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2 years ago

(3x^2 + 4x -7) - (x^2 - 2x + 6)

Mathematics

1 answer:

marshall27 [118]2 years ago

8 0

(9x^2 +4x -7) - x^2 +2x - 6
8x^2 +6x - 13.

Get a grip on your life son. This is really simple.

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Solve for x: -3 + x = -22

Tanya [424]

Answer:

x= -19

Step-by-step explanation:

-3 + x = -22

Add 3 to each side

-3+3 +x = -22 +3

x = -19

3 0

3 years ago

The price of a liter of milk increased 10% compared with last year . If the new price is $1.21 per liter , what was last years p

Alex Ar [27]

Answer:

$1.1

Step-by-step explanation:

First take if 110% is equals to $1.21 what about 100%

1.21×100=121÷110= $1.1

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3 years ago

Describe the end behavior of the function f(x)=-2x^4- x^3 +3.

Hoochie [10]

Answer:

Step-by-step explanation:

For a polynomial , the behaviour as x gets large is determined by the term of greatest degree,

f(x) = - 2 $x^{4}$ - x³ + 3

Is of even degree with a negative leading coefficient , then

f(x) → - ∞ as x → + ∞ and f(x) → - ∞ as x → - ∞

6 0

2 years ago

Solve the equation. 5/6x - 4 = -2

Agata [3.3K]

Answer:

Step-by-step explanation:

Given

$\frac{5}{6}$ x - 4 = - 2 ( add 4 to both sides )

$\frac{5}{6}$ x = 2 ( multiply both sides by 6 to clear the fraction )

5x = 12 ( divide both sides by 5 )

x = $\frac{12}{5}$ = 2 $\frac{2}{5}$ → A

8 0

3 years ago

What is the sign of 3x y3xy3, x, y when x>0x>0x, is greater than, 0 and y<0y<0y, is less than, 0?

kaheart [24]

Answer:

B ) Negative

Step-by-step explanation:

Given the expression 3xy

when x>0 and y<0

The value of the expression 3xy will be negative.

This is because the product of a positive and negative number will always be negative.

For illustration,

Let x=5>0 and y=-5<0

3xy=3(5)(-5)=-75

NOTE:

$-X-=+\\-X+=-\\+X+=+$

5 0

3 years ago