select all the shapes that are enlargement of shape x

n⁵ + (n+1)⁵ + (n+2)⁵ + (n+3)⁵ + (n+4) is not divisible by 25.

Mathematical Induction is a technique of proving a statement, theorem or formula which is thought to be true, for each and every natural number n.

Given expression,

n⁵ + (n+1)⁵ + (n+2)⁵ + (n+3)⁵ + (n+4)

To prove: above expression is divisible by 25.

Putting n = 1 in the expression

1⁵ + (1+1)⁵ + (1+2)⁵ + (1+3)⁵ + (1+4)

= 1 + 2⁵ + 3⁵ + 4⁵ + 5

= 1 + 32 + 243 + 1024 + 5

= 1305

which is not divisible by 25.

Hence, 25 is not divisor of  n⁵ + (n+1)⁵ + (n+2)⁵ + (n+3)⁵ + (n+4)

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The sale price of the item is given by the equation A = $ 22.40

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the equation be represented as A

Now , the value of A is

The regular price of the item = $ 28.00

The percentage of discount = 20 %

So , the sale price of the item = regular price of the item  - ( percentage of discount x regular price of the item  )

Substituting the values in the equation , we get

The sale price of the item A = 28.00 - ( 0.20 ) x 28.00

The sale price of the item A = 28.00 ( 1 - 0.20 )

The sale price of the item A = 28.00 ( 0.80 )

So , the sale price of item is 80 percentage of the regular price

Therefore , the sale price of the item = ( 80 / 100 ) x $ 28.00

The sale price of the item A = $ 22.40

Hence , the sale price is $ 22.40

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Answer:

y=1/2x-2

Step-by-step explanation:

Slope int. Form is y=mx+b.

Knowing this, we find the slope either using rise/run or or the slope formula. y2-y1/x2-x1

using rise/run, we rise up 1 unit and run over 2 units to the right.

So mx=1/2x.

Then finding the y-intercept we look at the y-axis and look for where the graph intersects the y-axis. In this case the y intercept is already plotted at (0,-2). So b=-2.

Put all of our information together and receive the equation y=1/2x-2.

-Hope this helped

The sales tax on telephone is 1 percent.

Calculating the sales tax applied to a purchase is a matter of simply multiplying the tax rate by the purchase price using the equation sales tax = purchase price × sales tax rate. Adding the sales tax to the original purchase price gives the total price paid with tax.

Given that, after sales tax, a $27 telephone costs $27.27.

Here, sales tax =27.27-27

= 0.27

Now, tax rate is 0.27/27 ×100

= 1%

Therefore, the sales tax on telephone is 1 percent.

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The expression which represents the amount he spent at the mall and the estimate of how much Gabe spent if he bought 7 items are:

For the first part of the question, you put the unknown variable multiplied by 16.62.

Next, what you have to do is to then add 26 which equals an unknown variable.

For the second part, since we want to find an estimate of how much Gabe spent if he bought 7 items, we would have to multiply 16.62 by 7 and add 26.

This would be $152.34

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Answer:

89 Bills of 10$ and 1 of 5$

Step-by-step explanation:

Pretty simple division which gets you 89.5 and that decimal is just the one 5$

Answer:

x = 75

Step-by-step explanation:

Given the equation:

[tex]\displaystyle{\dfrac{1}{5} = \dfrac{15}{x}}[/tex]

Multiply both sides by 5x to clear off denominators:

[tex]\displaystyle{\dfrac{1}{5}\cdot 5x = \dfrac{15}{x} \cdot 5x}\\\\\displaystyle{1\cdot x = 15\cdot 5}\\\\\displaystyle{x=75}[/tex]

Therefore, x = 75

[tex]\begin{array}{llll} \textit{logarithm of factors} \\\\ \log_a(xy)\implies \log_a(x)+\log_a(y) \end{array} \\\\\\ \begin{array}{llll} \textit{Logarithm Cancellation Rules} \\\\ \stackrel{\textit{we'll use this one}}{log_a a^x = x}\qquad \qquad a^{log_a x}=x \end{array} \\\\[-0.35em] ~\dotfill\\\\ \log_2(5)+\log_2(6.4)\implies \log_2( ~~(5)(6.4) ~~ )\implies \log_2(32) \\\\\\ \log_2(2^5)\implies \text{\LARGE 5}[/tex]

Answer:

Step-by-step explanation:

An equivalent method of approximating values of functions is called an approximation using differentials

Answer:

72 mins

Step-by-step explanation:

90 x .8

72

The approximate sales price for a home in 2020 would be 480

From the question, we have the following parameters that can be used in our computation:

Year Avg. Sales Price (Thousands)

1990 149

1995 158

2000 207

We can see that there is an upward trend as the year increases

However, the table does not follow a linear or an exponential pattern

From 2000 and 1990, the change in price is 58

Using this as a guide, we have

2020 = 207 + 58 * 2

2020 = 323

The closest to 323 in the option is 480

Hence, the sales price is 480

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the answer to this question where is the is c+2x

The series given in number 9 is a convergent series

From the question, we have the following parameters that can be used in our computation:

Tthe summation of 1/(n^(1/5)) from n=1 to infinity

To determine the convergence or divergence of the summation notation, we can use the comparison test.

The series 1/n^(1/5), which is a convergent p-series with p = 1/5.

Since 1/(n^(1/5)) <= 1/n^(1/5) for all n

It implies that the given series converges by the comparison test.

Therefore, the summation notation converges.

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On solving the equations x + y + z = 6400 and 0.08x + 0.096y + 0.144z = 744, the values for first, second and third investments are $1500, $1700 and $3200 respectively.

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 ("=").

Susan places $6400 in three investments at rates of 8%, 9.6% and 14.4% per annum, respectively.

Let the amount of each investment be x, y and z.

So the mathematical form of the statement is -

x + y + z = 6400

The total income after one year is $744.00.

So the mathematical form of the statement is -

0.08x + 0.096y + 0.144z = 744

The amount placed in the third investment is $1500 more than the amount placed in the second.

So the mathematical form of the statement is -

z = (y + 1500)

Substitute the value of z in first equation -

x + y + (y + 1500) = 6400

x + 2y = 6400 - 1500

x + 2y = 4900

x = (4900 - 2y)

Substitute the value of z in second equation -

0.08x + 0.096y + 0.144(y + 1500) = 744

0.08x + 0.096y + 0.144y + 216 = 744

0.08x + 0.24y = 744 - 216

0.08x + 0.24y = 528

Substitute the value of x in this equation -

0.08(4900 - 2y) + 0.24y = 528

392 - 0.16y + 0.24y = 528

- 0.16y + 0.24y = 528 - 392

0.08y = 136

y = 136/0.08

y = 1700

Therefore, the value of second investment is 1700.

Substitute the value of y in formula for z -

z = (y + 1500)

z = 1700 + 1500

z = 3200

Therefore, the value of third investment is 3200.

Substitute the value of y in formula for x -

x = (4900 - 2y)

x = 4900 - 2(1700)

x = 4900 - 3400

x = 1500

Therefore, the value of first investment is 1500.

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The total number of pounds is 315 pounds

From the question, we have the following parameters that can be used in our computation:

Number of bags = 5

Weight of each bag = 63 pounds

This means that

Total weight = 5 * 63

Evaluate the product

Total weight = 315 pounds

Hence, the total weight is 315 pounds

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On solving the provided question, we can say that a Formula is a mathematical statement that calculates a value.

In mathematical symbols, a formula is a fact or a rule. Usually, an equal symbol links two or more values. Formulas can be used to determine a quantity's value if you know the value of one. A formula is a collection of mathematical signs and figures that show you how to solve a problem. Examples include formulae for determining the volume of 3D objects and formulas for estimating the perimeter and area of 2D shapes. A mathematical rule or relationship that expresses a variable quantity using letters is called a formula. We refer to these as variables.

A formula is a mathematical statement that calculates a value.

for, example to calculate area of triangle we need a formula.

that formula for area of triangle is = 1/2 * b * h.

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The equations x² + 4x + 3 = 0 and x² -6x + 13 = 0 are equivalent to (x + 2)² = 1 and (x - 3)² = -4

An equation is an expression that shows the relationship between two or more numbers and variables. An equation can either be linear, quadratic, cubic and so on

The standard equation of a quadratic function is:

y = ax² + bx + c

1) Given that:

x² + 4x + 3 = 0

subtract 3 from both sides:

x² + 4x = -3

add to both sides the square of half the coefficient of x:

x² + 4x + 4 = -3 + 4

(x + 2)² = 1

2) Given that:

x² - 6x + 13 = 0

subtract 13 from both sides:

x² - 6x = -13

add to both sides the square of half the coefficient of x:

x² - 6x + 9 = -13 + 9

(x - 3)² = -4

The equations are (x + 2)² = 1 and (x - 3)² = -4

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On solving the provided question, we can say that  The area of the arrow is equal to A = A1 + A2 = 68+12 = 80 cm sq.

The size of an area on a surface can be expressed as an area. The area of an open surface or the boundary of a three-dimensional object is referred to as the surface area, whereas the area of a planar region or planar region refers to the area of a form or planar layer. The total amount of space filled by a planar (2-D) surface or shape of an object is known as its area. Draw a square on a piece of paper using a pencil. a character with two dimensions. The area of a shape on paper is the space it takes up. Imagine that the square is composed of more compact unit squares.

The area of rectangle is equal to

A1 = LW

L = 17cm

W = 4cm

A1 = 68 cm sq.

The area of triangle is equal to

A2 = 1/2*b*h

A2 = 1/2*8*3

A2 = 12 cm sq.

The area of the arrow is equal to

A = A1 + A2 = 68+12 = 80 cm sq.

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The correct question is -

In the figure, the dashed line divides the arrow in half. What is the total area of the arrow? 60 square centimeters 68 square centimeters 80 square centimeters 82 square centimeters

Answer:

The monthly high temperature must be less than 25° Fahrenheit.

The coordinates of the image is A'(3, 4), B'(1, 1), C'(-2, 2) and D'(-3, 4).

A point, line, or geometric figure can be transformed in one of four ways, each of which affects the shape and/or location of the object. Pre-Image refers to the object's initial shape, and Image, after transformation, refers to the object's ultimate shape and location.

Given:

A(-3, -4), B(-1, -1), C(2, -2) and D(3, -4).

In case the quadrilateral ABCD is rotated 180° counterclockwise about the origin, then according to the rule for the rotation of point (x, y) by 180° (x, y) changes into (-x, -y).

Then, the coordinates of the image is

A'(3, 4), B'(1, 1), C'(-2, 2) and D'(-3, 4).

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The period of the sinusoidal function is given as follows:

5 units.

A periodic function is a function that has the behavior repeating in intervals over the domain of the domain.

Then the period of the function is defined as the shortest difference between two points in which the function has the same behavior.

One of the examples of the shortest difference in this problem is between x = 1 and x = 6, hence the period is calculated as follows:

6 - 1 = 5 units.

Meaning that for the sinusoidal function, the following statement is true:

f(x + 5) = f(x) for all values of x.

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1) The sequence that represents the amount of money left in Isla's bank account at the beginning of each semester is 100,000 - 8,500n.

2) At the end of 10 semesters when Isla graduates, the amount of money left in her account (balance) is $15,000.

The total deposit in Isla's account with interest = $100,000

The withdrawal per semester = $8,500

The number of semesters for Isla to graduate = 10

Let n represent the number of past semesters.

After of money left after each semester can be modeled as 100,000 - 8,500n.

Based on this sequence, after 10 semesters, Isla's account have a balance of $15,000 (100,000 - 8,500(10).

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Answer:

no. 2/8 is equivalent to 1/4 and not equal to 1/6

The range of the function is -5 ≤ f(x) ≤ 5.

The correct option is C.

A relation between a collection of inputs and outputs is known as a function. A function is a connection between inputs in which each input is connected to precisely one output. Each function has a range, co-domain, and domain.

A graph of function is given.

The range of the function is all the achievable values.

So, the range of the function is,

-5 ≤ f(x) ≤ 5.

Therefore, the range is -5 ≤ f(x) ≤ 5.

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Janna will use 30 marshmallows and 45 graham crackers to make 15 s'mores.

Multiplication is a mathematical arithmetic operation. It is also a process of adding the same types of expression for some number of times.

Example - 2 × 3 means 2 is added three times, or 3 is added 2 times.

Given:

Janna wants to make s'mores at the backyard campfire.

The table below shows the parts of marshmallows to graham crackers to make s'mores.

S'mores  Marshmallows  Graham Crackers

4                   8                           12

15

That means, the rate is,

8/4 = 2 Marshmallows for each S'mores,

And 12/4 = 3 Graham Crackers for each S'mores.

Therefore, 30 marshmallows and 45 graham crackers to make 15 s'mores.

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Answer:

30 marshmallows and 45 graham crackers

Step-by-step explanation:

The price is £12,880.

First, do 14000  x 0.08 = 1,120.

Next do 14,000 - 1,120 = 12,880.

So, the price is £12,880.

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Answer:

158

Step-by-step explanation:

So the sample size said 15 out of 50. Using the sample size to relate to the total number of students, we get this ratio

[tex] \frac{15}{50} = \frac{x}{526} [/tex]

Let's cross multiply

[tex]50x = (15)(526)[/tex]

[tex]50x = 7890[/tex]

Last, divide by 50 to get X alone

[tex]x = 157.8[/tex]

Which rounds up to 158

Answer:

B

Step-by-step explanation:

Should be B.

Derivative of 9X^2 is 18x because the exponent multiplied by the coefficient is 18 and the exponent minus 1 is just 1.

Derivative of 1 is 0 because derivative of any real number is 0

Derivative of y^2 is 2y dy/dx because derivative of y^2 is 2y since the exponent 2 times the coefficient 1 equals 1. And the exponent 2 minus 1 is simply 1.

BUT since it's respect to x, we have to add dy/dx right at the end of the 2y