Which functions could represent a reflection over the y axis of the given function

Answer:

36

Step-by-step explanation:

–12i × 3i

Multiply the numbers

-12*3 = -36

Multiply the imaginary number

i*i= i^2

We know i^2 = -1

-36 * -1 = 36

Answer:

Step-by-step explanation:

[tex]i=\sqrt{-1}\to i^2=(\sqrt{-1})^2=-1\\\\-12i\times3i=(-12)(3)i^2=(-36)(-1)=36[/tex]

Answer:

22.34 km²

Step-by-step explanation:

Here we have a circle whose diameter is 5  1/3 km.  As an improper fraction, that's 16/3 km.  Half that, or 8/3 km, is the radius.

The area of a circle is A = πr², where r is the radius.

In this case, the area is A = π(8/3 km)², or (64/9)π km², or 22.34 km² (same as first answer choice).

Answer:

edg 2021 answer is A

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

Answer:

Step-by-step explanation:

There is a standard cost just for renting the car.

Let the daily cost = x

Let the addon be = z The add on is the amount they charge just to give you the keys and do the paper work. It might include insurance.

y = z + 4x

y = 180

z = ??

x = 4

y = 325

z = ??

x = 9

Equation 1: 180 = z + 4x

Equation 2:325 = z + 9x

Subtract (1) from (2)

325 = z + 9x

180 = z + 4x                         Subract

145 = 5x                               Divide by 5

145/5 = 5x/5

x = 29

What you have found is the daily cost. Now you have to find the fixed cost.

y = 29x + z

180 = 29*4 + z

180 = 116 + z                  Subtract 116 from both sides

180 - 116 = z

z = 64

Answer: Part A

y = 29x + 64

Part B

f(x) = 29x + 64

Part C

So what are the intervals?

Vertically each square is worth:

Horizontally: each square is worth.

How is the y axis labeled?

How is the x axis labeled? [e

Graph the points by letting

x = 2 days

x = 4 days

x = 6 days

I'm including the graph. You should be able to answer it just by looking at the graph. No single answer will be wrong. There are all sorts of ways of setting up the axis.

Answer:

The answer is the bottom left

Answer:

[tex]\large\boxed{(2x-1)(x+4)=2x^2+7x-4}[/tex]

Step-by-step explanation:

[tex](2x-1)(x+4)\qquad\text{use FOIL:}\ (a+b)(c+d)=ac+ad+bc+bd\\\\=(2x)(x)+(2x)(4)+(-1)(x)+(-1)(4)\\\\=2x^2+8x-x-4\qquad\text{combine like terms}\\\\=2x^2+(8x-x)-4\\\\=2x^2+7x-4[/tex]

Answer:

40

Step-by-step explanation:

highest=2(lowest)+7

Replace the variables here:

87=2(lowest)+7

minus 7 on both sides

80=2(lowest)

divide both sides by 2

40=lowest

Answer:

(b) 240

Step-by-step explanation:

First, we use the Pythagorean formula using the given side lengths to find x. Then we use x to find the side lengths. Then we add the side lengths to find the perimeter.

Pythagorean theorem formula:

a^2 + b^2 = c^2

(x - 20)^2 + (x - 40)^2 = x^2

x^2 - 40x + 400 + x^2 - 80x + 1600 = x^2

x^2 -120x + 2000 = 0

(x - 100)(x - 20) = 0

x - 100 = 0 or x - 20 = 0

x = 100 or x = 20

We see that the solution x = 20 must be discarded because it will give a negative side length and a side length of 0. The only valid solution is x = 100.

perimeter = sum of the lengths of the sides

perimeter = x + x - 20 + x - 40

perimeter = 3x - 60

Replace x with 100.

perimeter = 3(100) - 60

perimeter = 300 - 60

perimeter = 240

Answer:

C. 11

Step-by-step explanation:

Evaluate 2(x + 1) - 3 when x = 6.

2(x + 1) - 3 <== substitute 6 for x

2(6 + 1) - 3 <== distribute 2

2(6) + 2(1) - 3

12 + 2 - 3 <== add and subtract

14 - 3

11 <== answer

Hope this helps!

Hey there!

2(x + 1) - 3

= 2(6 + 1) - 3

= 2(7) - 3

= 14 - 3

= 11

OR

2(x + 1) - 3

= 2(6 + 1) - 3

= 2(6) + 2(1) - 3

= 12 + 2 - 3

= 14 - 3

= 11

Therefore, your answer is: 11

Good luck on your assignment & enjoy your day!

~Amphitrite1040:)

Answer:

(f+g)(x) = 3x^2 + x + 1

Answer:

Yea its table 1

Step-by-step explanation:

Answer:

The answer is the first table, or Table 1.

Step-by-step explanation:

Happy to help! c:

To find the perimeter of a rectangle you can multiply the length by 2 and the width by 2, or you can add the four sides together.

The wrong equation is w + 3w = 90 because it only has one width and one length, which would be half the total perimeter.

Final answer:

The equation that does not correctly represent the width w of Sanjay's rectangular garden given the total fence length and length-width relationship is w + 3w = 90, as it simplifies to 4w = 90, which is not the correct equation for this context.

Explanation:

The question asks to identify which equation does not correctly represent the width w of Sanjay's rectangular garden, given that the total length of the fence is 90 meters and that the length l of the garden is three times its width w. We know the perimeter P of a rectangle is given by P = 2l + 2w, where l is the length and w is the width.

We can substitute l = 3w into the perimeter formula to get P = 2(3w) + 2w, which simplifies to P = 6w + 2w or P = 8w. Given that P = 90, the correct equation is 8w = 90. Now, let's examine the provided equations:

w + 3w = 90 simplifies to 4w = 90.

w + 3w + w + 3w = 90 simplifies to 8w = 90, which is the correct equation.

2 · w + 2 · 3w = 90 simplifies to 2w + 6w = 90 which simplifies to 8w = 90, which is also correct.

2 · (3w + w) = 90 simplifies to 2 · 4w = 90 which simplifies to 8w = 90, which is again correct.

Thus, the equation that does not give the correct value for w is w + 3w = 90.

Answer:

∛16

Step-by-step explanation:

First, remember that the denominator always goes outside the radical and the numerator inside. so with that, it looks like this.

∛2^4

simplify.

∛16

Answer:

- 77

Step-by-step explanation:

To evaluate, substitute x = 4 into g(x) then substitute the value obtained into f(x).

g(4) = 4² + 3 = 16 + 3 = 19

f(19) = (- 4 × 19) - 1 = - 76 - 1 = - 77

The base of the exponential expression 4^5 is 4.

The base of an exponential expression refers to the number being raised to a power.

In the exponential expression 4 to the power of 5, the base is 4 because it is the number being multiplied by itself 5 times.

Therefore, the base of the exponential expression 45 is 4.

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Answer:

7 7/12

Step-by-step explanation:

Find the amount of rolls in all that were donated:

60 x 12 = 720.

The total amount used is 679. Subtract 679 from 720:

720 - 629 = 91.

Find the amount per dozen. Divide 91 with 12:

91/12 = 7 7/12

7 7/12 is your answer.

~

The local Youth Baseball League used 56 dozen rolls with 7 extra rolls for a total of 679 hot dogs, which is expressed as 56 7/12 dozen.

The local Youth Baseball League served a total of 679 hot dogs using rolls from the grocery store.

If a dozen represents 12 items, we need to calculate how many dozens of rolls were used in this circumstance.

Since 679 hot dogs were served and each dozen contains 12 rolls, we can divide 679 by 12 to find the number of dozens.

Dividing 679 by 12, we get:

679 ÷ 12 = 56 dozens with a remainder of 7.

Therefore, 56 dozen rolls were fully used, with an additional 7 rolls from another dozen.

To express this in mixed number form, it would be 56 7⁄12 dozen rolls.

Answer:

x = -60

Step-by-step explanation:

1.4(2x+3) = 0.9(3x-2)

(1.4)(2x) + (1.4)(3) = 0.9(3x) - 0.9(2)

2.8x + 4.2 = 2.7x - 1.8

2.8x - 2.7x = -1.8 -4.2

0.1x = -6

x = -60

Answer:

x = - 60

Step-by-step explanation:

1.4(2x+3) = 0.9(3x-2)                 Remove the brackets

2.8x + 4.2 = 2.7x - 1.8               Subtract 4.2 from both sides

2.8x +4.2-4.2 = 2.7x - 1.8- 4.2

2.8x = 2.7x - 6                           Subtract 2.7x from both sides

2.8x-2.7x = - 6

0.1x = - 6                                    Divide by 0.1

0.1x/0.1 = - 6/0.1

x = - 60  

Answer: third option.

Step-by-step explanation:

You know that the height of the smaller cylinder is 1 cm and the height of the  larger cylinder is 3 cm, then you can find the volume ratio. This  is:

[tex]Volume\ ratio=(\frac{1\ cm}{3\ cm})^3\\\\Volume\ ratio=\frac{1}{27}[/tex]

Knowing that the volume of the larger cylinder is 2,106 cubic centimeters, you need to multiply it by the volume ratio to find the volume of the smaller cylinder.

Therefore:

[tex]V_{smaller}=\frac{1}{27}(2,106\ cm^3)\\\\V_{smaller}=78\ cm^3[/tex]

ANSWER

The correct answer is C

EXPLANATION

We have that, the smaller cylinder has height 1 cm and the larger cylinder has height 3cm.

The scale factor of similarity is

[tex]k = \frac{1}{3} [/tex]

That's if the smaller cylinder is the image.

The volume of the larger cylinder is 2106 cm³.

To find the volume of the smaller cylinder, we multiply the volume of the larger cylinder by k³

[tex]( { \frac{1}{3} })^{3} \times 2106 {cm}^{3} [/tex]

[tex]{ \frac{1}{27} } \times 2106 = 78 {cm}^{3} [/tex]

Answer: $22.50

Step-by-step explanation: let x represent the amount Laura and Lilly contributed each. If Laura and Lilly contributed the same amount, x+x=2x=45. If 2x=45, divide both sides by 2 to find the value of x. 45/2= 22.5.

Laura contributed $15 toward the purchase of the video game.

The question is asking to determine the amount contributed by Laura to buy a video game for their brother, Liam, if the entire cost of the game is $45 and Laura contributed half as much as Lilly. For simplicity, let's assume Lilly contributed x dollars. Then Laura, contributing half as much, would have contributed x/2 dollars. Given that their total contribution is $45, we set up the equation x + x/2 = 45. Solving for x, we find that Lilly contributed $30 and Laura, half of this, contributed $15.

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Hello There!

Your answer is the last option r*n^2

I plugged in the values for each of these dilations.

The scan tool shown in the photograph is a factory scan tool, which is designed for use with a specific brand or model of vehicle. It provides advanced diagnostics and requires a separate adapter to connect to a device. Generic scan tools are more affordable but have limited functionality.

The scan tool shown in the photograph is a factory scan tool. Factory scan tools are specifically designed for use with a particular brand or model of vehicle.

They provide access to advanced diagnostics, including reading and clearing fault codes, monitoring live data, and performing special functions.

Factory scan tools are usually more expensive than generic scan tools, but they offer more comprehensive and accurate information for troubleshooting specific vehicle systems.

They often require a separate adapter or cable to connect to a laptop or other device.

In contrast, generic scan tools are more affordable and can work with multiple vehicle brands.

They typically have limited functionality and may not be able to access all the features and functions of a factory scan tool.

The type of scan tool that is shown in the above photograph is  Bluetooth interface. Option C

Bluetooth interfaces are commonly used as scan tools for connecting to onboard diagnostics (OBD) systems in vehicles wirelessly.

They can be paired with compatible software on devices like smartphones or tablets, allowing users to retrieve diagnostic information from the vehicle's computer system.

This technology provides convenience and flexibility for automotive diagnostics.

Answer:

( 212 - 0 )/ ( 100 - 32 ) = 212 / 68 = 3.11 ;

Step-by-step explanation:

Let m = slope

m = (delta y)/(delta x)

m = (212 - 32)/(0 - 100)

m = 180/(-100)

m = -180/100

You can reduce -180/100 to the lowest term. I'll let you do that.

Answer: You can simply find out the percentage of the calories from the sugar with this formula :

165/250 x 100%  

You will find out that the percentage would be 66 %

hope this helps!

Step-by-step explanation:

2b < 10

b < 5

How to draw it:

1. Draw a hollow point on number "5"

2. Draw a small vertical line on the top of the point.

3. Draw a long honrizontal line from that vertical line to the left to the end, and add an arrow.

First divide 2 to both sides to isolate b. Since 2 is being multiplied by b, division (the opposite of multiplication) will cancel 2 out (in this case it will make 2 one) from the left side and bring it over to the right side.

2b ÷ 2 < 10 ÷ 2

1b < 5

b < 5

For the graph will you have a empty or colored in circle?

If the symbol is ≥ or ≤ then the circle will be colored in. This represents that the number the circle is on is included.

If the symbol is > or < then the circle will be empty. This represents that the number the circle is on is NOT included.

Which direction will the ray go?

If the variable is LESS then the number then the arrow will go to the left of the circle.

If the variable is MORE then the number then the arrow will go to the right of the circle.

In this case your inequality is:

b < 5

aka b is less then five

This means that the graph will have an empty circle and the arrow will go to the left of 5.

The graph is in the image below:

Hope this helped!

~Just a girl in love with Shawn Mendes

Answer:

A.

Step-by-step explanation:

Answer:

C. 5 feet

Step-by-step explanation:

If a wave with a height of 5 feet and a wavelength of 10 feet has a wave base of 5 feet.

B = x/2 = 10ft/2 = 5 feet

The temp of Chicago is 30 degrees.

15 degree MORE than TWICE the temp of Chicago. 75-15=60/2. Hope this helps.

Answer:

2x + 15 = 75

Step-by-step explanation:

2 represents the twice, the x represents the unknown answer (Chicago), the + 15 is when it says florida is 15 degrees warmer

Answer: B. Capital Gain

Step-by-step explanation:

Answer: Could you list the choices?

Answer:

Rebecca has 18 nickels and 27 dimes

Step-by-step explanation:

Let x be the number of nickels Rebecca has, then 45-x is the number of dimes she has.

The total value of Rebecca's coins is $3.60.

1 nickel - 5 cents

x nickels - 5x cents

1 dime - 10 cents

45-x dimes - 10(45-x) cents

Total x nickels and 45-x dimes is 5x+10(45-x) cents that is $3.60=360 cents. So,

5x+10(45-x)=360

5x+450-10x=360

5x-10x=360-450

-5x=-90

5x=90

x=18

45-x=45-18=27