The area of one face of a cube is 25 square centimeters. What is the volume, in cubic centimeters, of the cube?​

Answer:

see explanation

Step-by-step explanation:

to find the y- intercept, the point where the line crosses the y- axis.

Any point on the y- axis has an x- coordinate of zero.

let x = 0 in the equation and solve for y

- 4(0) + 7 = 2y - 3

0 + 7 = 2y - 3

7 = 2y - 3 ( add 3 to both sides )

10 = 2y ( divide both sides by 2 )

5 = y

then y- intercept = (0, 5 )

to find the x- intercept, the point where the line crosses the x- axis.

Any point on the x- axis has a y- coordinate of zero.

let y = 0 in the equation and solve for x

- 4x + 7 = 2(0) - 3

- 4x + 7 = 0 - 3

- 4x + 7 = - 3 ( subtract 7 from both sides )

- 4x = - 10 ( divide both sides by - 4 )

x = [tex]\frac{-10}{-4}[/tex] = [tex]\frac{10}{4}[/tex] = [tex]\frac{5}{2}[/tex]

then x- intercept = ( [tex]\frac{5}{2}[/tex], 0 ) or (2.5, 0 )

Answer:

the growth factor of the initial amount is correct

Answer:

Not a lot of information given but if you are looking for the difference in price it is 31 CHF

It is 31 more CHF in Manchester than in Switzerland.

Step-by-step explanation:

1.55(145) = 224.75

224.75-193.75 = 31

Step-by-step explanation:

last week = 15

this week 2o%

therefore =. last WK + this WK = 15×20÷100/1

= 300÷100/1=. 3

Diana scored 3point this week

For the given system of equations −x+4y = 8 & 2x+3y = −5

he proceed to the solution in following way,

Step 1:   Inv. of [tex]\left[\begin{array}{ccc}-1&4&\\2&3&\\&\end{array}\right][/tex] × [tex]\left[\begin{array}{ccc}8\\-5\\\end{array}\right][/tex]

Step 2:  -1/11 [tex]\left[\begin{array}{ccc}3&-4&\\-2&-1&\\\end{array}\right][/tex]

Step 3:  -1/11 [tex]\left[\begin{array}{ccc}-44\\11\\\end{array}\right][/tex]

Step 4:  [tex]\left[\begin{array}{ccc}-4\\1\\\end{array}\right][/tex]

Inverse matrix is a type of matrix which we get by taking the transpose of an adjoint matrix.

P⁻¹ = adj(P)/ |P|

|P| = Determinant of P

Property of inverse matrix,

P⁻¹×P = I

Given that,

system of equations

−x+4y = 8 & 2x+3y = −5

He multiplies the left side of the coefficient matrix by the inverse matrix

 Inv. of [tex]\left[\begin{array}{ccc}-1&4&\\2&3&\\&\end{array}\right][/tex]× [tex]\left[\begin{array}{ccc}-1&4&\\2&3&\\&\end{array}\right][/tex] [tex]\left[\begin{array}{ccc}x&\\y\\\end{array}\right][/tex] = Inv. of [tex]\left[\begin{array}{ccc}-1&4&\\2&3&\\&\end{array}\right][/tex]× [tex]\left[\begin{array}{ccc}8\\-5\\\end{array}\right][/tex]

By using property of inverse matrix

[tex]\left[\begin{array}{ccc}x&\\y\\\end{array}\right][/tex] =  -1/11 [tex]\left[\begin{array}{ccc}3&-4&\\-2&-1&\\\end{array}\right][/tex]× [tex]\left[\begin{array}{ccc}8\\-5\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}x&\\y\\\end{array}\right][/tex] =   -1/11 [tex]\left[\begin{array}{ccc}-44\\11\\\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}x&\\y\\\end{array}\right][/tex] =   [tex]\left[\begin{array}{ccc}-4\\1\\\end{array}\right][/tex]

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Answer: 1/2

Step-by-step explanation:

Slope = Δy/Δx = -3/-6 = 1/2

Answer:

Option A or 1 or   |-11.2 -4.7|

Step-by-step explanation:

Calculate the distance :

distance =

| 4.7 - (- 11.2) | =

| 4.7 + 11.2 | =

| 15.9 | =

15.9.

Should help

Answer:

  |-11.2 -4.7|

Step-by-step explanation:

You want the expression that represents the distance between 4.7 and -11.2 on a number line.

The distance on a number line is the positive difference between the coordinates of the points. Here, that would be either of ...

  |4.7 -(-11.2)|

or

  |-11.2 -4.7| . . . . . . matches an answer choice

__

Additional comment

Note that when we subtract the left coordinate from the right coordinate, the difference is already positive, so no absolute value function is needed.

The proportion for y is the value 6.9 to the nearest tenth value.

Proportions are defined as the concept where two or more ratios are set to be equal to each other.

Suppose we have two ratio p : q and r : s. If both these ratios are proportional, then we can write it as p: q : : r : s.

This is same as p : q = r : s or p/q = r/s

Given the proportional relation,

11 / y = 8 / 5

Doing the cross multiplication,

11 × 5 = 8y

55 = 8y

8y = 55

y = 6.875

To the nearest tenth, the value is 6.9.

Hence the y value to the nearest tenth is 6.9

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Answer:sThe symbol of the standard deviation of a random variable is "σ“, the symbol for a sample is "s". The standard deviation is always represented by the same unit of measurement as the variable in question. This makes its interpretation easier, compared to the variance.

Step-by-step explanation:

The expression that is different from "Add −4.5 and 3.5" will be "What is the distance between negative 4 point 5 and 3 point 5?"

An expression is simply used to show the relationship between the variables that are provided or the data given regarding an information. In this case, it is vital to note that they have at least two terms which have to be related by through an operator

In this case, the expression that is different from "Add −4.5 and 3.5" will be "What is the distance between negative 4 point 5 and 3 point 5?" This is because finding the distance simply means:

= -4.5 - 3.5

= -8.0

This is different from the initial value.

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Answer: 4.5

Step-by-step explanation: Those bars are absolute value. Hope it helps, please mark brainliest and give your thanks.

Answer:

6p + 3s = 500

p + s = 120

Step-by-step explanation:

p represents the parents and s represents the students

the total amount of tickets should be p and s, hence why they equal 120

The total cost should be 500, and each parent ticket is $6 while each student ticket is $3 hence the 6p and 3s

The expression of the weight carried by x hikers is x (3.4 + 4.6 + 2.2).

The weight carried by each hiker is 10.2 lb.

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

Three items are given.

The weight of each items are 3.4 lb, 4.6 lb, and 2.2 lb.

Now,

The total weight of all the items.

= 3.4 + 4.6 + 2.2

= 10.2 lb

The weight carried by x hikers.

= x (3.4 + 4.6 + 2.2)

= 10.2x lb

The weight carried by each hikers.

= 3.4 + 4.6 + 2.2

= 10.2 lb

Thus,

Weight carried by x hikers is 10.2x lb.

Weight carried by each hiker is 10.2 lb.

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The proof of the given question is given in the solution as follows

A technique for factoring a number or a polynomial is called factorisation. The polynomials are divided into the sums of their component parts. As an illustration, x2 + 2x may be factored as x(x + 2), where x and x+2 are the factors that can be multiplied to obtain the original polynomial.

The six types of factoring are: greatest common factor, difference in two squares, grouping, sum or difference in two cubes, trinomials, and general trinomials.

In the given equation

we separate m2-1/n2 to (a+b)(a-b) form

and hence we get the answer as

(n+1/m)^m-n/(m-1/n)^m-n

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Answer:5441 is the population increase per year and 123,000 is when we start added the population increase. to get this equation i found the population increase between 2007 and 1990 which is 215,500-123,000 which is 92,500. to find the population increase per year you divide that by 17 which is the difference between 2007 and 1990 and you would get 5441.176. but since you can have part of a person i rounded it to 5441.

Step-by-step explanation:

Answer:

The linear equation representing the population growth since 1990 is p = 92t + 123000.

Where p is the population, 92 is the growth rate (215500-123000)/(2007-1990), and t is the years after 1990.

Step-by-step explanation:

Answer:

Tabitha's commission would be 6% of the total sales from the three cars

Step-by-step explanation:

which is $(23,000 + 13,800 + 25,760) * 0.06 = $3,638.40

Answer:

Oreos is a better deal by lower unit price But i like Nutter Butters

Step-by-step explanation:

A package of Oreos is a better deal because it has a lower unit price per ounce. Oreos have a unit price of $0.19 per ounce, while Nutter Butters have a unit price of $0.21 per ounce.

IQ scores are normally distributed with mean mu equals 100 and standard deviation sigma equals 15. the standard deviation of the sampling distribution is 3.

Generally, The standard deviation of the sampling distribution, also known as the standard error, can be calculated using the formula:

standard error = (standard deviation of population) / (sqrt(sample size)).

In this case, the standard deviation of the population is 15, and the sample size is 25. So the standard error would be:

15 / sqrt(25) = 15 / 5 = 3

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The requried ratio of boys in the club to girls is given as 7/9 or 7:9. Option A is correct.

The ratio can be defined as the proportion of the fraction of one quantity towards others. e.g.- water in milk.

Here,
The conservation club has 32 members. There are 18 girls in the club.
Number of boys = 32 - 18 = 14
Ratio of boys to girls = number of boys / number of girls
                                = 14 / 18 = 7/9

Thus, the requried ratio of boys in the club to girls is given as 7/9 or 7:9. Option A is correct.

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The value of information is directly related to how it assists decision makers in achieving the goals of the company. -Differentiate data from information and define the features used to assess data quality.

The value of information in decision analysis is the improvement in the consequences of our actions that we would expect if we could minimise or remove uncertainty before making a choice.

The value of information is determined by the influence of a choice on achieving the organization's goals and enhancing its profit-ability.

Management information systems give information on the organization's relative position and the underlying factors at work. It offers the necessary information for decision making and assists businesses in carrying out their control, planning, and operational activities successfully.

The interaction between information systems and decision making is a major problem in the subject of information systems (IS).

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Answer: 4 1/3

Step-by-step explanation:

(12 + 1) 3 = 12 3 + 1 3 = 4 + 1 3 = 4 1 3 13 3 = 4 1 3 Hence, 13/3 as a mixed number is 4 1/3

For the Given Parallelogram: AC¯≅BD¯;AC¯⊥BD¯

The parallelogram is not a square because the statement "AC¯≅BD¯;AC¯⊥BD¯" means that opposite sides of the parallelogram are congruent and perpendicular but it's not enough to say that the parallelogram is a square, In a square, all four sides are congruent, and the diagonal bisect each other at right angles.

For the first Theorem, AC¯≅BD¯, congruent figures' corresponding sides are congruent(CPCTC) while the AC¯⊥BD¯ Theorem have opposite angles of a parallelogram that is useful (Parallelogram Opposite angles Theorem).

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Answer:

-18

Step-by-step explanation:

-3-15=-18

The actual length of the train is calculated to be 18.33 feet

Scale factors are used to increase or decrease image. The situation of increment is usually called enlargement, and it is case for the problem.

solving for the factor, assuming the factor is k, using the ratio 1 : 40.  the scale factor is 40 / 1 = 40

Solving for the actual length

actual length =  scale facto * model length

actual length = k * 5.5 in

actual length = 40 * 5.5 in

actual length = 220 in

converting to feet

12 in = 1 foot

220 in = ?

cross multiplying

12 * ? = 220

? = 220 / 12

? = 18.33 feet

the actual length of the train is 18.33 feet

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Answer:

27 cm^2

Step-by-step explanation:

The formula for finding area of trapezoid:

[tex] \frac{a + b}{2} \times h[/tex]

[tex] \frac{6 + 12}{2} \times 3 = 27[/tex]

So the answer is 27 cm^2

Explanation:

The shorter side lengths 3 and 3 add to 3+3 = 6, which is not larger than the remaining side 9. This is why a triangle is not possible.

For a triangle to be possible, we need the sum of any two sides to be larger than the third side. Refer to the triangle inequality theorem.

I recommend making slips of paper that are 3 inches, 3 inches, and 9 inches long (or replace "inches" with "centimeters"). Then try to make a triangle with those slips of paper. You should find such a task is impossible: as mentioned, the 3 inch sides come up short when trying to attach to the 9 inch side.

The statement "It's not possible to build a triangle with side lengths of 3, 3, and 9" is true.

A triangle is a 2-D figure with three sides and three angles.

The sum of the angles is 180 degrees.

We can have an obtuse triangle, an acute triangle, or a right triangle.

We have,

A triangle cannot be formed with side lengths of 3, 3, and 9.

To form a triangle, the sum of the lengths of any two sides must be greater than the length of the third side.

However, in this case, the sum of the lengths of any two sides is 3+3=6, which is less than the length of the third side, 9.

Therefore, it is not possible to form a triangle with side lengths of 3, 3, and 9.

Thus,

The statement "It's not possible to build a triangle with side lengths of 3, 3, and 9" is true.

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Answer:  The ocean liner is approximately 5.2 miles from the fishing boat.

The equation to find the number of leaves which Aidan has now, n is given by 8 × 12 - 7 = n.

In Mathematics, an equation can be defined as a mathematical expression which shows that two (2) or more thing are equal.

Next, we would write the equation that gives n, the number of leaves Aidan would have after collecting leaves for an art project as follows:

The number of leaves that Aidan collected from 8 different trees is equal to 8 leaves. Additionally, Aidan picks 12 leaves from each tree to have a total of 96;

n = 8 × 12 = 96.

Lastly, Aidan lost 7 leaves on his way home. Therefore, we would subtract 7 leaves from the total number of leaves that Aidan collected from 8 different trees;

n = 96 - 7 = 89 leaves.

In conclusion, the complete equation is represented by 8 × 12 - 7 = n.

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The inequality h ≤ 8 represents the number of hours, Carmen works on the job.  

In mathematics, "inequality" refers to a relationship between two expressions or values that are not equal to each other. To solve the inequality, you may multiply or divide each side by the same positive number, add the same amount to each side, take the same amount away from each side, and more. You must flip the inequality sign if you multiply or divide either side by a negative number.

Given:

On Saturday, Carmen works no more than 8 hours at her job.

Let h be the number of hours, he works on the job.

According to the question,

h ≤ 8.

That means,

Carmen works less than or equals to 8 hours.

Therefore, the inequality is h ≤ 8.

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