Question For Middle School........
[tex]1.what \: is \: the \: value \: of \: pie \: (\pi)[/tex]​

Answer:

It's either 1:3 or 1:3

Step-by-step explanation:

A scale factor is times, calculate and, a reinduced PEMDAS

Answer:hyper bola

Step-by-step explanation:

All you have to do is look up all the answers on images and then pick the one that looks the most similar

Answer:

2

Step-by-step explanation:

y² = 4²= 16 (in substitution way)

16÷8= 2

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Answer:

2

Step-by-step explanation:

y^2/8

4^2/8

16/8

2

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The required value of g(-4) = 1 in the given function is represented in the shown graph.

A graph can be defined as a visual representation or a diagram that represents data or values.

The function is given in the represented graph of g(x)

We have to determine the value of g(-4) of the given function in the graph

According to the given graph, we can see that the value of the domain of the given function g(x) when the value of variable x is -4 when the value of the variable y is 1. this means the value of g(-4) = 1.

Therefore, the required value of g(-4) = 1 in the given function is represented in the shown graph.

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Answer: The phone was £120 before the discount.

The train takes 6 hours to travel the same distance.

From the question, we have

A train with 20km per hour takes 3 hours  to travel the distance .

Another train with 10km per hour takes = (3*20)/10 hours

=6 hours

Multiplication:

Finding the product of two or more numbers in mathematics is done by multiplying the numbers. It is one of the fundamental operations in mathematics that we perform on a daily basis. Multiplication tables are the main use that is obvious. In mathematics, the repeated addition of one number in relation to another is represented by the multiplication of two numbers. These figures can be fractions, integers, whole numbers, natural numbers, etc. When m is multiplied by n, either m is added to itself 'n' times or the other way around.

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Answer:

11 hours

Step-by-step explanation:

153 divided by 9 (which is 17) 17$ per hour so add 17 and 17 together which would be 34 and add it to 153 which would be 187$ he worked 2 more hours so in total he worked 11 hours.

and i know that was a bad explanation but its whatever hope this helped.

The maximum the company can expect for returned items is  $4190.

A percentage is a value per hundredth. Percentages can be converted into decimals and fractions by dividing the percentage value by a hundred.

Given, The average daily profit of an electronics store is $27,235.

The company estimates that 15% is lost each day to returns.

∴ The amount of return is (15/100)×27135.

= 0.15×27125.

= $4068.

Now this has an error of ± 3%, therefore the maximum the company can expect for returned items is {(100 + 3)/100}×100

= 1.03×4068.

= $4190.

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Answer:

40.5w + 118.37= 239.87; w=3

Step-by-step explanation:

You already saved 118.37.

239.87

118.37

111.50

40x3=120. So you'll need 3 more weeks to buy a gaming chair. And you also get 8.50 dollars extra in profit.

Answer:

40.5w + 118.37= 239.87; w=3

Step-by-step explanation:

The possible dimension of the triangular garden assuming it to be a right-angle triangle is (12,2),(8,3), and (4,6).

A triangle is a 3-sided shape that is occasionally referred to as a triangle. There are three sides and three angles in every triangle, some of which may be the same.

The area of a triangle is given as (1/2) × base × height.

The given area of the triangle = 12 feet².

Thus,

12 =  (1/2) × base × height

Base × height = 12 × 2

Base × height = 24

The combination of two quantities gives 24 by multiplying will be (12,2),(8,3), and (4,6).

For example, the triangle with dimensions (4,6) is attached below.

Hence "The possible dimension of the triangular garden assuming it to be a right-angle triangle is (12,2),(8,3), and (4,6)".

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An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

[ log 5 = 0.69 ]

[ log 26 = 1.41 ]

The formula for log [tex]x^n[/tex] = n log x

The value of x is 0.043

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

We have,

[tex]5^{2x + 1} - 26(5^x) + 5 = 0[/tex]

[tex]5^{2x + 1} + 5 = 26(5^x)[/tex]

The formula for log [tex]x^n[/tex] = n log x

Taking logs on both sides.

log [tex](5^{2x + 1} + 5)[/tex] = log [tex]26(5^x)[/tex]

log [tex]5^{2x + 1}[/tex] + log 5 = log 26 + log [tex]5^{x}[/tex]

(2x + 1) log 5 + log 5 = 1.41 + x log 5

[ log 5 = 0.69 ]

[ log 26 = 1.41 ]

(2x + 1) x 0.69 + 0.69 = 1.41 + 0.69x

1.39x + 0.69 + 0.69 = 1.41 + 0.69x

0.70x = 1.41 - 1.38

x = 0.03 / 0.70

x = 0.043

Thus,

The value of x is 0.043

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The standard form of a parabola passing through (1, 0), (2, -3), and (3,-10) is y = -2x² + 3x - 1

Define Parabola

The equation of parabola in standard form is y = ax² + bx + c

We have given the points,

(1, 0), (2, -3), and (3,-10)

Let's put each point in parabola equation and form three equation as,

Equation for point (1, 0)

0 = a * (1)² + b * 1 + c

a + b + c = 0                --------------------eq(i)

Now, equation for point(2, -3)

-3 = a * (2)² + b * 2 + c

4a + 2b + c = -3           --------------------eq(ii)

And, equation for point (3, -10)

-10 = a * (3)² + b * 3 + c

9a + 3b + c = -10         ---------------------eq(iii)

Now, we have three equation let's put them together

a + b + c = 0                --------------------eq(i)

4a + 2b + c = -3           --------------------eq(ii)

9a + 3b + c = -10         ---------------------eq(iii)

Now, form equation which is of two variable.

For that, we take first two equation and subtract eq(ii) from eq(i)

4a+2b+c = -3

a + b + c = 0

-    -     -      -

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

3a + b = -3                      ---------------eq(a)

Now, subtract eq(iii) from eq(ii)

9a + 3b + c = -10

4a + 2b + c = -3  

-     -        -      -

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

5a + b  = -7                   ------------------eq(b)

Now, we get eq(a) and eq(b) consist of two variable.

3a + b = -3                       ---------------eq(a)

5a + b  = -7                      ----------------eq(b)

Now, solve this equation simultaneously and find the value of a and b.

3a + b = -3

5a + b  = -7  

-     -        -

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

-2a = 4

a = -2

put a = -2 in eq(a) to find b

3a + b = -3

⇒3 * -2 + b = -3

⇒-6 + b = -3

⇒b = 3

We get the values of a and b. And, left with value of c for that just put the a and b value in eq(i) and find c

a + b + c = 0

-2 + 3 + c = 0

c = -1

Now, we get all the necessary values for equation.

Next, just put a, b and c values in parabola equation.

y = ax² + bx + c

y = -2x² + 3x - 1

Hence, the standard form of a parabola passing through (1, 0), (2, -3), and (3,-10) is y = -2x² + 3x - 1

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As stated in the preceding statement the point R is collinear with points A and B.

An axis is a term used to describe a line upon whatever points are located, particularly if that line is connected to a triangle or other geometric shape. Since two factors determine a line, two points become trivially collinear.

Two lines may coincide if they have a same point and have the same slope. To put it another way, if A, B, as well as C are three points there in XY plane, they will all lie on a line, or three points will be collinear, but only if AB's slope and BC's slope are both equal.

then

m A B = m BC ( = m AC ).

The point is collinear with points A and B.

Therefore, the correct answer is option (d) R.

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Answer:

I agree with her the reason? because she is right

67.50/6= 11.25 meaning it's $11.25 per ticket

47/4= 11.75  meaning it's $11.75 per ticket

Step-by-step explanation: Jamar spent 11.25 per ticket

Aaron spent 11.75 per ticket meaning she spent more than Jamar

The accounting profit is $10,800 and economic profit is - $14,200.

Percentage is a part of the whole number. It is denoted by % sign.

1 %= 1/100.

Given that,

The saving of Sarah = $50,000

The interest on $25,000 Sarah withdrew at the rate of 4% = $1000

The interest on $30,000  Sarah borrowed at the rate of 4% = %1200

The amount paid for ingredients = $27,000

Total investment = 27,000+30,000+ 1000+1200 = $59,200

Revenue of Sarah = $70,000

Accounting profit of Sarah = $70,000 - $59,200 = $10,800

Economic profit of Sarah = $70,000 - ($59,200+$25,000)

                                          = - $14,200

The accounting profit is $10,800 and economic profit is - $14,200.

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The inequalities to represent the Ann situation is t > 40.

In mathematics, an inequality is a relation which makes a non-equal comparison between two numbers or other mathematical expressions.

In Mathematics, the relationship between two values that are not equal is defined by inequalities.

Therefore, an expression with an inequalities  have the signs <, >, ≤ and ≥.

Let's represent the situation with an inequalities.

Therefore, Ann exercises no less than 40 minutes per day.

let

t = Ann's amount of exercise (in minutes per day).

The inequalities to represent the situation is as follows:

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Answer:

each student get 2.5 of graham crackers

Step-by-step explanation:

[tex]total \: students \: = 12 \\ graham \: crackers \: = 30 \\ 30 \div 12 \\ = 2.5[/tex]

Answer:

Step-by-step explanation:

Area of a rectangle is given by the formula :

A = L × W

Substituting 90 with A , x with W and (x+3) with L, we get :

90 = (x+3)×x

Simplifying the right side by expanding the bracket :

x(x+3) =

x²+3x
90=x²+3x

Now we can make a quadratic by subtracting both sides by 90 :

x²+3x-90 =0

I'm not sure about the rest

Answer: D. The polynomial is irreducible.

From the explanation below we do not get polynomial .

Step-by-step explanation:

A.(x+3)(x-6)

=  x^2-6x+3x-18

=x^2-3x-18

B.(x-3)(x+6)

 =(x^2+6x-3x-18)

  =x^2+3x-18

C.(x+3)(x^2-4x+6)

  =x^3-4x^2+6x+3x^2-12x+18

  =x^2-x^2-6x+18

D.The polynomial is irreducible

The possible value of x which the two triangles are similar is x=60°.

What do you mean by triangle?

A polygon with three edges and three vertices is called a triangle. It is one of the fundamental geometric shapes. Triangle ABC is the designation for a triangle with vertices A, B, and C. In Euclidean geometry, any three points that are not collinear produce a distinct triangle and a distinct plane.

Method:

Given that two angles of the triangle are specified, the triangles can be

similar for only one value of x.

According to the given data in the question,

The two triangles are similar when we have;

x + 10° = 2x - 50°

Which gives;

2x - x = 50° + 10° = 60°

x = 60°

Checking gives;

x + 10° = 2·x - 50° = 70°

Two angles of the first triangle are 70° and 60°

Then, the third angle of the first triangle is (180° - (70° + 60°)) = 50°

The three angles of the first triangle are therefore; 70°, 60° and 50°.

Two angles of the second triangle are 70° and 70°.

The third angle of the second triangle is (180° - (70° + 70°)) = 40°

The three angles of the second triangle are therefore; 70°, 70° and 40°

Therefore, the two triangles are similar by AAA similarity.

The two triangles are similar when, x = 60°

When x = 50°, we have;

x + 10° gives;

50° + 10° = 60°

∴ ∠(x + 10°) = 60°

The two angles of the first triangle are; 60° and 50°

The third angle on the second triangle is 180° - (60° + 50°) = 70°

On the second triangle, we have;

2·x - 50° gives;

2 × 50° - 50° = 50°

∴∠(2·x - 50°) = 50°

Therefore, the two angles of the second triangle are 70° and 50°

The third angle on the second triangle is 180° - (70° + 50°) = 60°

Therefore, the two triangles are not similar when x = 50°

Similarly, the two triangles are not similar when x + 10° = 50°

Hence, the possible value of x which the two triangles are similar is x = 60°.

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The product of a number minus 17 and 5 are equivalent to: 5 (n - 17) .

X-terms and constants should be combined with any other like terms on either side of the equation. Put the terms in the same order, with the x-term usually coming before the constants. The two phrases are equal if and only if each of their terms is the same.

the sum of a number less than 17 and five

If x is an ambiguous number,

The sign for minus is -

A number less than 17 is denoted by x-17.

The multiplication is the product.

Add x-17 and (x-17)5 to get the answer.

In this case, the expression is 5 (n - 17).

When two numbers are multiplied together, the outcome is known as the product.

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Answer: x=-1, y=2, z=-3

Step-by-step explanation:

[1]    2x + 3y - 4z = 16

  [2]    -x + 2y - z = 8

  [3]    2x - y - 2z = 2

Solve by Substitution :

Solve equation [3] for the variable  y

 [3]    y = 2x - 2z - 2

Plug this in for variable  y  in equation [1]

    2x + 3•(2x-2z-2) - 4z = 16

    8x - 10z = 22

Plug this in for variable  y  in equation [2]

    -x + 2•(2x-2z-2) - z = 8

      3x - 5z = 12

Solve equation [2] for the variable  x

 3x = 5z + 12

     x = 5z/3 + 4

Plug this in for variable  x  in equation [1]

   8•(5z/3+4) - 10z = 22

    10z/3 = -10

    10z = -30

Solve equation for the variable  z

    10z = - 30

   z = - 3

By now we know this much :

   x = 5z/3+4

   y = 2x-2z-2

   z = -3

Use the  z  value to solve for  x

   x = (5/3)(-3)+4 = -1

Use the  x  and  z  values to solve for  y

 y = 2(-1)-2(-3)-2 = 2

With a net change of +0.72 yesterday's closing price was 19.81 and stock dividend yield for yesterday's closing price is 7.2%.

How to calculate the Dividend Yield?

To calculate dividend yield, all you have to do is divide the annual dividends paid per share by the price per share.

Dividend Yield = Annual Dividends Paid Per Share / Price Per Share

According to the given question:

Net change = today's price - yesterday's price

0.72 = 19.09 - yesterday's price

∴ Yesterday's price = 19.81

Stock dividend yield

= (1.43/19.81) x 100

= 7.2%

Therefore the stock yield of yesterday's closing price is 7.2%

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Using the properties of ratio we calculate that the largest land inheritance was sold at $825000 .

The ratio in which the land is divided is 2:3:5

Let the common ratio be x .

Hence the land is divided which has a combined area of 2750 acres.

Now, 2x+3x+5x = 2750

or, 10x = 2750

or, x = 275

Now the person with the highest inheritance will be having land:

= 5× 275

= 1375 acres

Cost of the land at $600 per acre

= 600 × 1375

= $825000

therefore the cost of the land is  $825000

A ratio can therefore be thought of as an ordered pair of integers, a fraction with the first number in the numerator and the second in the denominator, or as the value represented by this fraction.

Ratios of counts that are expressed in terms of (non-zero) natural numbers are rational numbers and occasionally natural numbers as well. The ratio of two numbers is a dimensionless number when they are measured using the same unit, which happens frequently.

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Answer:

A. -9, -6, 8, 13

B. -4/5, -1/2, -.2, .25

C. -8/3, -2 1/2, 9/2, 4.75

D. -8, -3, -1, 4

E. -1/2, -1/4, .5, 3/4

F. -3/2, -5/4, -4/5, 1.5

Step-by-step explanation:

The easiest thing to do is to put them all in the same format. Fractions are just division problems, so just divide. 4/5 is 4 divided by 5, which is .8.

Remember, the farther a negative number is from 0 on the number line, the smaller it is. So, -8 is smaller than -5. -5 is smaller than -2, etc.

The equivalent equation of the equation, [tex]\frac{5x+6}{2}=3-(4x+12)[/tex] is 5x + 6 = -18 - 8x

Two equations are said to be equivalent when they have the same solution set.

Equivalent equations are algebraic equations that have identical solutions or roots.

Therefore, let's find the equivalent equation of the equation.

[tex]\frac{5x+6}{2}=3-(4x+12)[/tex]

Let's open the bracket on the right side

[tex]\frac{5x+6}{2}=3-(4x+12)[/tex]

[tex]\frac{5x+6}{2}=3 - 4x - 12[/tex]

[tex]\frac{5x+6}{2}=(-9-4x)[/tex]

cross multiply

5x + 6 = 2(-9 - 4x)

5x + 6 = -18 - 8x

5x + 8x = -18 - 6

13x = - 24

divide both sides by 13

x = - 24 / 13

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For given line segments RS = TR

In this question, we have been given two line segments QS and TU intersected at point R.

Also, we have been given QS = TU, QR = RU

We need to prove, RS = TR

We can observe that,

QS = QR + RS

and UT = UR + RT

QS = TU                               ................(Given)

QR + RS = UR + RT

QR + RS = QR + RT              .............(Given QR = RU )

QR + RS - QR = QR + RT - QR     .............(subtraction property of equality)

RS = TR

Hence proved.

Therefore, for given line segments RS = TR

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There are 52 cards in the deck and so the probability of guessing the card right is 1/52.

Probability is simply the likelihood of something occurring. When we are uncertain about the result of an event, we might discuss the probabilities of several outcomes—how likely they are. Statistics is the study of occurrences guided by probability. The probability is a measure of the possibility that an event will occur. It assesses the event's certainty. P(E) = Number of Favourable Outcomes/Number of Total Outcomes is the probability formula.

Here,

We can find this probability by seeing that

=1/4×1/13

=1/52

Because there are 52 cards in the deck, the probability of correctly predicting the card is 1/52.

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