^{2}  + 8x

d.

3x(5x - y)

Multiply each term in the parentheses by 3x

3x  \times 5x - 3x \times y

Calculate

15 {x}^{2}  - 3xy

Hope this helps..

Good luck on your assignment

zlopas [31]3 years ago
4 0

Answer:

x^2-6x, 4x^2-1x,10x^2+8x,15x^2-3xy

Just use the distributive property like you have before and you will get these answers, Hope this helped!

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What is the equation of the line that goes through the points (1,2) and (2,1)?
Mandarinka [93]

Answer:

y = -x+3

Step-by-step explanation:

We have two points so we can find the slope

m =(y2-y1)/(x2-x1)

    (1-2)/(2-1)

    -1/1

 The slope is -1

We can use the slope intercept form of the equation

y = mx+b where m is the slope and b is the y intercept

y = -x+b

Substitute a point into the equation to find b

2 = -1 +b

Add 1 to each side

2+1 =-1+1 +b

3 =b

y = -x+3

4 0
3 years ago
Round 248,739 to the nearest hundred
vampirchik [111]

Look at your hundredth spot which is where the 7 is. So…

248, 739

Since 3 is not 5 or higher you cant round 7 up to 8. So your correct answer is 248,700

Hope this helps!

7 0
3 years ago
PLZ HELP...Enter in standard form the equation of the line passing through the given point and having the given slope.
Alenkinab [10]

Standard form for the equation of the line is

$y=-\frac{2}{3} x-\frac{25}{3}

Solution:

Given point is (2, –5).

slope of the line m = -\frac{2}{3}

Here, x_1=2, y_1=-5

Equation of a line passing through the point:

y-y_1=m(x-x_1)

$y-(-5)=-\frac{2}{3} (x-(-5))

$y+5=-\frac{2}{3} (x+5)

$y+5=-\frac{2}{3} x-\frac{10}{3}

Subtract 15 from both sides of the equation.

$y+5-5=-\frac{2}{3} x-\frac{10}{3}-5

$y=-\frac{2}{3} x-\frac{25}{3}

Standard form for the equation of the line is

$y=-\frac{2}{3} x-\frac{25}{3}

7 0
3 years ago
PART1
Mice21 [21]
Part 1:\frac{5x^{3} + 10x^{2} + 15x}{5x} = \frac{5x^{3}}{5x} + \frac{10x^{2}}{5x} + \frac{15x}{5x} = x^{2} + 2x + 3
The answer is C.

Part 2:\frac{3x^{4} + 5x^{2} + 2x}{x} = \frac{3x^{4}}{x} + \frac{5x^{2}}{x} + \frac{2x}{x} = 3x^{3} + 5x + 2
The answer is A.
8 0
3 years ago
Are 0.6600 and 0.66 equivalent decimals?<br> yes<br> no
malfutka [58]

Answer:

Yes.

Step-by-step explanation:

0.66 is 0.6600.

7 0
2 years ago
Read 2 more answers
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