What equation results from completing the square and then factoring?
x2 + 2x = 9

Answer:

180 boxes

Step-by-step explanation:

The rate of change is 10 boxes per hour, so if you multiply 10 times 18 you will get 180 which is the answer.

Answer:

x < -20

Step-by-step explanation:

[tex]\frac{x}{5}[/tex] + 6 < 2

subtract 6 from both sides of the equation

[tex]\frac{x}{5}[/tex] < 2 - 6

[tex]\frac{x}{5}[/tex] < -4

multiply both sides of the equation by 5

x < -4 * 5

x < -20

Answer:

true

Step-by-step explanation:

eleven wins to one lose 11 to 1

Answer:

The answer is 54,427

Step-by-step explanation:

Add them up

Answer:

Subtract 11 from both sides

Step-by-step explanation:

X has to be alone

Answer:

Subtract 11 from sides

Step-by-step explanation:

You have to get the x by itself first

Answer:

D) 4

Step-by-step explanation:

−9 + 12 + (unknown) + −8 = −1

Start by going through and testing each option

−9 + 12 + 2 + −8 =

3 + 2 + −8 =

5 + −8 =

−3

−3 ≠ −1

A) 2 is not possible.

−9 + 12 + −2 + −8 =

3 + −2 + −8 =

1 + −8 =

−7

−7 ≠ −1

B) −2 is not possible.

−9 + 12 + −4 + −8 =

3 + −4 + −8 =

−1 + −8 =

−9

−9 ≠ −1

C) −4 is not possible.

From this, D is looking like the answer. But to be sure, test it.

−9 + 12 + 4 + −8 =

3 + 4 + −8 =

7 + −8 =

−1

−1 = −1

D) 4 is the answer.

Answer:

Henrietta is incorrect

Step-by-step explanation:

Start in the tenths place and notice that 8 is greater than 6. This makes 0.8 greater than 0.64

You don't need to consider the hundredths place value unless both numbers in the tenths are the same.

Answer:

Step-by-step explanation:

The slope is defined as the ratio of the vertical change between two points, the rise, to the horizontal change between the same two points, the run.

Answer:

The slope is the steepness of a function/line

it is the coefficient of x or m in y=mx+b

Answer:

2/3

I hope this helps :D

9514 1404 393

Answer:

  3/2

Step-by-step explanation:

The slope is the "rise" (change in y) divided by the "run" (change in x).

  m = (y2 -y1)/(x2 -x1)

  m = (6 -3)/(4 -2) = 3/2

The slope is 3/2 = 1.5.

Answer:

16 of the 28,000 gallon tanks

6 of the 14,000 gallon tanks

4 of the 7000 gallon tanks

Step-by-step explanation:

ez

The tank should be leased by each quantity by 4 tank cars of  7000 gallons , 6 tank cars of 14000 gallons and 16 tank cars of 28000 gallons .

In the elimination method, we eliminate any one of the variables by using basic arithmetic operations and then simplify the equation to find the value of the other variable. Then we can put that value in any of the equations to find the value of the variable eliminated.

According to the question

Let Tank cars of 7000  ​gallons = x

Let Tank cars of 14000  ​gallons = y

Let Tank cars of 28000  ​gallons = z

A chemical manufacturer wants to lease a fleet of 26 railroad tank cars with a combined carrying capacity of 560,000 gallons.

i.e ,

x + y + z = 26 ---------------------------------------(1)

and

7000x + 14000y + 28000z = 560000  

x + 2y + 4z = 80  --------------------------------(2)

Now , solving equation (1) and (2) by elimination method

x = 4

y = 6

z = 16

Hence, The tank should be leased by each quantity by 4 tank cars of  7000 gallons , 6 tank cars of 14000 gallons and 16 tank cars of 28000 gallons .

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Answer:

Step-by-step explanation:

O

Answer:

The 20% tip would be 18%

The 80% mark down would be 0.8 I think

The 60% I'm not sure for the 60% one

The 10% I'm not sure for that one but I think it would be 3.75

I think for 75% mark down it would be 0.7 I'm not sure tho and I'm not sure for the rest

Sorry if I'm wrong but hope this helps:)

Answer:

b

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

When you plot the points (-2,1) and (2,1) on a graph, you get a horizontal lines that crosses through y=1 which can be rearranged to be written as y-1=0

Answer:

C. 4/5

Step-by-step explanation: If you have a fraction with the numerator being less than the denominator then multiplying by 7 you will get a number that is less than 7

Answer:

3/24= 33/264

2/9= 12/54

4/5= 32/40

8/9= 16/18

42/18= 7/3

32/12= 8/3

Step-by-step explanation:

You have to use common factors and denominators to match numbers. VERY COMPLICTED! Hope this helps!

Answer:

Step-by-step explanation:

If there are 48 books on shelves

Then number of books in 12 shelves

= 48 ÷ 12 = 4 books

Answer:

576

Step-by-step explanation:

because 48 books on each shelves 48×12=576

Answer:

b + 2 = 6

Step-by-step explanation:

This may not be the right answer, but its what I think it is.

Answer:

90

Step-by-step explanation:

The number of possibilities is the the product of the number of choices of each category.

size: 3 choices

cheese: 2 choices

side dish: 3 choices

drink: 5 choices

number of difference possibilities: 3 * 2 * 3 * 5 = 90

Answer: 90

Answer:

- 1 and 3

Step-by-step explanation:

The coordinates of point R are (-8, 7)

Answer:

An Obtuse angle is an angle whose degree measure is greater than 90 and less than 180o. ... 2x + 8 + 3x + 2 = 180 ... 14 – 23, Provide the name of the following relationships: 14. ... m∠BEC = 5x - 25 and m∠DEA = 7x – 65, find ... 37. If the measures of the angles of a triangle are represented by 2x + 8, x - 8 and 2x – 20.

Step-by-step explanation:

The required measure of angle ∠XYV is given as 112°.

Orientation of the one line with respect to the horizontal or other respective line is known as a measure of orientation and this measure is known as the angle.

here,
According to the given condition,
As Line WV intersects line XZ at V so,
Angle XYW = Angle VYZ
Substitute the value in the above expression,

3x + 23 = 7x - 37

60 = 4x
x = 15

∠ XYW = 3x + 23
            = 3(15) + 23
            = 45 + 23
            = 68

Now,
∠XYV = 180 - ∠ XYW
Substitute the value in the above expression,

∠XYV = 180 - 68
∠XYV = 112°

Thus, the required measure of angle ∠XYV is given as 112°.

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Answer:

3x^2 - 4

Step-by-step explanation:

(6x^4 - 8x^2) ÷ 2x^2

3x^2 - 4

73 is the rate of the eastbound train while The speed of the westbound train is 59 miles per hour.

speed is described as. the pace at which an object's location changes in any direction. Speed is defined as the distance traveled divided by the travel time. Speed is a scalar quantity because it just has a direction and no magnitude.

Given, Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels 14 miles per hour slower than the westbound train.

Eastbound train:

time = 3 hrs, rate = x mph, distance = 3x miles

Westbound train:

time = 3 hrs ; rate = x-14 ; distance = 3x-42 miles

3x + 3x - 42 = 480

6x = 438

x = 73 (rate of the eastbound train)

To find the rate of the westbound train:

rate = x -14

rate = 73 - 14

rate of westbound train = 59

Therefore, The speed of the westbound train is 59 miles per hour.

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Answer:

4:1

Step-by-step explanation:

Let the no. of goals Daniel scored be x

Hence,

No. of goals Joaquin scored = 4 x

No. of goals Daniel scored = x

Hence,

The ratio of the no. of goals scored by Joaquin to the no. of goals scored by Daniel

[tex]=\frac{4x}{1x}[/tex]

[tex]=\frac{4}{1} \\=4:1[/tex]

Answer:

x = 11

Step-by-step explanation:

I hope this helps!

36000000 x 2000 = 72000000000

Answer:

inches

Step-by-step explanation:

well depends on how big your foot is