2 years ago

PLS PLS PLS HELP!!!! True or false: 6x² - 4y - 3x + 6x² + 8x= 12x² + 5x - 4y

Mathematics

1 answer:

tigry1 [53]2 years ago

7 0

Answer:

True

Step-by-step explanation:

6x² - 4y - 3x + 6x² + 8x = 12x² + 5x - 4y

Regroup terms on left

6x² + 6x² - 3x + 8x - 4y = 12x² + 5x - 4y

Combine like terms

on left

12x² + 5x - 4y = 12x² + 5x - 4y True

You might be interested in

F(x) = 4x2–2x + 1<br> i need help solving this problem and the steps

Shkiper50 [21]

F(x)=2x+3
assuming the problem is 4 times 2 minus 2x plus 1
you add like variables

3 0

2 years ago

A rectange has a width of 9 units and a length of 40 unit. what is the length in diagonal

AlekseyPX

Answer:

41 units

Step-by-step explanation:

The diagonal forms a right triangle with the sides, so we can use Pythagorean theorem.

c² = a² + b²

d² = 9² + 40²

d = 41

The diagonal is 41 units long.

3 0

3 years ago

Please help with theses two questions.

Goryan [66]

Yea i have no clue how she can be like a

4 0

3 years ago

Liam is setting up folding chairs for a meeting. If he arranges the chairs in 8 rows of the same length, he has 9 chairs left ov

Mnenie [13.5K]

8x +9 = 6x + 21 where x = number of chairs in each row
2x=12
x=6

sub back into original equation 8 x 6 + 9 =57 chairs

4 0

2 years ago

Mr. McDonald finds the lower the price of hamburgers in his restaurant, the more hamburgers he sells. This relationship can best

Alla [95]

Answer:

Negative linear relation

Step-by-step explanation:

When one variable increases (the price) while the other variable decreases (the number of hamburgers he sells) , a negative linear relationship exists.

The photo below may help you.

6 0

3 years ago