how to solve the Quadratic formul​

Answer:

if its for factor, we have (x+1)(x+5), if its for formula, its x=-1, -5

Step-by-step explanation:

Three options which are included in an individual's personal assets are cash amount , property in any form and any other investment which can be converted cash in future.

Therefore, the three options representing the individuals personal assets are cash amount, property in any form, and investment converted into cash.

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As per the following graph, if y = 0,then it makes the horizontal line on graph.

The term graph in math is defined as the visual representation of data or equation.

Here we have given that the value of y = 0.

Here we know that the slope of a horizontal line is zero while the slope of a vertical line is undefined.

Here the following Slopes represent a line's ratio of vertical change to horizontal change.

Whereas horizontal and vertical lines remain constant and never increase or decrease, they're merely straight lines.

Here we have also know that the Horizontal lines have no steepness at all.

Therefore if y=0 is the linear equation to denote the x - axis, then all the points on the x- axis, have their y co-ordinate as 0.

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Answer:

The line does not represent a direct variation because it does not go through the origin.

Answer:
y = 1/9 + 2/9x

Step-by-step explanation:

9y - 2x = 1

9y = 1 + 2x             (get rid of x)

y = 1/9 + 2/9x        (divide 9 on both sides)

Answer:

7/4

Step-by-step explanation:

9/2 - 11/4

Get a common denominator of 4

9/2 *2/2  - 11/4

18/4 - 11/4

7/4

Answer:

The answer is 7/4

Step-by-step explanation:

9/2 - 11/4

Here, we will Cross Multiply

9/2 - 11/4

9 × 4 - 11 × 2 ÷ 4 × 2

36 - 22 ÷ 8

14 ÷ 8 = 7/4

Thus, The answer is 7/4

-TheUnknownScientist

Answer: look at the picture

Step-by-step explanation: Hope this help :D

Answer: positive

Step-by-step explanation:

4/1=4

Answer:

Positive!

Step-by-step explanation:

4 ÷ 1 = 4 hope that helps!

Answer: D. 3/40

Step-by-step explanation:

There is a 6/30 chance that Cara got a date that was a multiple of 5 since there are 6 multiples of 5 in a matter of the 30 days of June (5, 10, 15, 20, 25, 30). There is also a 3/8 chance that she will chose a vowel in the word MATHLETE since there are 3 vowels within these 8 letters (A, E, E). With this information, you must multiply the fractions of 6/30 and 3/8 together in order to find the probability of chosing both a multile of 5 as well as a vowel. This can be done by multiplying the numerators together and the denonimators together and then simplifying the fraction to receive an answer of 3/40.

Answer:

Step-by-step explanation:

You want the cost of each item when person A buys 10 granola bars and 6 cups of yogurt for $18, and person B buys 5 granola bars and 4 cups of yogurt for $9.50.

The equations describing the relations can be written ...

  10g +6y = 18 . . . . . . . person A's purchase

  5g +4y = 9.50 . . . . . . person B's purchase

Subtracting half of the first equation from the second, we find ...

  (5g +4y) -1/2(10g +6y) = (9.50) -1/2(18)

  y = 0.50 . . . . . . . . . . simplify

Substituting this into the first equation gives ...

  10g +6(0.50) = 18

  10g = 15 . . . . . . . . . . subtract 3

  g = 1.50 . . . . . . . . . divide by 10

Each granola bar costs $1.50; each cup of yogurt costs $0.50.

__

Additional comment

The attachment shows the solution found using a calculator to find the reduced row-echelon form of the augmented coefficient matrix. The variable values are in the right column of the reduced matrix. This tells us granola bars are $1.50, and yogurt cups are $0.50, as we found above.

Answer:

$7000

Step-by-step explanation:

1. Approach

To solve this problem, one must first find the amount of interest paid in (1) year, then set up a proportion to find out the amount of money that was taken out in the loan. It is given that the interest rate is (4%), and the interest paid after (3) years is ($840).

2.Find the amount paid in 1 year

First, one must find the interest paid in (1) year, this can be done by dividing the interest paid in (3) years by (3).

840 ÷ 3 = 280

3.Find the original amount in the loan

Now set up the proportion, remember, the general format for a proportion is the following,

[tex]\frac{part}{whole}=\frac{percent}{100}[/tex]

Substitute in the given parameters,

[tex]\frac{intereset}{loan}=\frac{rate}{100}[/tex]

Substitute in the values of the parameters,

[tex]\frac{280}{loan}=\frac{4}{100}[/tex]

Cross products,

[tex]28000=4(loan)[/tex]

Inverse operations,

[tex]7000=loan[/tex]

Answer:

17.85

Step-by-step explanation:

175% * 10.20 = 17.85

Answer:

A , B , D , F

Step-by-step explanation:

Answer:

a. Replace "a number" with the variable, n.

b. The two operations are multiplication and addition.

d. The constants are 6 and 9.

f. The expression is written as 6(9 + n).

Step-by-step explanation:

Answer:

you need to give the question

Step-by-step explanation:

there is no question

The area of a square playground which has a side measures 40metres would be 100[tex]m^2[/tex].

step1

Perimeter of square = 40m

We have given that perimeter of square is 40m. To find its area, we have to calculate its side first.

Perimeter of square = 4× side

Substituting values in formula

Area of square = 4 × side

=> 40 = 4 × side

=> side = 40÷4

=> side = 10m

Side of square is 10m.

step 2

Calculating area of square :

We found that side of square is 10m. To find it area, required formula is:

Area of square = (side)²

To find area, substitute values in formula :-

Substituting values in formula :-

Area of square = (side)²

=> Area of square = (10)²

=> Area of square = 10 × 10

=> Area of square = 100m

so if the perimeter of square is 40m then the area is 100m.

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The option that is not involved in proving the converse of the Pythagorean theorem is D. substitution and contradiction

A right triangle's three sides are related in Euclidean geometry by the Pythagorean theorem, also known as Pythagoras' theorem. According to this statement, the areas of the squares on the other two sides add up to the area of the square whose side is the hypotenuse.

The converse of Pythagoras' Theorem states that a triangle must have a right angle if the square of one side equals the sum of the squares of the other two sides.

In this case, contradiction isn't involved. The correct option is D.

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Answer: Each candy bar cost's $5

Step-by-step explanation:

Equation is 4+ 5x=29

                   -4         -4       which makes it

                    5x= 25             then you divide by 5

                    which makes it x=5 so it costs 5 $ per candy bar

The two examples of the solution are sugar water, and soda water.

The term solution is defined as a homogeneous mixture of two or more components in which the particle size is smaller than 1 nm.

Here according to the definition of solution, here we know that Common examples of solutions are sugar in water and salt in water solutions, soda water, etc.

As we all know that the solutions have two components, one is solvent and the other is solute.

Here the components, that is the component that dissolves the other component is called the solvent where as the component(s) that is/are dissolved in the solvent is/are called solute(s).

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The solution for the given system of equations is (-1, 2).

A system of linear equations consists of two or more equations made up of two or more variables such that all equations in the system are considered simultaneously. The solution to a system of linear equations in two variables is any ordered pair that satisfies each equation independently.

The given system of linear equations are y=-3x-1 ------(I) and 4x+3y=2 ------(II).

Substitute y=-3x-1 in equation (II), we get

4x+3(-3x-1)=2

4x-9x-3=2

-5x=5

x=-1

Substitute x=-1 in equation (I), we get

y=-3(-1)-1

y=2

Therefore, the solution for the given system of equations is (-1, 2).

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Answer:

x = 6

Step-by-step explanation:

The answer is 4cd/3b

hope it's correct

Answer:

Step-by-step explanation:

SA for a sphere = 4pi(radius)^2

V for a sphere = 4/3pi(radius)^3

A golf ball is a sphere and its radiusm is 1.68/2 = 0.84 in.

So SA = 4pi(0.84)^2 = 8.87 in^2

V = 4/3pi(0.84)^3 = 2.48 in^3

Answer:

He is incorrect. If you want 12 to be half of the book the other number would have to be twenty four.

Answer:

incorrect

Step-by-step explanation:

it has to be 12.5 to be exactly half way done with it

Anael can not use the fourth board measurement. This can be solved by using the concept of inch scale.

A centimeter is smaller than an inch. On the other side of the centimeter ruler, inches are denoted by the large, continuous hash marks that are inscribed above the digits. On a ruler, the inch is the largest unit and is denoted by the longest line. There is a number next to each 1-inch line on the ruler that designates.

Since the international yard was adopted in the 1950's and 1960's, standards for the precise length of an inch have fluctuated, but the inch is now based on the metric system and is defined as precisely 25.4 mm.

The question given here,

the first board measurement: [tex]99\frac{3}{4} =[/tex] 99 inch ± 0.75 inch

the second board measurement: [tex]99\frac{7}{8} =[/tex] 99 inch ± 0.875 inch

the third board measurement: [tex]100\frac{1}{6} =[/tex] 100 inch ± 0.16 inch

the fourth board measurement: [tex]100\frac{5}{16} =[/tex] 100 inch ± 0.3125 inch

the fifth board measurement: [tex]99\frac{13}{16} =[/tex] 99 inch ± 0.8125 inch

Thus, Anael can not use the fourth board measurement.

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Answer:

27.2 cm

Step-by-step explanation:

14 cm / 2.5 = 5.6 cm, and

20 cm / 2.5 = 8 cm.

Then the new perimeter would be P = 2L + 2W, or, in this case:

P = 2(8 cm) + 2(5.6 cm) = 27.2 cm

The correct answer is option A. For P= -1/2 0 1/2 1/2 0 -1/2 0 0 1 D= 0 4 0 0 0 4 -1 0 0. The matrix can be diagonalized using the eigenvectors.

To diagonalize the matrix, the eigenvectors must be found first. The eigenvectors can be found by solving the characteristic equation and finding the eigenvalues. The eigenvalues of the matrix are 2 and -1. The eigenvectors associated with each eigenvalue are determined by solving the eigenvalue equation.

The eigenvectors for the matrix are [1, -2], [1, 2], [1, 0], and [0, 1]. After the eigenvectors are found, the matrix can be diagonalized by constructing the transformation matrix P. The transformation matrix P is composed of the normalized eigenvectors. The transformation matrix P is: P=[-1/2, 0, 1/2, 1/2, 0, -1/2, 0, 0, 1], and the diagonal matrix D is composed of the eigenvalues.

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Answer:

They will meet in 1 hour

Step-by-step explanation:

(1)  d = 10t

(2)  d - 8t = 2   rearrange this equation to:  d = 8t + 2

Set equation (1) equal to equation (2):

10t = 8t + 2

Solve for t:

10t - 8t = 2

2t = 2

t = 2/2 = 1 hr

Step-by-step explanation:

You only Sent Options... Can't see no question there

sry not problem you sent options

Answer:

Step-by-step explanation:80085

Answer:

Graph 1: No

Graph 2: No

Graph 3: No

Graph 4: Yes

Graph 5: No

Graph 6: Yes

Step-by-step explanation: To figure out whether a graph is a function, you need to give each graph a Vertical Line Test. All you need to do is see if more than one point is on the same line whenever a vertical line is placed. If there is more than one point on any vertical line that you drew, it's not a function.

Hope this helps! :)

Answer:

34.2

Step-by-step explanation: