please help asap!!!


Rewrite the following equation as a function of x.

Please Help Asap!!!Rewrite The Following Equation As A Function Of X.

Answers

Answer 1

Answer:

B

Step-by-step explanation:

Answer 2

[tex]\quad \huge \quad \quad \boxed{ \tt \:Answer }[/tex]

[tex]\qquad \tt \rightarrow \:f(x)= 9280 - 20x [/tex]

____________________________________

[tex] \large \tt Solution \: : [/tex]

[tex]\qquad \tt \rightarrow \: \cfrac{1}{16} x + \cfrac{1}{320} y - 29 = 0[/tex]

[tex]\qquad \tt \rightarrow \: \cfrac{1}{16} x + \cfrac{1}{320} y = 29[/tex]

[tex]\qquad \tt \rightarrow \: \cfrac{20 x+ y}{320} = 29[/tex]

[tex]\qquad \tt \rightarrow \: 20x + y = 29 \sdot320[/tex]

[tex]\qquad \tt \rightarrow \: y = 9280 - 20x[/tex]

[tex]\qquad \tt \rightarrow \: f(x) = 9280 - 20x[/tex]

[tex] \textsf{Correct option - A } [/tex]

Answered by : ❝ AǫᴜᴀWɪᴢ ❞


Related Questions

The two-way frequency table below shows the preferred communication method of employees at a company

Answers

The percentage of employees with 8 or more years at the company reported that email is their preferred method of communication  is 20.48%

Complete question

The two-way frequency table below shows the preferred communication method of employees at a company, based on years of employment with the company.

See attachment

What percentage of employees with 8 or more years at the company reported that email is their preferred method of communication?

A. 44.79% B. 20.48% C. 48.84% D. 67.19%

How to determine the percentage of employee that prefers email?

From the attached image, we have:

Email 8 or more  =  43

The total number of employees in the company is

Total = 210

So, the percentage that prefers email is

Percentage = 43/210 * 100%

Evaluate

Percentage = 20.48%

Hence, the percentage of employees is 20.48%

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14x - 12 = 16


PLS HELP HURRY

Answers

Answer:

[tex]\fbox {x = 2}[/tex]

Step-by-step explanation:

Given :

14x - 12 = 16

Add 12 to each side :

14x - 12 + 12 = 16 + 12

14x = 28

Divide each side by 14 :

14x/14 = 28/14

x = 2

x = 2

Why? Well, 14 x 2 = 28. 28 - 12 gives us 16, and would therefore prove the equation to be true. You could also solve this by adding 16 and 12 to get a total of 28. Then, you could have the expression 14x = 28. From there, you could divide 28 by 14 to get that, as mentioned earlier, x = 2.

work out the surface area of a cylinder when the height = 18cm and the volume = 1715cm cubed

Answers

We need radius

πr²h=1715πr²(18)=1715r²=30.3r=5.5cm

Now

LSA

2πrh2π(5.5)(18)11(18)(3.14)198(3.14)622.72cm²

Answer:

813.4 cm² (nearest tenth)

Step-by-step explanation:

Volume of a cylinder

[tex]\sf V=\pi r^2 h \quad\textsf{(where r is the radius and h is the height)}[/tex]

Given:

h = 18cmV = 1715 cm³

Use the Volume of a Cylinder formula and the given values to find the radius of the cylinder:

[tex]\implies \sf 1715=\pi r^2 (18)[/tex]

[tex]\implies \sf r^2=\dfrac{1715}{18 \pi}[/tex]

[tex]\implies \sf r=\sqrt{\dfrac{1715}{18 \pi}[/tex]

Surface Area of a Cylinder

[tex]\sf SA=2 \pi r^2 + 2 \pi r h \quad\textsf{(where r is the radius and h is the height)}[/tex]

Substitute the given value of h and the found value of r into the formula and solve for SA:

[tex]\implies \sf SA=2 \pi \left(\sqrt{\dfrac{1715}{18 \pi}\right)^2 + 2 \pi \left(\sqrt{\dfrac{1715}{18 \pi}\right)(18)[/tex]

[tex]\implies \sf SA=2 \pi \left(\dfrac{1715}{18 \pi} \right) + 36 \pi \left(\sqrt{\dfrac{1715}{18 \pi}\right)[/tex]

[tex]\implies \sf SA=\dfrac{1715}{9} + 36 \pi \left(\sqrt{\dfrac{1715}{18 \pi}\right)[/tex]

[tex]\implies \sf SA=813.3908956...[/tex]

Therefore, the surface area of the cylinder is 813.4 cm² (nearest tenth)

Does this graph represent a function? Why or why not?
10.
8
6
4
2
-10 8 6 4 2
88
-8
10
2468 10
A. No, because it fails the vertical line test.
O B. No, because it is not a straight line.
OC. Yes, because it passes the horizontal line test.
OD. Yes, because it passes the vertical line test.

Answers

Answer:

D

Step-by-step explanation:

The graph in the picture given is obviously a function of f(x) = x^3 which answers whether the graph is a function or not. In addition, the answer the part on why it's a graph, it's because it passes the vertical line test.

What is the difference between the answers when numbers are switched in a subtraction?

Answers

The other one is usually negative or smaller than the first or viceversa

Solve: −0.06+7.6p<−127.74
A. p<−42.6
B. p<−34.57
C. p>−16.8
D. p<−16.8

Answers

D i got it right on edmentum

Answer:

D

Step-by-step explanation:

- 0.06 + 7.6p < - 127.74 ( add 0.06 to both sides )

7.6p < - 127.68 ( divide both sides by 7.6 )

p < - 16.8

Someone pls help I don’t really understand graphing

Answers

It’s very simple in every line you need slope and y-intercept so you use,

y=Mx+c (M is slope and c is y-intercept)

First find slope and use any two points on the line I prefer picking (-3,0) and (0,2)
= y2-y1/x2-x1 = 2-0/0-(-3) = 2/3

Y=2/3x+c (now last step we find c by replacing any of the giving points)

2=2/3(0)+c
C= 2

Final answer :

Y=2/3x+2

PLEASE HELP (not good at math)

Answers

Answer:

-7,-6,-5 are the values when x=0,1,2

Step-by-step explanation:

please mark me as brainlest

Answer:

Step-by-step explanation:

y =x - 7

Substitute x = 0 and find the y-value

       y = 0 - 7

      y = -7

(0,-7)

Substitute x = 1,

    y = 1 - 7

    y = - 6

(1,-6)

Substitute x = 2,

        y = 2 - 7

       y = -5

(2,-5)

can someone please help me?

Answers

A slope of a line.

We have the equation of a line:

[tex]y=-\dfrac{5}{4}x-1[/tex]

The formula of a slope of a line passes through points A, B:

[tex]A(x_A,\ y_A),\ B(x_B,\ y_B)\\\\m=\dfrac{y_B-y_A}{x_B-x_A}[/tex]

Complete the table:

Put the values of x to the equation of a line and calculate the value of y:

[tex]x=0\\\\y=-\dfrac{5}{4}\cdot0-1\\\\y=-1\\\\\\x=4\\\\y=-\dfrac{5}{4}\cdot4-1\\\\y=-6[/tex]

Substitute to the formula of a slope:

[tex]m=\dfrac{-6-(-1)}{4-0}\\\\m=\dfrac{-6+1}{4}\\\\\huge\boxed{m=-\dfrac{5}{4}}[/tex]

Assume that the notation (a,r,s,t) means multiply q and r, then add the product to s and (2,6,4,8)+(4,7,2,6)? Please show work and choose one of the choices like e f g or h

Answers

Answer:  7.0   (choice E)

=============================================

Work Shown:

[tex]\perp (q,r,s,t) = \frac{qr + s}{t}\\\\\perp (2,6,4,8) = \frac{2*6 + 4}{8}\\\\\perp (2,6,4,8) = \frac{12 + 4}{8}\\\\\perp (2,6,4,8) = \frac{16}{8}\\\\\perp (2,6,4,8) = 2\\\\[/tex]

Let m = 2 so we can use this result later.

[tex]\perp (q,r,s,t) = \frac{qr + s}{t}\\\\\perp (4,7,2,6) = \frac{4*7 + 2}{6}\\\\\perp (4,7,2,6) = \frac{28 + 2}{6}\\\\\perp (4,7,2,6) = \frac{30}{6}\\\\\perp (4,7,2,6) = 5\\\\[/tex]

Let n = 5 so we can use this result later.

Add the two results.

m+n = 2 + 5 = 7.0 is the final answer.

The function y = f(x) is graphed below. What is the average rate of change of the
function f(x) on the interval -8 ≤ x ≤ 8?

Answers

The average rate of change of the function is -35/16.

How to find the average rate of change of the function?

We have to determine the average rate of change of the function f(x) on the interval -8 ≤ x ≤ 8.

so

at x₁ = -8, f(x₁) = f(-8) = 30

at x₂ = 8, f(x₂) = f(8) = -5

Average rate = [f(x₂) - f(x₁)] / [ x₂ - x₁]  

                     = [f(8) - f(-8) ] / [8-(-8)]

                     = [-5 - (30)] / [16]

                     = [-35] / 16

Therefore, the average rate of change of the function is -35/16.

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Please help worth my math

Answers

a)QM and PM

b)QMN and NMQ

c)M

Write down in terms of n, an expression for the nth term of the following sequences:
a) 12 10 8 6 4
b) 25 20 15 10 5​

Answers

Answer:

The formula for an arithmetic sequence is:

an = a1 + (n - 1)d

In which a1 is the first term and d is the common difference.

a) 12, 10, 8, 6, 4

an = 12 + (n - 1)-2

an = 12 -2n + 2

an = -2n + 14

b) 25, 20, 15, 10, 5

an = 25 + (n - 1)-5

an = 25 -5n + 5

an = -5n + 30

A delivery of 5 large boxes and 3 small boxes has a total mass of 137 kilograms. A delivery of 2 large boxes and 6 small boxes has a total mass of 128 kilograms. What is the mass of each type of box?

Answers

Answer:

Large boxes are 18.25 kg

Small boxes are 15.25 kg

Step-by-step explanation:

This is a system of equations. You need to set up each equation first.

I am assigning x to be big boxes and y to be small boxes.

5x + 3y = 137

2x + 6y = 128

To solve, you will need to eliminate a variable. That means you will have to multiply one of the equations by a number to make it so a variable will be eliminated. I will be multiplying the top equation by -2.

-2 ( 5x + 3y = 137)

    2x + 6y = 128

Distribute the -2 to everything in the parentheses in the first equation.

-10x - 6y = -274

2x + 6y = 128

Notice the 6y will go away because -6y + 6y = 0. Now add the equations together. The remaining equation is:

-8x = -146

Solve for x by dividing by -8.

x = 18.25

Now plug that into one of the original equations.

2(18.25) + 6y = 128.

36.5 + 6y = 128                Subtract 36.5 from each side

-36.5            -36.5

6y = 91.5                          Divide by 6 to solve

y = 15.25

Determine the equation of a cubic polynomial function with roots at (3,0), (2,0) and (-4,0) that also passes through the point (1,30).

Answers

Step-by-step explanation:

Step 1: Setting Up the Factors

Our roots are 3, 2, and -4 so

our factors are

[tex](x - 3)(x - 2)(x + 4)[/tex]

Step 2: Initial Test to see if the result equal 30

Let a be a constant, such we have

[tex]a(x - 3)(x - 2)(x + 4) = 30[/tex]

Plug in. 1 for x.

[tex]a(1 - 3)(1 - 2)(1 + 4) = 30[/tex]

[tex]a( - 2)( - 1)(5) = 30[/tex]

[tex]a(10) = 30[/tex]

[tex]a = 3[/tex]

So our equation is

[tex]3(x - 3)(x - 2)(x + 4)[/tex]

Or if you want it simplifed

[tex]3( {x}^{2} - 5x + 6)(x + 4) = 3( {x}^{3} + - {x}^{2} - 14x + 24) = 3 {x}^{3} - 3 {x}^{2} - 42x + 72[/tex]

Answer:

[tex]f(x)=3(x-3)(x-2)(x+4)[/tex]

Step-by-step explanation:

General form of a cubic polynomial function with 3 roots:

[tex]f(x)=a(x-b)(x-c)(x-d)[/tex]

where:

a is some constant to be foundb, c and d are the roots of the function

Given roots:

(3, 0)(2, 0)(-4, 0)

Substitute the given roots into the general form of the function:

[tex]\implies f(x)=a(x-3)(x-2)(x-(-4))[/tex]

[tex]\implies f(x)=a(x-3)(x-2)(x+4)[/tex]

To find the value of a, substitute the given point (1, 30) into the equation:

[tex]\begin{aligned} f(1) & = 30\\\implies a(1-3)(1-2)(1+4) & =30\\a(-2)(-1)(5) & = 30 \\10a & = 30\\\implies a & = 3 \end{aligned}[/tex]

Therefore, the equation of the cubic polynomial function is:

[tex]f(x)=3(x-3)(x-2)(x+4)[/tex]

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Which of the following is a like radical to 3/7x?
4 (3√√7x)
O
O √Tx
0 x(³√7)
0 7√√√x

Answers

Answer:

Like radicals are those terms that are similar, just like like terms. From this concept we find that option A is correct. 4[∛(7x)] and ∛(7x) are like radicals.

Step-by-step explanation:

Mathematically, like radicals are just like like terms. For example,

x, 2x, -10x, , 7.3x are like terms because the power of x in each case is 1.

xy², -9xy², 13y²x are like terms because the total power of each expression is 3.

Similarly, like radicals are:

√2, -5√2, 1.1√2, etc.

Hence, from the given options, like radical to ∛(7x) is: 4[(7x)].

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What is the inverse of this function?
f(x) = -√x +3₁ x ≥ −3
f-¹(x) =
2-
-
for x ≤

Answers

Answer:

f(x)^-1=x^2-3

Step-by-step explanation:

So I'm assuming you meant to include the 3 in the radical as well which would make sense given the domain restriction. To find the inverse you simply swap the x and y since the inverse function is when the domain and range are swapped.

[tex]y=-\sqrt{x+3}\\x=-\sqrt{y+3}\\-x=\sqrt{y+3}\\(-x)^2=y+3\\x^2-3=y\\f(x)^{-1}=x^2-3[/tex]

Write an equation in slope intercept form with the given information.
Slope = 4 and goes through point (3,0)

Answers

Answer:

y = 4x - 12

Step-by-step explanation:

can someone please do this for me ​

Answers

The range is from the maximum point into infinity that is [4, infty) and the vertex is at (0, 4)

Vertex, domain and range of a function

The given graph is a parabola. It represents the graph of a quadratic equation.

From the shown graph, the parabola has a maximum point at (0, 4). This is also the vertex of the graph

The domain area values along the x-axis while the range lies on the y-axis. From the graph shown, the domain is [-2, 2] (x lies between -2 and 2)

The range is from the maximum point into infinity that is [4, infty)

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Solve for x. Round to the nearest tenth, if necessary

Answers

The value of x in the triangle to the nearest tenth is calculated as; 1.1

How to use trigonometric ratios?

We have different trigonometric ratios such as;

sin θ = opp/hyp

cos θ = adj/hyp

tan θ = opp/adja

Thus, from the given triangle we can use the formula for cos θ to get the value of x. Thus;

cos 41° = 0.8/x

x = 0.8/cos 41

x = 1.06

To the nearest tenth, we have x = 1.1

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Suppose y varies inversely as x, and y = 16 when x = 1/2. Find y when x = 17.

Answers

Finding the proportionality constant :

y = k/x16 = k/(1/2)k = 8

Finding y when x = 17 :

y = 8/(17)y = 8/17

The value of y is 8/17 when x = 17.

What is 2 1/2 x 1 3/4 x 3/4

Answers

Answer:

45/32 or 1.40

Step-by-step explanation:

Answer:

3 9/32 or 105/32

Step-by-step explanation:

2 1/2 = 5/2, 1 3/4 = 7/4

5/2 * 7/4 = 35/8

35/8 * 3/4 = 105/32

105/32 = 3 9/32

Brainliest, please :)

How would i work this out?

Answers

You want to find the number of visits IN BETWEEN 12:30 PM and 6:45 PM

there some visits already recorded before 12:30. These visits are visits that you want to exclude but are included in the TOTAL visits

Before 12:30 the website has 1200 visits and at 6:45 the website has 14000.

You can do 14000-1200 to find the number of visits in the time frame between 12:30 and 6:45

ANSWER 12800 visits

use your calc to work this out

Answers

I think question a is 9.4419
A is 9.4419
B is 9.3361

Need help to understand how to do this.

Answers

Answer: -1(x+2)^2+10

Step-by-step explanation:


1. The coefficient of -x^2 is just the number in front, which in this case would be a = -1 So now the function is -1(x^2+4x)+6 since negative one has been factored out of the first two terms.

2. Half of the coefficient of x would be 2 since x has a coefficient of 4, and half pf 4 is 2. Squared, it is 4. That will be added inside the bracket. Subtracted on the outside is the same equation but multiplied by a, which we found out was -1 in the beginning. So, the function becomes -1(x^2+4x+4)+6-(-4).

3. Factor the inside equation to find that it’ll become (x+2)^2, and simplify the outside to get 10. The function will now be;


f(x)=-1(x+2)^2+10


Hope that made sense and make sure to check just in case I did the math wrong :]

Find the value of x

Answers

Answer:

3

Step-by-step explanation:

11(3)+2 = 6

also,

33-29 =

and

29 - 23 = 6

I take a guss, but I think its 3

K'L'M'N' is a dilation image of KLMN. Which is the correct description of the dilation?

Answers

Answer:

d

Step-by-step explanation:

What else would need to be congruent to show that ABC = XYZ by ASA

Answers

Answer:

Option d

Step-by-step explanation:

BC = YZ

AC cannot be equal to XZ else it will be SAA congruency

Solve the following simultaneous equations. x + y = 3
x -y = 1

Answers

Answer:

x = 2, y = 1 or (2, 1)

Step-by-step explanation:

Solving by elimination method :

x + y + (x - y) = 3 + 12x = 4x = 2

2 - y = 1y = 1

The solution is : x = 2, y = 1 or (2, 1)

Answer: x = 2, y = 1

Step-by-Step Solution:

=> x + y = 3 (Eq. 1)
=> x - y = 1 (Eq. 2)

Adding Eq. 1 and Eq. 2, we get :-

2x = 3 + 1
2x = 4
x = 4/2
=> x = 2

Therefore, x = 2

Substitute value of ‘x’ in Eq. 1 :-

x + y = 3
(2) + y = 3
2 + y = 3
y = 3 - 2
=> y = 1

Therefore, y = 1

Hence, x = 2 and y = 1.

Which of the following inequalities matches the graph?

graph of an inequality with a solid line through the points 0, negative 2 and 2, 1 with shading above the line

3x − 2y ≥ 4
3x − 4y ≤ 2
3x − 2y ≤ 4
The correct inequality is not listed.

Answers

Answer:

The correct option is 3.

Step-by-step explanation:

It is given a graph of an inequality with a solid line through the points (0, −2) and (2, 1) with shading above the line.

The equation of a solid line is:

[tex]y-y_{1} = \frac{y_{2}- y_{1} }{x_{2}- x_{1} } (x-x_{1})\\ y+2= \frac{1+2}{2-0}(x-0)\\ y+2= \frac{3}{2} x[/tex]

The y-intercept of the line is -2 and the shaded region is shading above the line. So, (0,0) must be lies in the shaded region.

Check the related equation by point (0,0).

0+2 =[tex]\frac{3}{2}(0)[/tex]

2 = 0

The statement is true if and only if the sign is greater than or equal instead of equal.

The required inequality is

[tex]y+2 \geq \frac{3}{2}x[/tex]

Multiply both sides by 2.

[tex]2y + 4 \geq 3x\\4\geq 3x-2y\\3x-2y \leq 4[/tex]

Therefore option 3 is correct.

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