MATHEMATICS MIDDLE SCHOOL

Solve: 2 x^(2)+8x =0

Answers

Answer 1
Answer: 2x^2 + 8x = 0
2x(× + 4) = 0

2x = 0
x = 0/2 =0

x + 4 = 0
x = -4

Related Questions

When Marla rounded 19.95 to the nearest tenth she found the number change to 20.
A square has side length 6 inches. A parallelogram has a base of 6 inches. The area of the square is equal to the area of the parallelogram. What is the height of the parallelogram? How do i solve this?
The four highest scores at a diving meet were 9.08, 9.1, 9.15, and 9.06 points. Which of 3 of these numbers were the lowest out of all 4 of the numbers?
(韵2for-Sandy-22,2Evaluate the expression (for x = 3 and y = 2.1AV2
What is the answer to -|25|It is -25 or just 25

A basketball team has 9 players. In how many different ways can the coach coach select 2 players to be the captain for tonight's game

Answers

Its acctually 36 jnioq54hmkdbf

The correct answer is:

36.

Explanation:

This is a combination of 9 items taken 2 at a time (order is not important). This is given by the formula:

Using coordinate geometry, prove that Quadrilateral MIKE is a Parallelogram:

Answers

Answer: It has two pairs of parallel lines

Step-by-step explanation:

coordinates of E (-4,4)  K (4,4)   M(-6,-3) I( 2,-3)

The distance from E to K is 8  the same as the distance from M to I.

The distance from M to E is  about 7.3 and the distance between K and I is the the same thing.

Answer:

Counting the unit on graph, we observes:

EK = MI = 8

EK // MI // x-axis

=> MEKI is parallelogram

Hope this helps!

:)

A sporting goods store charges $30 for 12 cans of tennis balls and $45 for two boxes of golf balls. A coach orders 100 cans of tennis balls and 5 boxes of golf balls. How much will the coach pay for the tennis and golf balls?

Answers

tennis ball
12 cans = $30
1 can = $ 30/12 = $2.5

golf balls
2 boxes = $45
1 box = $45 /2 = $ 22.5

100 cans of tennis balls + 5 boxes of golf boxes 
(100 * $ 2.5)  + ( 5 *  $ 22.5) 
$250 + $112.5
$362.5

Complete each statement from the information given and state the reasons and the triangle criterion you used.

Answers

Answer:

Triangle GAS = Triangle IOL by rule AAS

Step-by-step explanation:

The points must be ordered correctly so they correspond within the triangles. Point G = Point I, Point A = Point O, Point S = Point L.

A rule for determining Triangle Congruency is AAS. If two angles and a side of a triangle are equal to one of another triangle, the triangles are congruent.

72 inches equals how much yards

Answers

Answer: 2 yards

Step-by-step explanation: there are 36 inches in a yard so divide 72 by 36 to get 2 which is the answer to the question

hope this helps mark me brainliest if you can

Answer:

2 yards

Step-by-step explanation:

There are 12 inches in 1 foot

72 inches / 12 inches= 6 feet

There are 3 feet in a yard

6 feet/ 3 feet= 2 yards

Hope this helped!

Factor this expression: 12 + 20

Answers

Answer:

12 + 20 = 4 × (3 + 5)

Step-by-step explanation:

12 = 4 × 3

20 = 4 × 5

12 + 20 = 4 × 3 + 4 × 5 = 4 × (3 + 5)
Other Questions
if a plane can travel 490 miles per hour with the wind and 450 miles per hour against the wind, find the speed of the plane without a wind and the speed of the wind.
2/3 x 1/4 in simplest form
Please I have the answers I just want to double check them and Solvekey: B=42  A=93  N=29  X=361. (b-7)(2b-7)2. (4a-4)(5a-7)3. (5n-6)(4n+7)4. (2n=8)(8n+3)5. (6x-4)(6x-8)
In the diagram shown, line mm is parallel to line nn. Cruz says that ∠4∠4 and ∠6∠6 are congruent angles. Is he correct? Why or why not?a) Yes, because they are both obtuse angles b)Yes, because ∠4∠4 and ∠7∠7 are congruent corresponding angles, and ∠6∠6 and ∠7∠7 are vertical angles. c)No, because ∠4∠4 and ∠6∠6 are not right angles. d)No, because ∠4∠4 and ∠5∠5 are not congruent, and ∠5∠5 and ∠6∠6 are not congruent.