help me with this question

Answer:

The dimensions of the rectangular plot of the land is 17 × 12 square units.

Step-by-step explanation:

What is perimeter? The perimeter of a shape is the distance around the shape. It is the total length of the shape's sides.

What is the formula for the perimeter of rectangle?

Perimeter of rectangle = 2( length + width)

What is area?

The area can be defined as the space occupied by a flat shape or the surface of an object.

What is formula for the area of rectangle?

Area of rectangle = length × width

The distance between the given parallel lines is

In the given statement is :

The equations of the pair of each parallel lines is:

y = 4x and y = 4x - 17

To find the distance between each pair of parallel lines.

Two lines a₁x +b₁y + c₁=0   and a₂x+b₂y+c₂=0 are said to be parallel if a₁=a₂ , b₁=b₂.

As we know that distance between the parallel lines (d) is given as:-

d = [tex]\frac{c_{2} -c_{1} }{\sqrt{a^{2} +b^{2} } }[/tex]

Parallel lines equation as:

y - 4x = 0

y - 4x + 17 = 0

Here,

a = -4 , b = 1, c1 = 0, c2 = 17

Therefore, putting the values

d = [tex]\frac{17 -0}{\sqrt{-4^{2}+1^{2} } }[/tex]

d = [tex]\frac{17}{\sqrt{17} }[/tex]

d = root 17

d = 4.12 units

Hence, The distance between the given parallel lines is 4.12 units

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The first term of the given sequence is a(1) = 128

The formula for the nth term of a geometric sequence is:

a(n) = a(1) . rⁿ⁻¹

In the above formula, a(1) refers to the first term while r refers to the common ratio.

Information from the problem.

a(9) = 1/2 and a(12) = 1/16

Substitute n = 9 into the formula, we get:

a(9) = a(1) . r⁸

1/2  = a(1) .  r⁸

Substitute n = 12 into the formula, we get:

a(12) = a(1) . r¹¹

1/16  = a(1) .  r¹¹

Divide a(12) by a(9):

1/16 : 1/2 = ( a(1) .  r¹¹ ) : (a(1) .  r⁸ )  

Since a(1) terms are cancelled out, we have:

2 : 16 = r¹¹ :  r⁸

1/8 = r³

r = 1/2

Substitute r = 1/2 into a(9) :

a(9) = a(1) . r⁸

1/2 = a(1) . (1/2)⁸

a(1) = 1/2 : (1/2)⁸ = (1/2)¹⁻⁸

       = (1/2)⁻⁷ = 2⁷

       = 128

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The domain of f is [-5, ∞) because the vertex is the global minimum of a parabola that opens up.

The domain of any polynomial, including quadratics, is (–∞, ∞).

The domain of a parabola is always all real numbers (sometimes written (−∞,∞). The domain is all real numbers because every single number on the x− axis results in a valid output for the function (a quadratic).

When x=−b2a, y=c−b24a. Therefore the maximum or minimum value of the quadratic is c−b24a. Whether it is the maximum or minimum can be determined by examining the sign of a. If a is positive, then the range is y≥c−b24a

Hence, The range here is [-5, ∞), because the vertex is the global minimum of a parabola that opens up, and the global minimum is the lowest value.

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Answer:  [tex]A^{2} + B^{2}[/tex] correct answer.

Step-by-step explanation:

What is Pythagorean Theorem?

Image result for Pythagorean theorem

Pythagorean theorem, the well-known geometric theorem that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse (the side opposite the right angle)—or, in familiar algebraic notation.

                               [tex]A^{2} + B^{2} + C^{2}[/tex]

The Pythagoras theorem states that in a right-angled triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides. This theorem can be expressed as, c2 = a2 + b2; where 'c' is the hypotenuse and 'a' and 'b' are the two legs of the triangle.

So, We can write,

Consider the triangle given above:

Where “a” is the perpendicular,

“b” is the base,

“c” is the hypotenuse.

According to the definition, the Pythagoras Theorem formula is given as:

                    [tex]Hypotenuse^{2}[/tex] = [tex]Perpendicular^{2}[/tex] + [tex]Base^{2}[/tex]

                           [tex]C^{2} = A^{2} + B^{2}[/tex]

Hence,

                              [tex]A^{2} + B^{2}[/tex] correct answer.

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0.25 is the probability a bean bag lands closer to the center of the circle than to the edge of the circle.

What is the probability in simple terms?

Let the radius of the circle be r.

Now the distsnce of the edge of the circle from the center is r units.

Now for any point lying in the circle, the sum of the distance of that point

from the center and from the nearest edge of the circle is r.

Thus, the bag will land closer to the circle if it lies within r/2 distance from the center.

Now, the area of the inner circle with radius r/2 is =  [tex]\pi (\frac{r}{2})^{2} = \pi \frac{r^{2} }{4}[/tex]

The area of the actual circle = πr²

Thus, the bean bag will land closer to the center if it lies within the inner circle of area = π r²/4

Hence, the required probability = [tex]\pi r^{2} /4/ \pi r^{2}[/tex] = 1/4 = 0.25

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Answer:

the answer is 225

Step-by-step explanation:

[tex] \frac{300 \times 25}{100} = 75[/tex]

this is the amount of discount

so remove it from the original price

300 - 75 = 225

which is the price after the 25% discount

hope this helps

Answer:

[tex] 81g^4 [/tex]

Step-by-step explanation:

When you raise a product to a power, raise each factor of the product to the power.

Rule:

[tex] (ab)^n = a^nb^n [/tex]

Our problem:

[tex] (3g)^4 = 3^4g^4 = 81g^4 [/tex]

Answer:

The conditional statement is true.

Step-by-step explanation:

If a and b are negative, it doesn't matter what numbers they are; the sum will always be negative.

Answer:

3 5,7,9,11,13,16,17 19,21,23,25,27,29

The average speed in miles per hour for the round trip is (D) 47.5.

To find the average speed:

Formula: Sum of terms/Number of terms

Therefore, the average speed in miles per hour for the round trip is (D) 47.5.

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The probability that the marble that you drew was either blue or green is 0.7.

What is probability?

Simply put, probability is the likelihood that something will occur. When we don't know how an event will turn out, we can discuss the likelihood or likelihood of several outcomes. Statistics is the study of events that follow a probability distribution.

There are 4 blue ,3 green , 1 yellow and 2 red

In total there are 10 balls.

probability of getting blue or green ball is = 7/10

P (blue or green) = 0.7

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In the similar triangles given, the sum of AB and BD is: B. 4⅓.

The corresponding side lengths of two triangles that are similar to each other have equal ratio, that is, they are proportional in size.

Find AC:

AB/CD = AE/(8 - AC) [proportional sides of similar triangles]

AB = 3

CD = 2

AE = 8

Substitute

3/2 = 8/(8 - AC)

3(8 - AC) = 2(8)

24 - 3AC = 16

24 - 16 = 3AC

8 = 3AC

8/3 = AC

AC = 2⅔

Find BD:

AB/CD = BE/(5 - BD) [proportional sides of similar triangles]

BE = 5

AB = 3

CD = 2

Substitute

3/2 = 5/(5 - BD)

3(5 - BD) = 2(5)

15 - 3BD = 10

15 - 10 = 3BD

5 = 3BD

5/3 = BD

BD = 1⅔

AB + BD = 8/3 + 5/3

AB + BD = (8 + 5)/3

AB + BD = 13/3

AB + BD = 4⅓

Thus, in the similar triangles given, the sum of AB and BD is: B. 4⅓.

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Answer:

b(x) = 4x + 1

Step-by-step explanation:

If x starts from 1, we can give the equation as follows:

b(x) = 4x + 1

Let's check it, for the first one

x = 1, b(x) = 5

for the second, x = 2, b(x) = 4(2)+1 =9

According to the question, the region is bounded by the curve with the given data as [tex]x = y^{3} , x=1, y=0.[/tex]

To compute the volume of the solid, use the disk method. The given object is rotated along the horizontal axis with the disk cross sectional area and the volume can be written as:

[tex]v=\int\limits^a_b {\pi x^{2} } \, dx[/tex]

As per question, when x = 1 then the value of y is: y = 1

Now, substituting calculated values in the expression:

[tex]v=\int\limits^a_b {\pi x^{2} } \, dx=v=\int\limits^0_1 {\pi x^{2} } \, dx[/tex]

Substitute the value of the variable 'x':

Therefore, the expression can be written as:

[tex]v=\int\limits^a_b {\pi x^{2} } \, dx=v=\int\limits^0_1 {\pi x^{2} } \, dx=\int\limits^0_1 {\pi (y^{3}) ^{2} } \, dx=\frac{\pi }{7}=0.448[/tex]

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The constant of proportionality for the relationship of millimeters of rainwater to time in hours is 48 millimeter/hour.

Given that the measuring tool captures rain falling at a constant.The table shows the height of rainwater in the measuring tool and the number of minutes it rains as shown in attached image.

A ratio is a mathematical comparison between two numbers. In proportion, if two given sets of numbers increase or decrease by the same ratio then the given ratios are said to be proportional.

Now we will calculate the proportion by using the formula

Ratio=(r₂-r₁)/(t₂-t₁)

Here, r₁=4, r₂=8, t₁=5, t₂=10

So, r₂-r₁=8-4=4 and

t₂-t₁=10-5=5

Now, we will convert the time from min to hour by dividing it with 60, we get

t₂-t₁=5/60

Substitute this value in above equation, we get

Ratio=4/(5/60)

Ratio=(4×60)/5

Ratio=4×12

Ratio=48 mm/hr

Hence, the constant of proportionality for the relationship of millimeters of rainwater to time in hours by using the given table is 48 mm/hr.

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The answer is C cause it makes ore sense against the other answers

The steps that could be part of the process of algebraically solving the system of equations, y + 5x = x2 + 10 and y = 4x – 10 are

An algebraic equation is a mathematical statement that sets two expressions equal using variables, coefficients, and constants.

Algebraic equations are represented by the equal symbol (=).

y + 5x = x² + 10 and y = 4x – 10

Substitute y = 4x - 10:

4x – 10  + 5x = x² + 10

4x - 10 = x² – 5x + 10

Add 10 to both sides:

4x - 10 + 10 = x² - 5x + 20

4x = x² - 5x + 20

Subtract 4x from both sides:

4x - 4x = x² - 5x  - 4x + 20

0 = x² - 9x + 20

Solving, if x = 4:

x² - 9x + 20 = 0

4² - 9 (4) + 20 = 0

16 - 36 + 20 = 0

-20 + 20 = 0

Thus, the steps for algebraically solving the system of equations, y + 5x = x2 + 10 and y = 4x – 10 are Options D and E.

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a) y = x2 + 5x + 10

b) y + 5x = x2 + 10 + 4x – 10

c) 0 = x2 – 9x

d) 0 = x2 – 9x + 20

e) One x-value of a solution to the system is 4.

Answer:

a = j - g

Step-by-step explanation:

"solve for a" means to get a all by itself on one side of the equation. You can see the beginning of the answer that is provided on your screen says "a = "

We are starting with:

j = g + a

First, subtract g from both sides of the equation.

j - g = a

Now just trade the left and right sides of the equation.

a = j - g

Fill in your answer in the box: j - g

The rational form of 0.412 is 103/250.

According to the question,  to write the rational expression for the given link by removing the decimal. When the decimal is removed from the numerator then that many zeros will come in the denominator.

Therefore, the rational expression can be written as:

Required expression = 0.412 = 412/1000 = 103/250

Hence, the correct answer for this expression is 103/250.

What is rational expression?

The rational expression can be represented in the form of ratios which has two polynomials in the numerator as well as in the denominator. The value of the denominator term should never be zero.

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Answer:

Step-by-step explanation:

[tex]−6(x−2)+50\\\\-6x+12+5\\\\\sf{-6x+17}[/tex]

we are done!! ~~

Answer:

-6x + 17

Step-by-step explanation:

We can use algebraic expansion and order of operations to solve for this expression.

[tex] - 6(x - 2) + 5 \\ = - 6x + 12 + 5 \\ = - 6x + 17[/tex]

Answer:

solve this

Step-by-step explanation:

260*9/4

The correct location on the table is:

An equation can be represented by a linear function. The standard form for the linear equation is: y= ax+b , for example, y=7x+2. Where:

a= the slope. It can be calculated for [tex]a=\frac{\Delta y}{\Delta x}[/tex] .

b= the constant term that represents the y-intercept.

For the given example: a=7 and b=2.

For solving  linear equations, you should organize variables on one side of the equation and the numbers on the other side. When a number or variables change side, its signal also is changed.

       x= 9*3

       x=27

      Therefore, x≠3

       x=-9+6

       x= -3

      Therefore, x≠3

       x= 5 -2

       x= 3

      Therefore, x=3

       x= 12/5 + 3/5

       x= 15/5

      x=3

      Therefore, x=3

       14x=42

       x=3

      Therefore, x=3

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By elimination, the solution of the system of equations, 20x + 5y = 120 and 10x + 7.5y = 80, is (5 , 4).

A system of equations is a set of two or more equations which includes common variables. To solve system of equations, we must find the value of the unknown variables used in the equations that must satisfy all the equations.

There are three methods that can be used to solve system of equations.

1. Elimination

2. Substitution

3. Graphing

Using the elimination method, given two equations in x and y, a variable should be eliminated by adding/subtracting the two equations.

Multiply first equation 2 by 2.

10x + 7.5y = 80     (equation 2)

20x + 15y = 160

Subtracting the two equations will eliminate the variable x.

20x + 15y = 160     (equation 2)

20x +  5y = 120     (equation 1)

0x + 10y = 40

y = 4

Substitute the value of y to any of the two equations and solve for x.

20x + 5y = 120     (equation 1)

20x + 5(4) = 120

20x = 120 - 20

20x = 100

x = 5

Hence, the solution of the system of equations is (5 , 4).

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Solution:

The formula for the perimeter of a rectangle is, P = length + breadth + length + breadth.

As you stated the formula of a rectangle is P (perimeter) = 2W (the two widths added together) + 2L (the two lengths added together).

To solve this algebraically you need to define your variable, or unknown, which in this case is the width or "W".

Now set this same equation with any symbol you wish, "x" is often used, and solve for x.  You could keep W instead of X also if it makes it easier to work on the problem.

P= 2x + 2L

isolate the 2x by subtracting 2L from both sides.

P-2L=2x

Now isolate the x by dividing both sides by 2 and you have

P-2L/2=x

x will be W.  Just put in the numbers P and L and you will have solved for W.

One More Solution :

The perimeter of a rectangle is given by the following formula:    

P = 2W + 2L

To solve this formula for W, the goal is to isolate this variable to one side of the equation such that the width of the rectangle (W) can be solved when given its perimeter (P) and length (L).

P = 2W + 2L

subtract 2L from both sides of the equation

P - 2L = 2W + 2L - 2L

P - 2L = 2W

divide both sides of the equation by 2

(P - 2L)/2 = (2W)/2

(P - 2L)/2 = (2/2)W

(P - 2L)/2 = (1)W

(P - 2L)/2 = W

Thus, given that the perimeter (P) of a rectangle is defined by    P = 2W + 2L ,

then its width (W) is given by    W = (P - 2L)/2

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Answer:

B

Step-by-step explanation:

Answer:

o na ain't no one answering that

Answer: D. Have a great day :3

Step-by-step explanation:

Answer:

36÷7.2=5

So this is the answer

Answer:

1. p^10

2. p^24

Step-by-step explanation:

p^6 x p^4=p^(6+4)=p^10

(p^6)^4=p^(6x4)=p^24

Answer:

write your full question.