(5xy - y^2) - (3yz + 2xy) + (3y^2 - 4xy)

Answers

Answer 1

Answer: $(5xy - y^2) - (3yz + 2xy) + (3y^2 - 4xy) \n= 5xy-y^2-3yz-2xy+3y^2-4xy \n =2y^2-xy-3yz$

Answer 2

Answer: $(5xy - y^2) - (3yz + 2xy) + (3y^2 - 4xy)=\n 5xy-y^2-3yz-2xy+3y^2-4xy=\n 2y^2-xy-3yz$

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HELP ME PLS ITS 3AM IM TIRED // geometry HL AND CPCTC
Uh, I need help with this question (10 points)

What is the value of x?

Answers

Answer; 3/46

Step-by-step explanation:

The measure of an angle is seventeen times the measure of a supplementary angle. What is the measure of each angle?

Answers

The measure of each angle will be 10° and 170°.

A supplementary angle refers to an angle that has the sum to be equal to 180°.

Let the small angle be represented by x

Therefore, the big angle will be: = 17 × x = 17x

Therefore, the value of both angles will be:

x + 17x = 180

18x = 180

Divide both side by 18

18x/18 = 180/18

x = 10

Therefore, the bigger angle will be:

17x = 17 × 10 = 170

Therefore, the angles are 10° and 170°

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supplementary angles are two angles that when add equal 180 degrees.
The supplement of an angle is 180 - n.

n = 17(180 - n)
n = 3060 - 17n
n + 17n = 3060
18n = 3060
n = 3060/18
n = 170

so the unknown angle (n) = 170 degrees and its supplement = (180 - 170 = 10)......= 10 degrees.

ANSWER QUICKLY FOR BARIESS!!

Answers

Answer:

4x + 12 ≤ -8

Step-by-step explanation:

4, x blocks = 4x
12, 1 positive blocks = 12
8, -1 blocks = -8
Inequality sign: ≤
Put them together: 4x + 12 ≤ -8

I hope this helps!

Explain how the expanded notation method is used to multiply 82 x 3

Answers

80 times 3 plus 2 up put 82 in expanded form and that would be 80,2
2 can not be expanted and then you muliply either 2 and 2 or 2 and 80 which ever you do you have to had what number you didnt use into the problem

By mistake, you added salt instead of sugar to the
oil. How can you remove the salt?

Answers

Answer: Evaporate the water by boiling it in a pot with a lid or another container. This separates both substances as the boiling point for water is much lower than salt, this method is called simple distillation.

Answer:

Salt is ionic, and oil is covalent. If you add water, the salt will dissolve in the water, and the oil will float to the top. You could then skim the oil and start over with sugar. To double-check, you could even make sure the oil does not conduct electricity!

Step-by-step explanation:

Simplify the expressions using the distributive property.8(7x + 3)5(5y - 2)

Answers

Simplify the expressions by using the distributive property.

$\begin{gathered} 8(7x+3)=8\cdot7x+3\cdot8 \n =56x+24 \end{gathered}$

For second expression,

$\begin{gathered} 5(5y-2)=5\cdot5y+5\cdot(-2) \n =25y-10 \end{gathered}$

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Help me yaall for 17 point