the ratio 20 miunte to 1 hour can be written in the form of 1:n find the value of n

Answer:

That is true.

Answer: True

Step-by-step explanation:

due to the fact that its 2 and every time you multiply by the factor itll equal a even number

Answer:

80%

Step-by-step explanation:

96.3 - 53.5 = 42.8

42.8 / 53.5 = 0.8

0.8 × 100 = 80%

By the squeeze theοrem, lim f(x) = 0 as x apprοaches -5.

The squeeze theοrem, alsο knοwn as the sandwich theοrem, is a theοrem in calculus that allοws us tο find the limit οf a functiοn using the limits οf twο οther functiοns that "squeeze" the οriginal functiοn between them.

We have the inequality:

-2x² - 20x - 51 ≤ f(x) ≤ 2x² + 20x + 49

We can rewrite this inequality as:

-2(x+5)(x+4.5) ≤ f(x) ≤ 2(x+5)(x+4.5) + 1

Nοte that we have factοred -2x² - 20x - 51 as -2(x+5)(x+4.5) and 2x² + 20x + 49 as 2(x+5)(x+4.5) + 1.

As x apprοaches -5, we can see that (x+5) and (x+4.5) apprοach 0, sο we have:

-2(0)(0) ≤ lim f(x) ≤ 2(0)(0) + 1

0 ≤ lim f(x) ≤ 1

Therefοre, by the squeeze theοrem, we have:

lim f(x) = 0 as x apprοaches -5.

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According to the question the solution to the inequality is x < 6.

Inequality is the unequal distribution of resources, rights, and opportunities among individuals or groups in a society. It is a form of systemic injustice that can take on many forms, such as economic, social, and political. Economic inequality is when people have unequal access to resources such as wealth, income, and education; social inequality is when people have unequal access to social opportunities and resources such as political power, public services, and health care; and political inequality is when people have unequal access to the political process and decision-making, such as voting rights and other forms of representation.

To solve this inequality, we need to isolate the variable on one side. First, let's subtract 8 from both sides:
-4x + 8 > -16
-4x > -24
Now, divide both sides by -4:
-4x/-4 > -24/-4
x < 6
Therefore, the solution to the inequality is x < 6.

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Standard form of a polynomial expression is a way of writing the expression in descending order of the powers of the variable, starting with the highest power and ending with the constant. In this case, the polynomial expression is - 6 - 7x ^ (2) + 8x ^ (5).

In standard form, this expression can be written as 8x ^ (5) -7x ^ (2) - 6. This expression indicates that 8 is the coefficient of the highest power, x ^ (5). The coefficient of the second highest power, x ^ (2) is -7, and the coefficient of the constant, the term with no variable, is -6.

Standard form is useful for simplifying polynomial expressions, as it helps to clearly illustrate the coefficients of each term. It is also useful for graphing polynomials, as the order of the terms can be clearly seen.

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The total expected cost of Alice's train ride will be 20 Euro with a fine of 300 Euro if ticket checked and 0 fine if ticket not checked.

It is known to us that Alice is riding the train, and that she accidentally purchased a ticket for zone 4, although she has to be traveling to zone 5,

with this we need to find how much money can Alice expect to pay

since we know that there is a 5 percent chance that the transit authorities will check tickets,

Probability to check ticket = 5/100 = 0.05

fine = 300 euro

probability to not check ticket = 1 - 0.05 = 0.95

we know that she has already spent 5 Euro on the ticket,

there is a 300 Euro fine if ticket checked,

and 0 fine if ticket not checked,

Expected cost to pay = 5 + 0.05 × 300 + 0.95 × 0

= 5 + 15 + 0

= 20 Euro

Alice Expected to Pay = 20 Euro

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The result of alternately adding and subtracting the terms in the nth row of Pascal's triangle is given by the formula

[tex]n C 0 - n C 1 + n C 2 - ... + (-1)^n \times n C n = 0.[/tex]

The binomial theorem and patterns in Pascal's triangle can be used to simplify the given expressions.

Here are the simplified versions of each expression:

9 C 0 + 9 C 1 +…+ 9 C 9 = 2^9 = 512

12 C 0 − 12 C 1 + 12 C 2 −…− 12 C 11 + 12 C 12 = 0

r=0 ∑ 15 15 C r = 2^15 = 32768

r=0 ∑ n n C r = 2^n

If r=0 ∑ n n C r = 16384, then [tex]2^n[/tex] = 16384, so n = 14.

The sum of the squares of the terms in the nth row of Pascal's triangle is given by the formula:

[tex](n C 0)^2 + (n C 1)^2 + ... + (n C n)^2 = 2^{(2n-1).[/tex]

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A cluster sample will: b. Seek views from a homogeneous group in the population

A cluster sample is a type of sampling method where the entire population is divided into groups, or clusters, and a random sample of these clusters are selected for the study. Each cluster is typically a homogeneous group, meaning that the individuals within the cluster are similar to each other in some way. For example, a cluster sample might be used to study the opinions of students at a particular school, where each class is a cluster and a random sample of classes are selected for the study. By selecting a homogeneous group, the researcher can ensure that the sample is representative of the population and can generalize the results to the larger population.

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In half an hour, Ellie can cover 12 books.

To find out how many books Ellie can cover in half an hour, we need to use proportions.

We know that Ellie can cover 2 books in 5 minutes, so we can set up a proportion like this:
2 books / 5 minutes = x books / 30 minutes

Cross-multiplying and solving for x, we get:
5 minutes * x books = 2 books * 30 minutes
5x = 60
x = 12

So, Ellie can cover 12 books in half an hour.

To summarize, if Ellie can cover 2 books in 5 minutes, we can find out how many books she can cover in half an hour by dividing the total time (30 minutes) by the time it takes her to cover 2 books (5 minutes) and then multiplying the result by the number of books she can cover in 5 minutes (2). This gives us 12 books, which is the number of books Ellie can cover in half an hour.

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The value of CB and DB are 3.25 and 5.2

Similar triangles are triangles that have the same shape, but their sizes may vary. All equilateral triangles, squares of any side lengths are examples of similar objects. In other words, if two triangles are similar, then their corresponding angles are congruent and corresponding sides are in equal proportion.

CA = √ 4²+3²

CA = √ 16+9

CA = √ 25

CA = 5

represent DB by x

5/3+x = 4/5

25 = 4(3+x)

3+x = 25/4

3+x = 6.25

x = 6.25 - 3

x = 3.25

represent CB by y

y² = 3.25² + 4²

y²= 10.56+16

y² = 26.56

y = √ 26.56

y = 5.2

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B is the right response: (6 + 4) 2 = 20.

We must analyse each expression and compare them in order to determine which number statement is correct.

starting with the formula A (6 + 4 2 = 6 + 8 = 14)

Let's now assess expression B:

(6 + 4) × 2 = 10 × 2 = 20

Expression in C: 6 + 4 2 = 6 + 2 =

The final expression is D (6 + 4) 2 = 10 2 = 5.

The values of the expressions can now be compared to determine which number sentence is correct.

As can be seen, expression B is the real number sentence because it has the highest value of all the expressions. As a result, B is the right response: (6 + 4) 2 = 20.

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The correct answer is Option c. The test statistic has the value 3.361 and hence the correlation is significant. Since the test statistic (2.824) is lower than the critical value (2.824), the correlation is not significant.

The sample correlation coefficient, r, estimates the population correlation coefficient, ρ. It indicates how closely a scattergram of x,y points cluster about a 45° straight line.

The test statistic has the value 2.824 and hence the correlation is not significant. To test the significance of the correlation, the economist needs to compare the sample correlation coefficient to the critical value of the correlation coefficient. In this case, the critical value of 0.4165 with a sample size of 40 and a 5% level of significance is 2.824.

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The values of 'x' in |3x + 4| > 6, is, x > 3/2 or x < - 10/3.

We know the absolute value function of the modulus function always outputs a positive value irrespective of the sign of the input.

In piecewise terms  | x | = x for x ≥ 0 and | x | = - x for x < 0.

We know, If |x| > a, Then x > a or x < - a.

Given, |3x + 4| > 6.

Therefore,

3x + 4 > 6 or 3x + 4 < - 6.

3x > 2 or 3x < - 10.

x > 3/2 or x < - 10/3.

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Answer:

Third Option
84 cm²

Step-by-step explanation:

Split the composite figure into two rectangles as shown in the figure

One rectangle has length 12 and width 5 giving an area of 12 x 5 = 60

The other rectangle has length 6 and width 4 giving an area of 6 x 4 = 24

Total area = 60 + 24 = 84 cm²

Third Option

Answer:

Step-by-step explanation:

We can rewrite the situation using cost equations for the two companies

If c1 and c2 represent the total costs for companies 1 and 2 respectively and w the weight of sugar transported

For the first company we have
c1 = 2804 + 100.50w

For the second company
c2 = 275.75w

Costs are the same when c1 = c2

or

2804 + 100.50w = 275.75w

To Solve:

At 16 tons of sugar, the costs will be the same for both companies

At this tonnage, the cost is
275.75 x 16 = $4412

Answer:

A: 24, B: 12, C: 28, D: 24. Hope this helps

Step-by-step explanation:

Part A:

168/3 = 56

Therefore, Chad is driving the car in 56 mph.

672/56 = 12

Therefore, Chad drives 672 miles in 12 hours.

308/11 = 28

Therefore, Chad drives 28 miles per gallon of gas.

672/28 = 24

Therefore, Chad uses 24 gallons of gas to drive 672 miles.

Part B:

12 hours, you can use proportions, miles/hours.

[tex]\frac{56}{1}[/tex]= [tex]\frac{672}{x}[/tex]

x = 12

Part C:

divide the miles driven by Chad (308 miles ) by the number of gallons used (11 gallons).

308 miles / 11 gallons =28 miles per gallon

Chad's car gets 28 miles per gallon.

Part D:

[tex]\frac{28}{1} = \frac{672}{x} \\[/tex]

28x = 672

x = 672/28 = 24

24 gallons

Answer: A=56 B=12 C=28 and D=24

Step-by-step explanation:

A. Chad drove 168 miles in 3 hours

    In 1 hour he drove          168÷3

                                          = 56 Miles

B. We know,

    Covering 56 miles takes 1 hour

    So, It will take to cover 672 miles
                                           = 672÷56

                                           = 12 Hours

C. We know,

    Chad drove 308 miles with 11 gallons of gas

    So, miles per gallon chads car gave him 308÷11

                                                                       = 28 Miles Per Gallon.

D. We know,

   Chad car gives him 28 miles per gallon

   So, To cover 672 miles

   Chad needs                                            = 672÷28

                                                                    = 24 Gallons.

NOTE: Its simple math kiddo, do better in school

The possible number of positive real zeros for the given polynomial function is 2 or 0.

To determine how many positive real zeros the polynomial function may have, we can use Descartes' Rule of Signs.

Descartes' Rule of Signs states that the number of positive real zeros of a polynomial function is equal to the number of sign changes in the coefficients of the terms, or less than that number by an even integer.

In the given polynomial function, f(x)=-7x^(7)+x^(3)-x^(2)+1, there are two sign changes in the coefficients of the terms: from -7 to +1 and from +1 to -1.

Therefore, the polynomial function may have 2 positive real zeros or 2-2=0 positive real zeros.

So, the possible number of positive real zeros for the given polynomial function is 2 or 0.

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For the equation -3/2x² = x + 1 the solution set is option D: {(-1 + √5)/3, (-1 - √5)/3}.

What is an equation?

A mathematical definition of an equation is a claim that two expressions are equal when they are joined by the equals sign ("=").

To solve the equation -3/2x² = x + 1, we need to move all the terms to one side to get a quadratic equation in standard form.

We can do this by adding 3/2x² and subtracting 1 from both sides -

-3/2x² - x - 1 = 0

To solve this quadratic equation, we can use the quadratic formula -

x = (-b ± √(b² - 4ac)) / 2a

where a = -3/2, b = -1, and c = -1.

Substituting these values, we get -

x = (-(-1) ± √((-1)² - 4(-3/2)(-1))) / 2(-3/2)

x = (1 ± √(1 - 6)) / (-3)

x = (1 ± √5) / (-3)

So the set of solutions for the equation is -

{(-1 ± √5) / 3, (-1 ± √5) / 3}

Therefore, the answer is option {(-1 + √5)/3, (-1 - √5)/3}.

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Answer:

Step-by-step explanation:

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Answer:

1

Step-by-step explanation:

3 - 2 = 1

Isosceles trapezoid MNOP where MO = a + 13 and NP = 2a - 1,  The value of a 13.

A trapezoid, also known as a trapezium, is a four-sided polygon with two parallel sides, also called the bases. The non-parallel sides are called legs, and they can have different lengths. The parallel sides are perpendicular to the legs

In an isosceles trapezoid, the nonparallel sides are congruent, so we have MN = OP.

Also, the diagonal PN divides the trapezoid into two congruent right triangles, so we have:

[tex]MN^2 = (NP - MO)^2 + (MP)^2[/tex]

Substituting the given values, we get:

[tex]MN^2 = (2a - 1 - (a + 13))^2 + MP^2[/tex]

[tex]MN^2 = (a - 14)^2 + MP^2[/tex]

But since MN =OP and MO = NP - MN, we have:

[tex]OP = NP - MO = (2a - 1) - (a + 13) = a - 12[/tex]

So we also have:

[tex]OP^2 = (a - 12)^2 + MP^2[/tex]

Since MN = OP, we can set these two equations equal to each other:

[tex](a - 14)^2 + MP^2 = (a - 12)^2 + MP^2[/tex]

Simplifying and solving for a, we get:

[tex]a^2 - 28a + 197 = a^2 - 24a + 144[/tex]

[tex]4a = 53[/tex]

[tex]a = 13.25[/tex]

Therefore, the value of a is 13.25.

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Therefore , the solution of the given problem of equation comes out to be equation y = -2x in standard notation

The very same variable letter is frequently used in mathematical formulas to attempt to impose harmony between two assertions. Mathematical equations, also referred to as assertions, are used to demonstrate the equality of many academic figures. Utilizing y + 6 as such an example, the normalise multiplies b + 6 in place of dividing 12 into two portions. The link integer among each sign component and the line length can be found. A symbol's meaning typically runs counter to itself.

Here,

The x element needs to be moved to the left and the equation needs to be written with integer coefficients in order to change the equation y = -2x in to other standard form (Ax + By = C).

With y = -2x as a starting point, we can add 2x to both sides to get:

2x + y = 0

With A = 2, B = 1, and C = 0, we now have the equation Ax Plus By = C. By multiplying both sides by -1, we can make the factors integers:

-2x - y = 0

This is the equation y = -2x in standard notation.

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The sοlutiοn οf the given prοblem οf equatiοn cοmes οut tο be equatiοn 2x + y = 0 in standard nοtatiοn. Thus, the correct option is 1.

The very same variable letter is frequently used in mathematical fοrmulas tο attempt tο impοse harmοny between twο assertiοns. Mathematical equatiοns, alsο referred tο as assertiοns, are used tο demοnstrate the equality οf many academic figures. Utilizing y + 6 as such an example, the nοrmalise multiplies b + 6 in place οf dividing 12 intο twο pοrtiοns. The link integer amοng each sign cοmpοnent and the line length can be fοund. A symbοl's meaning typically runs cοunter tο itself.

Here,

The x element needs tο be mοved tο the left and the equatiοn needs tο be written with integer cοefficients in οrder tο change the equatiοn y = -2x in tο οther standard fοrm (Ax + By = C).

With y = -2x as a starting pοint, we can add 2x tο bοth sides tο get:

2x + y = 0

With A = 2, B = 1, and C = 0, we nοw have the equatiοn Ax Plus By = C. By multiplying bοth sides by -1, we can make the factοrs integers:

2x + y = 0

This is the equatiοn 2x + y = 0 in standard nοtatiοn.

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Complete question:

Convert the following equation into standard form.

y = -2x.

[select from given choices]

G is linear.

To show that g:V→F defined by g(x)=⟨x,y⟩ for all x∈V is linear, we need to prove that g satisfies the following two properties:

1) g(x+z)=g(x)+g(z) for all x,z∈V
2) g(αx)=αg(x) for all x∈V and α∈F

Proof:

1) Let x,z∈V. Then g(x+z)=⟨x+z,y⟩=⟨x,y⟩+⟨z,y⟩=g(x)+g(z) by the distributive property of the inner product.

2) Let x∈V and α∈F. Then g(αx)=⟨αx,y⟩=α⟨x,y⟩=αg(x) by the scalar multiplication property of the inner product.

Therefore, g is linear.

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Christine will pay $6.30 for shipping and handling for the lawn mower.

To find the amount of shipping and handling Christine will pay, we can use the formula:

Shipping and Handling = Price x 10%

Substituting the given values into the formula, we get:

Shipping and Handling = $63 x 10%

Simplifying the equation, we get:

Shipping and Handling = $6.30

Therefore, Christine will pay $6.30 for shipping and handling for the lawn mower.

The percentage represents a certain amount, expressed as a fraction of 100 equal parts.

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Answer:

x= -4
y=1

Step-by-step explanation:

-7x + 6y = 34

7x+ 4y =-24
You would add them up together

-7 +7x cancels out. 6y+4y = 10y
34+ (-)24 = 34 - 24 = 10
y= 1
substitute y
7x + 4 = -24
7x= -28
x=-4

Step-by-step explanation:

what is the question ?

to solve this system of 2 equating in 2 variables ?

if so, we start by adding both equations :

-7x + 6y = 34

7x + 4y = -24

----------------------

0 + 10y = 10

y = 1

with that we go into one of the original equations (it did not matter which one, I like the second better) :

7x + 4×1 = -24

7x + 4 = -24

7x = -28

x = -4

The equation of the area of the square is x² + 6x = 1, it is in the form x² + 6x = a where a is 1 and a constant to be found.

A regular quadrilateral is square. A square has equal lengths on each of its four sides and angles. Each of the four angles is 90 degrees, or a right angle. The two adjacent sides of a square are equal in length, making it a particular instance of a rectangle.

Its attributes are: Each of its four sides is the same length.

Each of its four angles has the same dimensions.

At right angles, or 90°, the two diagonals split in half.

A square has two opposed sides that are equally long and parallel.

A square's diagonal lengths are equal.

The length of the side of the given square is 3 + x.

The area of the square is given as:

A = (s)(s)

Substituting the value of the side and area we have:

10 = (3 + x)(3 + x)

10 = 9 + 3x + 3x + x²

x² + 6x = 10 - 9

x² + 6x = 1

Hence, the equation of the area of the square is x² + 6x = 1, it is in the form x² + 6x = a where a is 1 and a constant to be found.

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The number of residents in a city is a discrete variable with ratio level of measurement. Therefore, the correct option is option 3. When a pair of dice are rolled, the pair of mutually exclusive events are getting an odd number on the first die; getting a 4 on the second die. Therefore, the correct option is option 2.

The number of residents in a city is a discrete variable because it can only take on whole number values. The level of measurement for this variable is ratio level because there is a true zero point (a city with zero residents) and the differences between values are meaningful. Therefore, the correct answer is discrete, ratio level which is the third option.

Mutually exclusive events are events that cannot occur at the same time. In the case of rolling a pair of dice, the pair of mutually exclusive events is "Getting an odd number on the first die; getting a 4 on the second die." This is because if the first die is an odd number, the second die cannot be a 4 at the same time.

The other options are not mutually exclusive because they can occur at the same time. For example, it is possible to get an even number on the first die and a double 5 at the same time. Therefore, the correct answer is "Getting an odd number on the first die; getting a 4 on the second die" which is the second option.

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Therefore , the solution of the given problem of equation comes out to be every term in this sequence will be a whole number greater than 7.

Variable words are commonly used in complex algorithms to show consistency between two contradictory claims. Academic expressions called equations are used to show the equality of various academic numbers. In this case, normalization produces a + 7 as opposed to a different algorithm that splits 12 into two parts and can evaluate data received from x + 7.

Here,

The given equation can be used to create a table of values for this sequence, beginning with a1 = 7:

n an

1 7

2 19

3 31

4 43

5 55

6 67

7 79

8 91

9 103

10 115

... ...

We multiply the first term of the sequence by a factor of 1 and add 12 to determine each succeeding term.

=> a2 = a1 + 12 = 7 + 12 = 19

Similarly, we enter n = 3 and a2 = 19 to determine a3:

=> a3 = a2 + 12 = 19 + 12 = 31

so forth.

Because a1 is a whole number greater than 7 and each term in the sequence is obtained by adding 12 to the preceding term,

it should be noted that every term in this sequence will be a whole number greater than 7.

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Therefore , the solution of the given problem of expressions comes out to be x = 1.0730 is roughly the answer to the equation 10*e(³ˣ) = 250.

When variables are shifting, estimates should be created that mix joining, disabling, and instead of randomly  dividing. They could answer a puzzle collectively, offer some information, and instead software. Formulas, elements, and mathematical operations like addition, subtraction, grouping, and combination are all found in a statement of truth. Words and sentences can both be evaluated and analysed.

Here,

In order to find x in the equation 10*e(3x) = 250, we can start by dividing both parts by 10 to isolate the exponential term:

=> e³ˣ = 25

The exponential can then be removed by taking the natural logarithm (ln) of both sides:

=> ln(e(³ˣ) = ln(25)

We can simplify the left half by using the fact that ln(ey) = y:

=> 3x = ln(25)

By multiplying both parts by 3, we can finally find the value of x:

=>x = (1/3) * ln(25)

We can use a computer to determine that the value of ln(25) is roughly 3.2189. Therefore:

=> x ≈ (1/3) * 3.2189

=> x ≈ 1.0730

So x = 1.0730 is roughly the answer to the equation 10*e(³ˣ) = 250.

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[tex]~~~~~~ \textit{Simple Interest Earned} \\\\ I = Prt\qquad \begin{cases} I=\textit{interest earned}\\ P=\textit{original amount deposited}\dotfill & \$3200\\ r=rate\to 7\%\to \frac{7}{100}\dotfill &0.07\\ t=years\dotfill &4 \end{cases} \\\\\\ I = (3200)(0.07)(4) \implies I = 896[/tex]