Which one is function?

Step-by-step explanation:

Given that

To find

So, according to the question

we have,

So, we know that

The equation of parabola, that reflected over the  y axis, and horizontally compressed by a factor of m and translated up c units:

                  x = - my² + c ---------------(1)

Where,

    m show the a factor, c showing translation.

    And - sign show the compression.

Now, put the all given values in equation (1),

So, we will get

                  x = - my² + c ---------------(1)    

                   x = - [tex]\frac{1}{2} y^2[/tex] + 6          

Answer:

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Answer:

Above sea level (positive)

Below sea level (negative)

Temperature (can be both)

Money loans (can be both)

science (protons have both negative and positive charge)

Step-by-step explanation:

The function, after the transformations is y'' = 1/4(x +84)

The function equation is given as:

y = |x|

1) Reflect the function about the y-axis.

This is represented as

(x, y) = (-x, y)

So, we have:

y' = |-x|

This gives

y' = |x|

This is represented as

(x, y) = (x, 1/4y)

So, we have:

y'' = 1/4y'

This gives

y'' = 1/4|x|

This is represented as

(x, y) = (x + 84, y)

So, we have:

y'' = 1/4(x +84)

Hence, the function, after the transformations is y'' = 1/4(x +84)

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The nearest whole number (ones place).

$14.59+ $5.83 + $0.89 =21 rounding off

Given,

$14.59+ $5.83 + $0.89

Whole no. is 0,1,2..

If we add these number we get 21.31 is 21

When rounding numbers, there are several basic guidelines that must be observed.

We must first determine our rounding digit. This is the digit that will be affected in the end.

Following that, we must examine the digit to the right of this location, which will determine the fate of the rounding digit.

We do not modify the rounding digit if the digit to the right is less than 5. All digits to the right of the rounding digit, however, are altered to 0.

If the digit to the right is 5 or greater, the rounding digit is increased by one, and all digits to the right of the rounding digit are converted to 0.

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Answer:

x=45+5b

Step-by-step explanation:

x is  the total

Answer:

35/20 yards

Step-by-step explanation:

We know the keyword “cut” means to divide, so we now know we have to use division.

7 3/4÷5/1

First, make 7 3/4 an improper fraction.

7 x 4 = 28

28+7= 35

Remember to keep the denominator.

35/4 ÷ 5/1

Then, use the method Keep, Change, & Flip.

(35/4)(1/5) = 35/20

Therefore…

Each piece will be 35/20 yards long.

Answer:

£1.6

Step-by-step explanation:

we can round 1.252 to 1.25

to find how much 2 euros is, we first have to make 1.25 into 2.

to do that, we will use the same equation to get the answer for £

1.25/5*8=0.25*8=2. now we repeat for £1

1/5*8=0.20*8=1.6

hope it helps

Answer:

AM= 2x+4

MB= 5x-8

AB= ?

So to get AB, you would need to find the total measurements of AM and MB.

AM=MB

2x+4=5x-8

2x=5x-12

-3x=-12

x=4

So now to find the measurement of AB, you need to plug it into AM and MB.

2(4)+4+5(4)-8= 24!!!

So the measure of AB would be 24.

Step-by-step explanation:

According to the given statement

Money is spent on food =8640

on rent is = 3240

Savings refers to the money that is left over after consumer expenditure is deducted from disposable income during a specific time period. Savings, then, is the net amount of money that a person or household has left over after all bills and commitments have been paid.

Savings are retained as cash or cash equivalents (such as bank deposits), which carry negligible risk of loss but also negligibly low returns. Savings can increase through investing , but doing so necessitates risking some of the money.

According to the given value;

saving = 36000 x 2/5

= 7200 x 2

=14400

=36000- 14400

=21600. left

food = 40/100 x 21600

=40 x 216

=8640

rent = 15/100 x 21600

=15 x 216

=3240

Money is spent on food =8640

and on rent is = 3240

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Answer:

10

Step-by-step explanation:

Opposite sides of a trapezoid are parallel. So, by the same-side interior angles theorem,

[tex]9x+30+7x-10=180 \\ \\ 16x+20=180 \\ \\ 16x=160 \\ \\ x=10[/tex]

The solution to the system of the equations h = (1/2)t + 4 and h = (1/4)t + 5.5 will be 7 cm and 6 weeks.

The distribution of weights to the variables involved that establishes the equilibrium in the calculation is referred to as a result.

Half a centimeter grows on a 4 cm bean plant per week. One-fourth of a centimeter is added to a 5.5 cm bloom per week.

Let h be the height of the plant and t be the number of weeks. Then the equations will be

h = (1/2)t + 4

h = (1/4)t + 5.5

The solution to the equations will be

(1/2)t + 4 = (1/4)t + 5.5

(1/2 - 1/4)t = 5.5 - 4

t / 4 = 1.5

t = 6

Then the height of the plant will be

y = (1/2)6 + 4

y = 3 + 4

y = 7

The solution to the system will be 7 cm and 6 weeks.

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The variable terms of the expression 5 - 8n - 3n² are: n, n²

(5 - 8n - 3n²)

In this question, we have been given an expression 5-8n-3n^2

We need to name the variable terms of the expression.

Also, we need to underline the variable part of each term.

We know that,  variable is a term which represents an unknown value or quantity.

We have been given an quadratic expression.

5 - 8n - 3n²

We can observe that, 5, -8, -3 are fixed numbers i.e., constants.

And the alphabet n can take any real value.

Consider the first term,

5 => it is a constant

Consider the second term,

- 8n => here, the variable is n

Consider the third term,

- 3n² =>  here, the variable is n²

Now, we underline the variable part of each term.

5 - 8n - 3n²

Therefore, the variable terms of the expression 5 - 8n - 3n² are: n, n²

(5 - 8n - 3n²)

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The linear equation that passes through (10, 6) and (30, 12) is:

y = (3/10)*x + 3

Remember that the general line equation (in the slope-intercept form) is:

y = a*x + b

Where a is the slope and b is the y-axis intercept.

If the line passes through two points (x₁, y₁) and (x₂, y₂), the slope will be:

a = (y₂ - y₁)/(x₂ - x₁)

Then in this case the slope is:

a  = (12 - 6)/(30 - 10) = 6/20 = 3/10

Replacing that in our line we get:

y = (3/10)*x + b

To find the value of b we replace the values of one of the points, i will use (10, 6), it gives:

6 = (3/10)*10 + b

6 = 3 + b

6 - 3 = b = 3

Then we conclude that the linear equation is:

y = (3/10)*x + 3

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Answer:

No solution

Step-by-step explanation:

First I plugged the value of y into the equation 10x-2y=, which gave me
10x- 2(5x - 3) = 7. Then you can distribute the -2 into the parenthesis giving you 10x - 2(5x)(-2 x -3) = 7. This leaves us with 10x- 10x + 6 = 7, because two negatives multiplied together form a positive. Now you subtract six from both sides to keep it equal, and you're left with 10x-10x= 1. This gives you 0= 1, which is not possible, so there is no solution.

We can check our work by putting 10x -2y= 7 into y=mx+b format, by subtracting 10x from both sides, leaving you with -2y = -10x+ 7. then you can divide out the -2, giving you y= 5x+ 7/5. Notice how the slopes in both our equations are 5x. This means that they are a group of parallel lines, bc they both stay at the same rate, despite having different y-intercepts or starting points.

I hope this helps and please let me know if you have any other questions or need somethign to be explained more :D

The values of the two unknowns x and y are 8 and 32 respectively.

Here, we are given the following set of ratios-

21x, 1/4, y/8

These ratios are all equivalent, this implies-

2/x = 1/4 = y/8

Let us take the first two ratios-

2/x = 1/4

cross multiplying the two we get

2 x 4 = x

8 = x

x = 8

We've found the value of x

Now, let us take the other two ratios-

1/4 = y/8

again, cross multiplying the two we get

y = 4 x 8 y = 32

Thus, the values of the two unknowns x and y are 8 and 32 respectively.

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Your question was incomplete. Check for full content below-

21x, 1/4, 7/8

If the given set of ratios is equivalent, find the unknowns.

Answer: The answers are (-8,8) and (2,-12)

Step-by-step explanation: I substituted the coordinates into the equations and on both sides they matched!

Hope this helps! :3

Answer:9874

Step-by-step explanation:

The area of the remaining part of a large rectangle is 8m².

It should be noted that the original rectangle had sides of 8m by 6m.

In this case, it was stated that 4m was cut out from each side. The value of the remaining sides will be:

Area = Length × Width

Area = (8 - 4) × (6 - 4)

Area = 4 × 2

Area = 8m²

Therefore, the area of the remaining part of a large rectangle is 8m².

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Answer:

     the value of h(4) is 36 from given equation.

Step-by-step explanation:

Given that

        h(x) = x³ - 2x² + x

To find

So, according the question

We have,

        h(x) = x³ - 2x² + x

For finding the value of h(4) from the given polynomial equation, we have to replace x from 4 or in other word we have to put x = 4 in given polynomial equation.

So, let's put x = 4 in that equation.

We get,

        h(4) = (4)³ - 2(4)² + 4

               = 64 - 2×16 + 4

               = 68 - 32

        h(4) = 36  

Answer: Hance the value of h(4) is 36 from given equation.

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In linear equation ,the time taken by Evian, Toby and J are 10, 9 and 12 minutes respectively.

What is linear equation?

Using the concept of proportional relationship, the time taken by Evian, Toby and J are 10, 9 and 12 minutes respectively.

Using the concept of proportional relationship :

For Evian :

1.5 miles = 15 minutes

1 mile = x

1.5x = 15

x = 15 / 1.5

x = 10 minutes

For Toby :

2/3 miles = 6 minutes

1 mile = x

2/3x = 6

x = 6 ÷ 2/3

x = 9 minutes

For J :

0.75 miles = 9 minutes

1 mile = x

0.75x = 9

x = 9 / 0.75

x = 12 minutes

Therefore, the time taken by Evian, Toby and J are 10, 9 and 12 minutes respectively.

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The complete question is -

Students at Polk Middle School are given a fitness test. The results of their tests are shown in the table. Use the table to answer questions d-c. a. Find the time it takes each student to run 1 mile. FITNESS TEST RESULT Evian 1 1/2 miles in 15 minutes Toby: 2/3 miles in 6 minutes Jillian 3/4 miles in 9 minutes.​

The slope of the line represented by the graph of a linear function is  -2/3.

The general equation of a straight line is -

y = mx + c

where -

m → slope of line

c → y - intercept of line

Given in a question a linear function that decreases from left to right passing through the coordinates A(2, 0) and B(5, -2).

A linear function is a function of general equation → y = ax + b which is same as y = mx + c. So, it represents a straight line.

The line passes through the points A (2, 0) and  B (5, -2). The Slope of the given line can be calculated using the following formula -

m = (y[2] - y[1]) / (x[2] - x[1])

m = (- 2 - 0) / (5 - 2)

m = -2/3

Therefore, the slope of the line represented by the graph of a linear function is  -2/3.

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The slope of the line represented by the graph of a linear function is  -2/3.

What is the general equation of a straight line?

The general equation of a straight line is -

y = mx + c

where -

m → slope of line

c → y - intercept of line

Given in a question a linear function that decreases from left to right passing through the coordinates A(2, 0) and B(5, -2).

A linear function is a function of general equation → y = ax + b which is same as y = mx + c. So, it represents a straight line.

The line passes through the points A (2, 0) and  B (5, -2). The Slope of the given line can be calculated using the following formula -

m = (y[2] - y[1]) / (x[2] - x[1])

m = (- 2 - 0) / (5 - 2)

m = -2/3

Therefore, the slope of the line represented by the graph of a linear function is  -2/3.

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The value of the expression in scientific notation is 1.2913 * 10^5

The expression is given as:

(1.28 × 105) + (1. 13 × 10³)

Rewrite properly as

(1.28 × 10^5) + (1. 13 × 10^3)

Express 10^3 as 10^-2 * 10^5

So, we have

(1.28 × 10^5) + (1. 13 × 10^3) = (1.28 × 10^5) + (1. 13 × 10^-2 * 10^5)

Factor out 10^5

So, we have:

(1.28 × 10^5) + (1. 13 × 10^3) = (1.28 + 1. 13 × 10^-2) * 10^5

This gives

(1.28 × 10^5) + (1. 13 × 10^3) = (1.28 + 0.0113) * 10^5

Evaluate the sum

(1.28 × 10^5) + (1. 13 × 10^3) = 1.2913 * 10^5

Hence, the value of the expression in scientific notation is 1.2913 * 10^5

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The scientific notation of (1.28 × 105) + (1. 13 × 10³) is  1.2913 × 10⁵

Scientific notation is a form of presenting very large numbers or very small numbers in a simpler form.

The proper format for scientific notation is a × 10ᵇ

where

Therefore, let's evaluate (1.28 × 10⁵) + (1. 13 × 10³)

(1.28 × 10⁵)  = 128000

(1. 13 × 10³)  = 1130

Hence,

(1.28 × 10⁵) + (1. 13 × 10³) = 128000 + 1130 = 129130

In scientific notation,

(1.28 × 10⁵) + (1. 13 × 10³) = 129130 = 1.2913 × 10⁵

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11 > x is the possible values for the number.

In algebraic formulations, numbers are represented by letters or alphabets without their numerical values being specified. The fundamentals of algebra taught us how to represent an unknown value using letters like x, y, and z. Here, these letters are referred to as variables. A mathematical expression may have both variables and constants. A coefficient is any value that is introduced before and increased by a variable.

Given that :The sum of a number x and 33 is greater than the product of 4 and that number.

x + 33 > 4x

33 > 3x

11 > x

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Value of the manuscript is as follows

A. The value of the manuscript 5 years ago is $250.

B. The value of the manuscript now is $10,000.

Appreciation is an increase in the value of an asset over time. This is unlike depreciation, which lowers an asset's value over its useful life. The appreciation rate is the rate at which an asset grows in value.

% increase=(new price - original price) / original price

8.0= 2000/original price

8*original price = 2000

original price = $250

So the value of the manuscript 5 years ago is $250.

Increase is 2000 , 5 times that.

new price is $10,000

The value of the manuscript now is $10,000.

Hence , the manuscript has the following value:

A. The manuscript was worth $250 five years ago.

B. The manuscript is currently worth $10,000.

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The solutions of the linear equations are below:

(1/3)*x + 7 = 3 + (2/3)*x  is true if x = 12

5r−8=9r−12   is true if r = 1

(5/9)t− 27 = (1/9)t + 21   is true if t = 108

−(1/2)(−5y+4) = 2 + 1/2y  is true if y = 2.

a) The first linear equation we have is:

(1/3)*x + 7 = 3 + (2/3)*x

To solve this, move all the like terms together (I will move the ones with x to the left side and the ones without x to the right side).

(1/3)*x - (2/3)*x = 3 - 7

Now we just simplify:

-1/3*x = -4

Now we isolate x:

x = -3*-4 = 12

x = 12

That is the solution of the linear equation, so remember, you just need to isolate the variable.

Let's do the same for the other ones:

2) 5r−8=9r−12

5r - 9r = -12 + 8

-4r = -4

r = -4/-4 = 1

r = 1

3)  (5/9)t− 27 = (1/9)t + 21

(5/9)*t - (1/9)*t = 21 + 27

(4/9)*t = 48

t = (9/4)*48 = 108

4) −(1/2)(−5y+4) = 2 + 1/2y

Here we start by expanding the product in the left side, we will get:

(5/2)*y - 2 = 2 + (1/2)*y

(5/2)*y - (1/2)*y = 2 + 2

(4/2)*y = 4

2*y = 4

y = 4/2 = 2

y = 2

And so on, that is the general method to solve linear equations, just isolate the variable in one side of the equation and simplify the other side.

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Answer:

the father is 45 and the son is 15

The equation of the table is y = 28x

The slope intercept equation of a linear equation is as follows:

y = mx + b

where

Therefore, let's find the slope using (1, 28)(2, 56)

m = slope = 56 - 28 / 2 - 1 = 28

Therefore, let's find the y-intercept as follows:

using (1, 28)

28 = 28(1) + b

b = 28 - 28

b = 0

Hence, the equation of the table is y = 28x

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Answer: 5x+6y=13

               6x-12y=14

Answer:

Step-by-step explanation:

1. m1=50 so m5= 50 (corresponding)

2. m4=45, then m6=123 (given in 4. but also... angles 6+8 = 180)

3. m2= 130, so m7 = 130 (alt interior)

4. m6 = 123, so m3 = (alt interior)

Answer:

Try no solution

Step-by-step explanation:

Solving for the solution the answer is 4

Solving for x the answer is no solution