MATHEMATICS MIDDLE SCHOOL

Solve |3x + 9| + 6 = 6

Answers

Answer 1
Answer:

Answer:

x = -3

Step-by-step explanation:

|3x + 9| + 6 = 6

|3x + 9|  = 6 - 6

|3x + 9|  = 0

3x + 9 = 0

3x = - 9

 x = -3

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Does the following situation describe opposite quantities combining to make zero? Explain.Tanya makes 2 cups of cleaning solution and puts it into a spray bottle. She uses all the solution to clean her house. *Yes, because the amount of cleaning solution in the bottle after Tanya uses the solution is not the same as before Tanya makes the solution.
Yes, because the amount of cleaning solution in the bottle after Tanya uses the solution is the same as before Tanya makes the solution.
No, because the amount of cleaning solution in the bottle after Tanya uses the solution is more than before Tanya makes the solution.
No, because the amount of cleaning solution in the bottle after Tanya uses the solution is less than before Tanya makes the solution.

Answers

Answer:

Yes, because the amount of cleaning solution in the bottle after Tanya uses the solution is the same as before Tanya makes the solution.

Step-by-step explanation:

Tanya makes 2 cups then uses 2 cups.

2-2=0

Calculate the discriminant x2-2x+4=0
A.0

B.20

C.12

D.-12

Answers

ax^2+bx+c=0\nthe\ discriminant:\Delta=b^2-4ac\n-------------------\nYour\ example:\nx^2-2x+4=0\to a=1;\ b=-2;\ c=4\n\nthereore\ \Delta=(-2)^2-4\cdot1\cdot4=4-16=\fbox{-12}\n\nAnswer:\boxed{D.\ -12}
x^2-2x+4=0 \n \na=1 \nb=-2 \nc=4 \n \n\hbox{the discriminant: } \Delta=b^2-4ac=(-2)^2 - 4 *1 * 4=4-16=-12

The answer is D.

17/4/3/4 in simplest form

Answers

17/4*inverse of 3/4
17/4*4/3
=17/3

Mr. Rhee traveled 90 miles at 60 miles per hour to visit his parents on the way home he was caught in heavy traffic so that the average speed for the entire trip was 45 miles per hour. how fast did mr.rhee travel on the way home in miles per hour?

Answers

Wouldn’t it be 45 mph

Which best describes how to get from the origin to the point (–6, 9)? A. Move 6 units down, then 9 units to the right. B. Move 6 units to the left, then 9 units up. C. Move 6 units to the left, then 9 units down. D. Move 6 units down, then 9 units to the left.

Answers

The answer would be B.
the -6 means it would go left, and the 9 would mean go up.

Which expression is equal to a x a x a x b x bA- a²b³
B-a³b²
C- 3a x 2b
D- 3a² x 2b²

Answers

B,because 3 a's and 2 b's so that's a 3 times and b 2 times
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