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3 years ago

Simplify the expression by combining like terms. 7w+9+6X

Mathematics

2 answers:

Mars2501 [29]3 years ago

8 0

Answer:

Step-by-step explanation:

the answer stay the same due to the fact there are no like terms

7w+9+6x

GarryVolchara [31]3 years ago

3 0

The correct answer is c. Please give me brainlest let me know if correct or not okay thanks bye

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Answer:

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3 years ago

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Descried how to derive the quadratic formula from a quadratic equation in standard form

Aleks [24]

Answer:

The standard form of a quadratic equation is:

$ax^2+bx+c=0$ , $a\neq 0$

Quadratic Formula Derivation:

$ax^2+bx+c=0\\$

$x^2+\frac{b}{a}x+\frac{c}{a} =0$

$x^2+\frac{b}{a}x = -\frac{c}{a}$

Completing the Square:

$x^2+\frac{b}{a}x +\frac{b^2}{4a^2} = \frac{b^2}{4a^2}-\frac{c}{a}$

$( x+\frac{b}{2a} )^2 = \frac{b^2-4ac}{4a^2}$

Square Root property:

$x+\frac{b}{2a} = \pm \sqrt{ \frac{b^2-4ac}{4a^2}}$

$x = -\frac{b}{2a} \pm { \frac{\sqrt {b^2-4ac}}{2a}}$

$x = \frac{-b\pm\sqrt{b^2-4ac}} {2a} }$

8 0

3 years ago

Given mſn, find the value of x.<br> (6x-7)º<br> m<br> (4x-10°

Pavel [41]

Answer:

x = 3

Step-by-step explanation:

These angles are actually equal to each other

This is because when two lines intersect, the two opposite angles are the same.

Since they are the same, you can set them equal to each other

Like so:

6x - 7 = 4x - 1

Then solve:

6x - 7 = 4x - 1

6x = 4x +6

2x = 6

x = 3

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2 years ago

Round the number 2,787 to the nearest hundred

miskamm [114]

Answer:

2,800

Step-by-step explanation:

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3 years ago

Make vthe subjject of the formulaE=mvsquare/ 2<br>find the value of v when m =2 and E=64

Maksim231197 [3]

E=mv²

divide both sides by m

E/m=v²

square root both sides

v=√E/m

m=2,E=64

v=√64/2

v=9/√2

6 0

3 years ago