I need help I'm stuck on this

Answer: Your answer would be 152 cm

Step-by-step explanation:

Outer part of the shape:

Length  =  18 cm  

width  =  12 cm

Area of large rectangle  =  (18 ⋅ 12)

=  216 cm2------(1)

Inner part of shape:

Length  =  6 cm

width  =  3 cm

Area of small rectangle  =  (8 ⋅ 8)

=  64 cm2------(2)

(1) – (2)

=  (216 – 164) cm2

=   154 cm2

I hope this helps!

We checked the equation of lines are not parallel to each other.

The two lines when located at the same plane and equidistance from each other are called parallel lines. The properties of parallel lines as shown in equation is that both have same slope but different y intercept.

Two parallel lines never intersect.

equation of line passes through the point (- 3, -3) and (3, 9)

is given by the formula [ y - y₁] = [(y₂- y₁) / (x₂- x₁)] [x - x₁}

                                      [ y- (-3)] = [9 - (-3) / 3- (-3)] [x - (-3)]

                                 (y +3) = [(9+3)/ (3+3)] (x+3)

                                  y+ 3 = 12/ 6 (x+3)

                                  y+3 = 2 (x+3)

                                   y+3 = 2x+6

                                   y = 2x+3 this is the first line.

equation of line passes through (-5, 12) and (1, 0)

                          [y - 12] = [(0 - 12) / 1 - (-5)] [x - (-5)]

                       y -12 = -12/ 6 (x+5)

                         y - 12 = -2 x - 10

                        y = - 2x + 2

the above is the equation of second line.

the above two equation have same slope but different sign. Hence, the lines are not parallel to each other.

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Answer: 11

Step-by-step explanation:

Let the number be N.

Let's set up the equation.

2N + 15 = 37

Let's subtract 15 from both sides.

2N = 22

Divide both sides by 2, and you get

N = 11

Final Answer : 11

Answer:

The answer would be 3x/8.

Step-by-step explanation:

Both fractions would need to have a common denominator, so you could multiply x/2 by 4 on both the top and bottom to get 4x/8.

You could then subtract both the numerators from each other.

4x-x=x

The denominator will stay the same.

X/8.

Answer:

B

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

The zeros of the function y = 2x²+7x+1 are -0.35 and -3.35

The zeros of a quadratic equation are the points where the graph of the quadratic equation crosses the x-axis.The zeros are often called the roots, solutions, or x-intercepts of the function.

Therefore when y = 0

2x²+7x+1 = 0

using formula method

a= 2, b= 7 and c = 1

x = (-b ± √b²-4ac )/2a

x= -7± √ -7²-4×2×1)/2×2

x= (-7± √ 49-8)/4

x= (-7± √41)/4

x= (-7+√41)/4 or (-7-√41)/4

x =( -7+6.4)/4

or (-7-6.4)/4

x = -1.4/4 or -13.4/4

x = -0.35 or -3.35

therefore the zeros of the function are -0.35 and -3.35

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The meaning of 2n in mathematics is just a simple series that gives us different values when we put the integral values of n.

Oftentimes we come across a special series in the mathematical problems.

This mathematical series can be simplified into a quite simpler and a shorter form.

The given form 2n is also nothing but just yet another example of the mathematical series.

When we put the values of end to be 1,2,3,4,5,6,7,8...

We get the values of the expression to be 2,4,6,8,10...

This mathematical series makes problem easier for us understand and solve.

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The perimeter of the parallelogram is 16x - 8

The properties of a parallelogram are;

The formula for perimeter of a parallelogram is;

Perimeter = 2(a + b)

substitute the values

Perimeter = 2(6x - 4 + 2x)

collect like terms

Perimeter = 2(8x - 4)

expand the bracket

Perimeter = 16x - 8

Hence, the value is  16x - 8

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Answer:

[C] 3 3/4 Miles

Step-by-step explanation:

Given:

Zoe jogs 3/4 of a mile every 1/5 of an hour.

How many miles does Zoe jog per hour?

[A] 3/20 Miles

[B] 4/15 Miles

[C] 3 3/4 Miles

[D] 6 2/3 Miles

Solve:

Since, Zoe jogs 3/4 of a mile every 1/5 hour. And 5/5 = 1 hour.(Also known as 60 minutes) Which means 1/5 is 12 minutes. In order to find how much Zoe jogs per hour, we have to multiply.

Knowing that;

1/5 = 12 minutes

2/5 = 24 minutes

3/5 = 36 minutes

4/5 = 48 minutes

5/5 = 60 minutes (1 Hour)

Hence, 3/4 Multiply by 5.

3/4 × 5 = 3.75 = 15/4 = 3 3/4

As a result, Zoe jogs 3 3/4 miles per hour.

RevyBreeze

Answer: 10

Step-by-step explanation:

5x2 = 10

Answer:

10 lol.....................

The total perimeter of fencing that is needed for the entire animal pen is equal to 48 feet.

In order to determine the feet of fencing that is needed for the entire animal pen, we would have to calculate the third side of this right triangle pen by applying Pythagorean's theorem:

a² + b² = c²

Where:

a, b, and c represents the side lengths of a right triangle.

16² + b² = 20²

b² = 400 - 256

b = √144

b = 12 feet.

Mathematically, the perimeter of a triangle can be calculated by using this mathematical expression:

Perimeter of a triangle = a + b + c

Where:

a, b, and c represents the length of sides of a triangle.

Perimeter of a triangle = 16 + 20 + 12

Perimeter of a triangle = 48 feet.

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Using the provided coordinates and the scaling factor, The answer is option b. B'(-4.5, 0), M'(-4.5, 4.5), S'(4.5, -27).

In mathematics, a transformation refers to a function or a mapping that takes an input and produces an output. The input and output can be geometric shapes, vectors, or functions, and the transformation can change their position, size, or shape. Examples of transformations include translation, rotation, scaling, and reflection. In physics and engineering, transformation also refer to mathematical operations used to change a system's variables from one set of coordinates to another set of coordinates.

Scaling refers to the process of enlarging or reducing an object in size, either uniformly or non-uniformly. In mathematics, scaling is often represented by a scaling factor, which is a number used to multiply the coordinates of the object. Scaling can be applied to geometric shapes, vectors, and functions, and it can be done in one or multiple dimensions. Uniform scaling means that the object is scaled by the same factor in all dimensions. Non-uniform scaling means that the object is scaled by different factors in different dimensions.

B(-1, 0), M(-1, 1), and S(1, -6)

scaling factor (k) = 4.5

after scaling,

B'(-4.5, 0), M'(-4.5, 4.5), S'(4.5, -27)

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Answer: The expression (p^20)(p^-4)^2 is equivalent to p^n, where n is the power of p in the simplified expression.

To simplify the expression, we need to use the rule of exponents which states that when multiplying two powers of the same base, we can add their exponents.

So, (p^20)(p^-4)^2 = p^20 * (p^(-4))^2 = p^20 * p^(-8) = p^(20+(-8)) = p^12

So the value of n is 12.

Step-by-step explanation:

An isosceles right triangle is a special type of triangle that has two equal sides and one right angle.

It can be described using the Pythagorean Theorem, which states that the sum of the squares of the two legs of a right triangle are equal to the square of the hypotenuse. Mathematically, this can be expressed as a^2 + b^2 = c^2, where a and b are the lengths of the two legs, and c is the length of the hypotenuse.

In an isosceles right triangle, two of the sides must be equal, so a=b. This means that the Pythagorean Theorem simplifies to 2a^2 = c^2. Solving for a gives a = sqrt(c^2/2). This is the formula for the sides of an isosceles right triangle.

As an example, consider a triangle with a hypotenuse of length 5. Substituting this into the formula gives a = sqrt(25/2), or a = 5/sqrt(2). This means that both of the legs of the triangle have length 5/sqrt(2).

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Answer:

  6 units

Step-by-step explanation:

You want the length of the hypotenuse of a right triangle with legs 5 and √11.

The Pythagorean theorem tells you the relation between the legs a, b, and the hypotenuse c of a right triangle is ...

  c² = a² +b²

  c² = 5² +(√11)²

  c² = 25 +11 = 36

  c = √36 = 6

The length of the third side is 6 units.

Answer:

The expression p + 0.08p can be interpreted as "p plus 8% of p". Mathematically, this expression is equal to 1.08p, which is the same as saying "p multiplied by 1.08".

Answer:

y=x-4

Step-by-step explanation:

y=mx+b

Answer: y=x-4

Step-by-step explanation:

The first step is to see what point runs through the y-axis, so you can get your y-intercept. The line runs through (0, -4), so -4 will be your y-intercept.

To calculate the slope, we can use the formula, y2-y1/x2-x1 to find the slope. We have to take two definite points to solve this. an example of two definite points is (1, -3), and (0,-4). So the change in y would be              -4-(-3), which is -1, and for the change in x, 0-1 is -1 (Think of (1,-3) as point one, and (0,-4) as point 2). SO -1/-1 is 1, making the slope 1, making the equation y=x-4

Find the rise and run to determine the slope. Look up the y-intercept (the point where the line crosses the y-axis) Insert the value into the formula f(x)=mx+b.

For any input, a function will only have one or no outputs. The equation does not define a function if a given input has more than one output. Each value of x must have a maximum of one output value of y in order to be considered a function. To determine the slope of a graphed function, use the average rate of change formula.

The average rate of change from a to some other value x is what determines the instantaneous rate of change at some time[tex]x_{0} =a[/tex]. The average rate of change from x=a+h to x=a is y x = f(x) f(a) x a                     =f (a + h) f( a ) h if h = 0 and a = f ( a + h ) f (a) h are set.

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The value of a base refers to the number that is used as the foundation or foundation number in a mathematical system or system of numbers. A base is typically represented by a number that is used to indicate the power or exponent to which it is raised in order to produce a certain value.

The number of base is the number of different digits or symbols that are used in a particular mathematical system or system of numbers. For example, in the decimal (base 10) system, there are 10 different digits (0–9) that are used to represent different values. In the binary (base 2) system, there are only two different digits (0 and 1) that are used to represent different values. The number of the base can also be referred to as the radix of a number system.

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You can conclude that it took you less time on Tuesday to run to and from the playground than it did on Monday.

Distance is defined as the product of speed and time.

To compare the times it took to go to and from the playground each day, you need to calculate the total time for each day.

On Monday, it took 22 minutes to run to the playground and 25 minutes to run back home, for a total time of 47 minutes.

On Tuesday, you ran the entire 4 1/2 miles at a constant speed of 6 1/4 miles per hour, so you can use the formula:

distance / speed = time.

In this case, 4.5 miles / 6.25 mph = 0.72 hours or 43.2 minutes.

Therefore, you can see that it took you 47 minutes on Monday, and 43.2 minutes on Tuesday to run to and from the playground.

Hence, you can conclude that running to and from the playground took you less time on Tuesday than it did on Monday.

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The prime factorization of 60 from smallest to largest is  2×2×3×5.

Prime factorization is the technique of expressing a number as the product of prime numbers. The only two components in prime numbers are the number itself and the number itself. Prime numbers include, for instance, 2, 3, 5, 7, 11, 13, 17, 19, and so forth. Any number can be represented as a sum of prime numbers using prime factorization.

The prime factorization of the number 60 is,

60 = 6×10.

60 = 2×3×2×5.

60 = 2×2×3×5.

60 = 2²×3×5.

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When y changes directly as x, the variation constant is 5/4.

In a direct variation, the ratio of two variables; in an inverse variation, the product of two variables. The constant of variation k is used in the direct variation equations = k and y = kx, as well as the inverse variation equations xy = k and y =. A constant of variation (k) is a ratio that shows the connection between the independent and dependent variables (x and y) (y). If both variables have known values, it may be determined by dividing y by x. The constant of variation is the number that connects two variables that are either directly or inversely proportional to each other.

Here,

When one thing varies to another there is always a constant of variation. direct variation it is; y = kx

use the x,y values to find k

5 = 4k

5/4 = k

The constant of variation when y varies directly as x is 5/4.

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The expression that should be subtracted is 4x² - 3y² - xy.

An algebraic expression (or) a variable expression is a combination of terms by the operations such as addition, subtraction, multiplication, division, etc.

We will be using the concept of addition and subtraction of algebraic expressions to solve the given question.

Let us assume the missing part is X.

Therefore according to the question,

(3x² - 4y² + 5xy + 20) - (X) =  - x² - y² + 6xy + 20

Let us shift the terms to find the value of X

X = 3x² - 4y² + 5xy + 20 - (- x² - y² + 6xy + 20)

X = 3x² - 4y² + 5xy + 20 + x² + y²- 6xy - 20

X = 4x² - 3y² - xy

Thus, the expression that should be subtracted is 4x² - 3y² - xy.

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Unknown numbers are 68, 31.50, 20, 600, 150, 50, 400%, 25%, 50, and 500 as percentages or rates.

A number or ratio that is expressed as a fraction of 100 is known as a percentage in mathematics. There are also sporadic uses of the acronyms "pct.," "pct," and "pc." However, the percent sign "%" is widely used to signify it. There are no dimensions to the percentage amount. Percentages are essentially fractions because they have a numerator of 100. Put the percent sign (%) next to a number to indicate that it is a percentage. For instance, you would score a 75% if you answered 75 out of 100 questions on a test correctly (75/100). Divide the money by the total to get percentages, then multiply the result by 100. The formula (value/total) x 100% is used to determine the percentage.

given

1. percentage

p = base x rate

= 80 x 85%

= 68

2. percentage

= 70 x 45%

= 31.50

3. base

b = percentage ÷ rate

= 7 ÷ 35%

= 20

4. base

= 660 ÷ 110%

= 600

5. base

= 120 ÷ 80%

= 150

6. base

= 125 ÷ 250%

= 50

7. rate

= 64 ÷ 16 x 100

= 400%

8. rate

= 85 ÷ 340 x 100

= 25%

9. base

= 13 ÷ 26%

= 50

10. base

= 2.5 ÷ 0.5%

= 500

Unknown numbers are 68, 31.50, 20, 600, 150, 50, 400%, 25%, 50, and 500 as percentages or rates.

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The values of x = 14 and y = 6.

Triangles that resemble one another but may not be exactly the same size are said to be similar triangles. When two objects have the same shape but different sizes, they can be said to be similar. 

If ΔABC and ΔPQR are two similar triangles

=> AB/PQ = BC/QR = AC/PR

Here we have

ΔFGH and ΔIJH are two similar triangles

FG/IJ = GH/JH = FH/HI  

From the given data,

6/3 = 12/y = x/7    

Take 6/3 = x/7      

Do cross multiplication

=> 3x = 42

=> x = 14  

Take 6/3 = 12/y  

Do cross multiplication

=> 6/3 = 12/y  

=> 6y = 36

=> y = 6  

Therefore,

The values of x = 14 and y = 6.

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By dividing any number 3 to simplify the expression.

What is simplifying an expression?

To simplify an expression, create a similar expression devoid of any similar terms. Therefore, we will rewrite the expression using the fewest number of terms possible.

When you simplify an expression, your goal is essentially to make it as simple as you can. There shouldn't be any additional multiplying, dividing, adding, or subtracting to be done at the conclusion.

One third is one part of three equal parts. When you split an object or number into thirds, you divide it by three.

Thirds are calculated by dividing by 3.

For example: One third of 24 =1/3 of 24 = 24/3 = 8.

Hence, by dividing any number 3 to simplify the expression.

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On solving the provided question, we can say that equality of given trapezium we find, y=13/10 and x=21

A convex quadrilateral with exactly one pair of opposite sides that are parallel to one another is called a trapezium. When drawn on a piece of paper, the trapezium is a two-dimensional shape that resembles a table. A quadrilateral is a polygon in Euclidean geometry that has four sides and four vertices.

Since ABCD~PQRS

then, on comparing

5y-3/4 = 7/8

y=13/10

On comparing angle,

3x+24=87°

3x=63°

x=21

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Answer:  

A quadratic equation is an equation of the form ax^2 + bx + c = 0, where a, b, and c are constants, and x is a variable.

The equations that are quadratic equations are:

(i) x^ 2 + 6 x − 4 = 0

(v) 2 x^ 2 − √ 3 x + 9 = 0

The equations that are not quadratic equations are:

(ii) √ 3 x^ 2 − 2 x + 1/ 2 = 0

(iii) x^ 2 + 1/ x^ 2 = 5

(iv) x − 3/ x = x ^ 2

(vi) x ^ 2 − 2 x − √ x − 5 = 0

(vii) 3 x ^ 2 − 5 x + 9 = x 2 − 7 x + 3

(viii) x + 1 x = 1

In (ii) √ 3 x^ 2 − 2 x + 1/ 2 = 0 the coefficient of x^2 is not a real number.

In (iii) x^ 2 + 1/ x^ 2 = 5 the equation is not in the form of ax^2 + bx + c = 0

In (iv) x − 3/ x = x ^ 2 the equation is not in the form of ax^2 + bx + c = 0

In (vi) x ^ 2 − 2 x − √ x − 5 = 0 the equation is not in the form of ax^2 + bx + c = 0

In (vii) 3 x ^ 2 − 5 x + 9 = x 2 − 7 x + 3 both sides are not equal

In (viii) x + 1 x = 1 the equation is not in the form of ax^2 + bx + c = 0

So, the equations that are quadratic equations are (i) and (v).

Step-by-step explanation:

The set of points that represents a relation and a function are given as follows:

A relation represents a function when each input value is mapped to a single output value.

Hence the desired relations are given as follows:

As they both have different inputs, hence each input is mapped to a single output and they are functions.

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