simplify the algebraic expressions completely.
7. (4-4). K

and

simplify the algebraic expression completely.
d+12-8/4+5

The functions f and  have the same axis of symmetry and the y-intercept of f is less than the y-intercept of g.

What is a graph ?

Graph can be defined as the visual representation of the given data using ordered pairs.

Graph of f(x)

You can read the y-intercept on the graph. It is the value of y-coordinate when x = 0; so ti is y = 6.

The axis of simmetry is the vertical line that split the graph into two symmetrical forms. That is the same that the vertical line that passes through the vertex. You can see that it is x = 2

2) Table of values of g(x)

The y-intercept is the value of y-coordinate when x = 0, so it is y = 8.

The axis of symmetry is x = 2.

Hence, The functions f and  have the same axis of symmetry and the y-intercept of f is less than the y-intercept of g.

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To calculate the amount of money in Roberto's savings account after 5 years, you can use the formula for simple interest:

I = Prt

Where:

I = Interest earned

P = Principal (original amount of money in the account)

r = Annual interest rate (expressed as a decimal)

t = Number of years

In this case, the principal is $250, the annual interest rate is 5% (or 0.05 as a decimal), and the number of years is 5.

So, you can plug these values into the formula:

I = 250 * 0.05 * 5

To find out the total amount of money in the account after 5 years, you need to add the interest to the principal:

250 + I = 250 + (250 * 0.05 * 5) = 250 + 62.5 = $312.5

Roberto's account will have $312.5 after 5 years.

Answer:   255

Step-by-step explanation:

Try thinking backwards first; 51*(0.20)=10.2, or 10.2 is 20% of 52

To find 20% of the unknown number, just divide 51 by 0.20

51/0.20=255

Whatever the answer is, you know it has to be larger than the original number.

Using the triangle inequality theorem, the length of the third side is: D. 4 < c < 42.

The triangle inequality theorem states that for any triangle, the sum of the lengths of any two sides must be greater than the length of the third side.

In this case, we know that side A measures 23 inches and side B measures 19 inches. To find possible values for side C, we can use the triangle inequality theorem by adding the lengths of sides A and B and comparing the sum to all possible values of side C.

A + B > C

23 + 19 > C

42 > C

So, the length of side C must be less than 42 inches.

Also

C > A - B

C > 23 - 19

C > 4

So, the length of side C must be greater than 4 inches.

Therefore, the possible side lengths of the third side, C, must be between 4 inches and 42 inches (not including 4 inches and 42 inches).

The answer is: D. 4 < c < 42

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Answer:

20

Step-by-step explanation:

To find the line of best fit, we can use the equation for a linear regression: y = mx + b, where y is the price, x is the weight in ounces, m is the slope of the line, and b is the y-intercept.

To estimate the price when the weight is 48 ounces, we can plug in x = 48 into the equation: y = mx + b, and solve for y.

The correlation coefficient, denoted by r, is a measure of the strength and direction of the linear relationship between two variables. It ranges from -1 to 1, with -1 indicating a perfect negative correlation, 0 indicating no correlation, and 1 indicating a perfect positive correlation.

In this case, the correlation coefficient means that how strong and direction of the relationship between the price and weight of cereal. A correlation coefficient of 1 means that there is a perfect positive correlation between the two variables, which means that as the weight of the cereal increases, so does the price. A correlation coefficient of -1 means that there is a perfect negative correlation between the two variables, which means that as the weight of the cereal increases, the price decreases. A correlation coefficient of 0 means that there is no correlation between the two variables, which means that there is no relationship between the weight of the cereal and the price.

Answer:

$110 is what she started with

Step-by-step explanation:

The y-intercept for function f(x) has the same value as the x-intercept of f-inverse.

What is a function?

A function is defined as a relation between a set of inputs having one output each. In simple words, a function is a relationship between inputs where each input is related to exactly one output. Every function has a domain and co-domain or range. A function is generally denoted by f(x) where x is the input. The general representation of a function is y = f(x).

There are several types of functions in math. Some important types are:

Injective function or One to one function: When there is mapping for a range for each domain between two sets.

Surjective functions or Onto function: When there is more than one element mapped from domain to range.

Polynomial function: The function which consists of polynomials.

Inverse Functions: The function which can invert another function.

As

we can see from figure that y-intercept for f(x)=3

and x-intercept for f inverse = 3

Hence,

         The y-intercept for function f(x) has the same value as the x-intercept of f-inverse

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Answer:

x-intercept

domain of f

Step-by-step explanation:

i just did it

Answer: Total amount invested:

= 200000

Total amount earned from investements:

0.109x + 0.029y + 0.05z = 11165

Relation of bonds and CDs:

= +20000

Step-by-step explanation:

All the solution of the blank words are given below.

A reflection is a type of transformation that involves flipping a shape, known as the preimage, over a line, known as the line of reflection, to produce a new shape (called the image). You can picture what would happen if you flipped the form over the line in order to graph a reflection.

Given:

Figure ABCD is the pre-image.

And A'B'C'D' is the image.

The line of the reflection is y = 0.

The coordinates of the output:

A'(3, -6), B;(1, -1), C'(11, - 1) and D'(6, -6)

Therefore, all the blank words are given above.

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The required values are A) 5/3, B) 15, C) 20, D) 86°, E) 15°.

Two triangles are said to be comparable if their two sides are in the same ratio as the two sides of another triangle and their two sides' angles inscribed in both triangles are equal. Consequently, if A = X and AB/XY = AC/XZ, then ABC XYZ.

Because of similarity, Corresponding angles are equal and corresponding sides are Proportional.

So,

In ΔABC

∠A = 180 - 60 - 36

∠A = 180 - 96 = 86°

Which is equal to ∠F

So,D) angle ∠F = 86°

A) Scale factor = AB/EF

= 5/3

So Scale factor is 5/3.

We can say length of side ΔABC = 5/3 Side of ΔDEF.

So, For x

25 = 5x/3

x = 15

For y

y = 5(12)/3

y = 20

And value of z,

4z = 60 degree

z = 15 degree.

Thus, required values are A) 5/3, B) 15, C) 20, D) 86°, E) 15°

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The coordinates of the final image are

A'' (3, 2)

B'' (0, 2)

C'' (2, 3)

The coordinates of the preimage are A(2,3), B(2,0), and C(3,2)

The transformation rule for a 90 degrees clockwise rotation is

(x, y) → (y,-x)

hence we have

A(2,3), → (3,-2)

B(2,0) → (0,-2)

C(3,2) → (2,-3)

The transformation rule for reflection in the y axis is

(x, y) → (x,-y)

hence we have

A'(3,-2) → (3, 2)

B'(0,-2) → (0, 2)

C'(2,-3) → (2, 3)

The image is plotted and attached

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The slope is -Ea/R and the intercept is equal to ln(A)

The Arrhenius equation is a mathematical equation that describes the relationship between the rate constant of a chemical reaction and temperature:

k = Ae^(-Ea/RT)

where k is the rate constant, A is the pre-exponential factor, Ea is the activation energy, R is the gas constant, and T is the temperature in Kelvin.

The slope and intercept of the linear plot of the Arrhenius equation using a semilogarithmic (semilog) plot can be determined by transforming the equation into a linear form. The semilog plot is created by taking the logarithm of the rate constant (k) on the y-axis and the reciprocal of the temperature (1/T) on the x-axis:

ln(k) = ln(A) - Ea / RT

The slope of the plot is equal to -Ea/R and the intercept is equal to ln(A). By fitting a straight line to the semilog plot, the values of Ea and A can be determined.

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Hand-grip strength is a sign of general toughness and a good indicator of significant consequences.

For grip strength measurements, current, population-specific reference values are required to interpret the results appropriately.

Objectives

To offer grip-strength reference values and formulae based on population for US citizens ages 18 to 85.

Methods

In this cross-sectional study, hand-grip data from 1232 participants, aged 18 to 85, were taken from the database of the 2011 normative phase of the US National Institutes of Health Toolbox project. Equations and descriptive reference values were derived from the data.

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The question is incomplete
the standard deviation for hand grip strength. what Objectives and Methods of the distribution

Answer:

¿Qué quieres comer?

Step-by-step explanation:

A whopping 95% of people fall within the IQ ranges of 70 and 130. 99.7% of people in the world have IQs between 55 and 145. Only about 0.3% of people have IQ scores that fall outside of this range (less than 55 or higher than 145).

According to the one-standard-deviation rule, 32 percent of the population has an IQ score that is at least 15 points off from 100: 16 percent have IQs over 115, and 16 percent have IQs below 85.

The equation IQ=mc100, where m is the mental age and c is the chromological age, determines a person's IQ. Find the range of their mental ages if a group of 12-year-old youngsters has an IQ between 80 and 140.

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Answer:

False. This may be true with a trapezoid but not with a square or rectangle, seeing they have 2.

Step-by-step explanation:

Hope it helps! =D

The parent function by reversing rigid transformations are, respectively:

Case 6: f(x) = x³

Case 7: f(x) = √x

Case 8: f(x) = ㏒ x

Case 9: f(x) = |x|

Case 10: f(x) = x²

Parent functions are the most simple form of a kind of expression (i.e. power, exponential, logarithms, roots). In this problem we find five cases of images of parent functions, that is, versions modified by rigid transformations. The most common rigid transformations are, respectively:

Horizontal translation

f(x) → f(x - k)

Vertical translation

f(x) → f(x) + k

Reflection about x-axis

f(x) → - f(x)

Reflection about y-axis

f(x) → f(- x)

Vertical dilation

f(x) → k · f(x)

Horizontal dilation

f(x) → f(k · x)

Now we proceed to revert the rigid transformations used in each function:

Case 6

f(x) = 2 · (x + 6)³ + 11

Vertical translation - Horizontal translation - Vertical dilation

f(x) = x³

Case 7

f(x) = 7 + (1 / 2) · √(x - 3)

Vertical translation - Horizontal translation - Vertical dilation

f(x) = √x

Case 8

f(x) = 5 - ㏒ (x + 1)

Vertical translation - Reflection about x-axis - Horizontal translation

f(x) = ㏒ x

Case 9

f(x) = - 3 · |x + 10| + 7

Vertical translation - Reflection about x-axis - Dilation - Horizontal translation

f(x) = |x|

Case 10

f(x) = (3 / 5) · (x - 8)² - 4

Vertical translation - Dilation - Horizontal translation

f(x) = x²

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Answer:

x = 6

Step-by-step explanation:

[tex]\frac{8}{12}[/tex] = [tex]\frac{x}{9}[/tex] ( cross- multiply )

12x = 72 ( divide both sides by 12 )

x = 6

The solution for the given equations is x = 26, y = 15.

What is the linear equation in two variables?

A linear equation in two variables is an equation that can be written in the form of "ax + by = c", where a, b, and c are constants, and x and y are the variables.

To solve the equation y = x-11 for x, we can add 11 to both sides of the equation, resulting in y+11 = x.

To solve the equation y=15 for x, we can substitute 15 in the place of y in the first equation

15 = x - 11

So, x = 26

Hence, the solution for the given equations is x = 26, y = 15.

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Plan 2 can be used to save $500 in less than 16 weeks and have $20 extra.

The number of weeks and y, which is the equation we wish to utilise, stand in for the total amount saved. Our equation will then be 15 x. Instead of the other way around, he will save 330.

Plan  Amount saved per week Total amount saved in 16 weeks

1      $31.25                                         $500

2      $35                                             $560 (with $60 extra)

3      $40                                              $640 (with $140 extra)

Plan 2 can be used to save $500 in less than 16 weeks and have $20 extra.

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Answer:

1: 0.15x = 0.15x * x = discount (percentage) * original price = discount

2: x - 0.15x = x (1 - 0.15) = original price - discount

3: 0.15 x 15.99 = 2.39

15.99 - 2.39= 13.59

x= $13.59

Tubby is not correct. 1.15x is not an expression that represents the new price for the ornament. It represents the original price plus a 15% increase, not a discount. To find the new price after a discount, you need to multiply the original price by (1- the percentage discount) or subtract the percentage discount from the original price.

Step-by-step explanation:

Answer:approximatly -1.63092975357148

Step-by-step explanation:To solve the equation (1/2)^7x+1 = -9, we first need to get all the terms on one side of the equation by subtracting 1 from both sides. This gives us (1/2)^7x = -10.

Next, we need to get x by itself, so we take the log base 2 of both sides.

This gives us log base 2 of (1/2)^7x = log base 2 of -10.

The log base 2 of (1/2)^7 is -7, so we have -7x = log base 2 of -10

Finally, we divide both sides by -7 and get x = log base 2 of -10/-7

Using a calculator we can calculate this value which is approximatly -1.63092975357148

x = log base 2 of -10/-7 = -1.63092975357148

The largest prime number that divides the given expression is 229.

We can factorize the given expression as follows:

[tex]$0! \times 1 \times 1! \times 2 \times 2! \times 3 \times 3! \times \cdots \times 50! \times 50$[/tex]

Now, we can cancel out all the factorials from both sides, leaving us with:

[tex]$1 \times 1 \times 2 \times 2 \times 3 \times 3 \times \cdots \times 50 \times 50$.[/tex]

The largest prime factor of any composite number is the largest prime factor of its prime factorization. By the fundamental theorem of arithmetic, we know that the prime factorization of any composite number is unique.

The prime factorization of a number can be found by dividing the number by prime numbers and keeping dividing the quotient by prime numbers until the quotient is prime.

Now, we can start dividing the given number (the product of all numbers from 1 to 50) by the smallest prime number, 2, and keep dividing the quotient by the next prime number until the quotient is prime.

The largest prime factor of the given expression is the largest prime factor of the final quotient.

The final quotient is

[tex]2^{24} \times 3^{12} \times 5^9 \times 7^7 \times 11^5 \times 13^4 \times 17^3 \times 19^3 \times 23^2 \times 29^2 \times 31^2 \times 37^2 \times 41^2 \times 43^2 \times 47^2 \times 53^2 \times 59^2 \times 61^2 \times 67^2 \times 71^2 \times 73^2 \times 79^2 \times 83^2 \times 89^2 \times 97^2 \times 101^2 \times 103^2 \times 107^2 \times 109^2 \times 113^2 \times 127^2 \times 131^2 \times 137^2 \times 139^2 \times 149^2 \times 151^2 \times 157^2[/tex]

[tex]\times 163^2 \times 167^2 \times 173^2 \times 179^2 \times 181^2 \times 191^2 \times 193^2 \times 197^2 \times 199^2 \times 211^2 \times 223^2 \times 227^2 \times 229^2$[/tex]

The largest prime factor of the final quotient is the largest prime factor of the prime factorization, which is 229.

So the largest prime number that divides the given expression is 229.

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Answer: 2) x=60

Step-by-step explanation:

Answer: 12.5% is 1/8

Answer: 25/2 would be your answer, as it is already in it's simplest form.  I hope this helps! :)

Step-by-step explanation:

The money that a organisation earns in return for their labour or products is referred to as income.She make from each source last year $6000.

The money that a person or organisation earns in return for their labour or products is referred to as income.

Salary, rent, capital gains, company revenue, and income from other sources are a few typical sources of income. Understanding how each type of income is taxed is not always simple, and you may require an income tax calculator to do so.

Let t=teaching income, p=painting income, and b=book sales income.

t=p+6000 b=(t+p)/7 b+t+p=48000 (t+p)/7 +p+6000+p=48000 substitute (2p+6000)/7 + p+6000 + p = 48000 (2p+6000) + 7(p+6000) + 7p = 7*48000 multiply each side by 7 to eliminate the fraction.

substitution (2p+6000)/7 + p+6000 + p = 48000 (2p+6000) + 7(p+6000) + 7p = 7*48000

2p+6000+7p+42000+7p=336000

16p+48000=336000

16p=336000-48000

16p=288000 \s16p/16=288000/16

p=$18,000.

t=18000+6000

t=$24,000.

b=(24000+18000)/7

=42000/7

=$6000.

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Answer:

y = -3x + 3

Step-by-step explanation:

the equation of a line in point-slope form is.

y - [tex]y_1[/tex] = m(x - [tex]x_1[/tex])
y - (-6) = -3 (x - 3)

y+6 = -3x+9

Answer:

y = -3x+3

Step-by-step explanation:

Remember that y = mx+c

The slope is m aka the gradient and we know that that's -3.

So just chuck it into the equation:

y = -3x + c

We still have to find c (which is the y intercept)

So substitute the point (3,-6) into the equation

We will have: -6 = -3(3) +c

Once you do algebra you'll get 3=c

So substitute that back into the equation (without the point (3,-6) since we only need the equation)

y = -3x + 3

Check the picture below.

Yes, each of the four sections for books is a rectangle because all four sides of the section are straight lines and the opposite sides are the same length.

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The factors of the expression mn-4m-5n+20 are (m-5)(n-4)

Expressions in math are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between.

Given that, an expression mn-4m-5n+20, we need to factorize it,

On factorizing the expression, mn-4m-5n+20, we get,

= mn-4m-5n+20

= m·n-4·m-5·n+5·4

= m(n-4)-5(n-4)

= (m-5)(n-4)

Hence, the factors of the expression mn-4m-5n+20 are (m-5)(n-4)

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