Is this correct?
f(x)=2x+3

Picture is included

The number of solutions in the equation 9x - 7 = 3(3x + 2) is 0

The equation is given as

9x - 7 = 3(3x + 2)

Open the bracket in the above equation

So, we have

9x - 7 = 9x + 14

Subtract 9x from both sides of the equation

So, we have

-7 = 14

The above equation is false

Hence, the number of solutions in the equation is 0

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The average rate of change from x=1 to x=3 is -1

On the given graph, we have the following function values

f(1) = 6

f(3) = 4

The average rate of change from x=1 to x=3 is then calculated as

Rate = [f(3) - f(1)]/[3 - 1]

This gives

Rate = [4 - 6]/[3 - 1]

Evaluate

Rate = -1

Hence, the average rate of change from x=1 to x=3 is -1

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Total cost of the candy is represented by the function f (x) is;

⇒ f (x) = $2.80x + $3.50y

Where, x is the weight of the less expensive candy (caramel candy)

and, y is the weight of chocolate candies.

What is Multiplication?

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

Given that;

Mark bought 10 lb of two types of candies to make Christmas present for his classmates.

Let x is the weight of the less expensive candy (caramel candy).

And, y is the weight of chocolate candies.

Now, The cost of caramel candies = $2.80x

And, The cost of chocolate candies = $3.50y

Hence, Total cost of the candy = $2.80x + $3.50y

Therefore, Total cost of the candy is represented by the function f (x) is;

⇒ f (x) = $2.80x + $3.50y

Where, x is the weight of the less expensive candy (caramel candy)

and, y is the weight of chocolate candies.

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Answer:

40 boxes would weigh 120 pounds. nice

15/45 = 40 x 3 = 120 pounds

Step-by-step explanation:

:)

Answer:

  120 cubes will fill the box

Step-by-step explanation:

You want to know the number of 1-inch cubes it takes to fill a box that is 5 cubes long, 4 cubes wide, and 6 inches tall.

To cover the bottom of the box, Chan needs to make an array of cubes that has 4 rows with 5 cubes in each row. That layer will have ...

  4 × 5 = 20 . . . . cubes per layer

Each layer occupies 1 inch of height, and the box is 6 inches high. The volume of the box will be filled with six of these layers. That will take this many cubes:

  (6 layers) × (20 cubes/layer) = 6 × 20 cubes = 120 cubes

Chan will need 120 cubes to fill the box.

Answer: AB is twice the size of AC and twice the size of CB

Step-by-step explanation: "Lies between" means that it's in the middle. C is in the middle of A and B. A to C would be the same distance of C to B because C seperates the segments into 2 equal halves. AB is the whole segment including C, you could do AC + AC if you substituted it for the lengths and you would still get AB

Answer:

4a.) 0.0005 = 5 x 10 to the exponent -4

4b.) 0.0025 = 2.5 x 10 to the exponent -3

5a.) 2 x 10 to the exponent -2 = 0.02

5b.) 16 x 10 to the exponent -4 = 0.0016

Tip:

The number being multiplied has to be less than or equal to 10. Count the places the decimal point moves from the end of the number to the number in the original equation.

Example: 0.05 = 5 x 10 to the exponent -2

0.05 has 2 spaces for the decimal point to move up to 5 going right. We use a negative decimal because 0.05 is less than 5. Here is an example where the exponent is positive:

5000 = 5 x 10 to the exponent 3

5000 has 3 spaces for the decimal point to move down to 5 going left.  

Answer: the answer would be 0.8 x 21 acres of land

Step-by-step explanation:hope it helps, brainliest? i could really use it

Answer: It's the third answer choice.

Step-by-step explanation:

It is the only one that LOOKS like it's reflected over the y-axis (i check the math as well)

Answer:

The answer is A

Miguel uses 300 mL Solution B and 600 mL Solution A.

Let x represent the amount of Solution B used.

2x = the quantity of Solution A used.

Solution A is alcohol = 12%.

Solution B is alcohol = 16%.

Given that 12% = 0.12 and 16% = 0.16, we can calculate the following equation:

2x(0.12) + x(0.16) = 120 (Recall that pure alcohol has a concentration of 100% = 1.00.)

0.24x + 0.16x = 120

0.40x = 120

x = 300 mL

Thus, Miguel  makes use of 300 mL of Solution B and 2(300) = 600 mL of Solution A.

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Answer:

n = 16

Step-by-step explanation:

The equation is,

→ √n = 4

Solving for the value of n,

→ √n = 4

→ n = 4²

→ [ n = 16 ]

Hence, the value of n is 16.

Answer:

997

Step-by-step explanation:

75×12=900

900+45+35+17=997

Answer: She can wear 3 outfits to school because

Step-by-step explanation: She is able to wear the pants multiple times so she can have 1 pants 1 shirt 1 tie and 1 jacket for three days

Answer:

41.6

Step-by-step explanation:

You have a duplicate question. Explanation is there. Hope it helps!

All work is shown in the screenshot that is provided! :)

4. The two triangles are similar by virtue of the AAA triangle congruence theorem as a result of the corresponding angles which have equal measures.

5. The length of segment CE to the nearest tenth is; 46.7 in.

4. The ∆CBD and ∆CAE are similar (congruent) following the fact that angle C is common to both triangles and the angles A and E have equal measures as E and D respectively by virtue of corresponding angles theorem. Ultimately, the two triangles; ∆CBD and ∆CAE are congruent since all three angle measures are the same in the triangles.

The corresponding angles in discuss is due to the fact that the lines ED and AE are parallel lines.

5. Also, upon establishing the congruence of the two triangles, it follows that the ratio of their corresponding sides is same for all three sides.

Therefore, we can establish that;

BD/AE = CD/CE

6/14 = 20/CE

CE = (14 × 20)/6

CE = 140/3

CE = 46.667 in.

Ultimately, the length of segment CE to the nearest tenth is; 46.7 in.

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Answer:

66812

Step-by-step explanation:

60831+5981=66812

Answer:

Tracy paid 40.28 percent of the total price.

Answer: 24

Step-by-step explanation:

60/5= 12

12(kids) times 2(parents)= 24 parents for 60 kids

Answer:

Step-by-step explanation:

The sum of three consecutive integers is 171. What are the integers?

(171 - 3) : 3 =

168 : 3 = 56

56 + 1 = 57

57 + 1 = 58

-------------------

56 + 57 + 58 = 171

the answer is good

The box plots that correctly summarize the data is the option B from the image

This is further explained below.

Generally, a straightforward method of depicting statistical information on a plot, in which a rectangle is used to represent the second and third quartiles of the data, and in which the median value is typically shown by a vertical line drawn within the rectangle.

On each side of the rectangle, there are two horizontal lines that represent the lower quartile and the higher quartile.

A boxplot is a graphical representation of the distribution of data that is based on a summary of five numbers and follows a defined format.

In conclusion, The box plot in the illustration with choice B accurately summarizes the data.

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CQ

Image attached

A group of 15 students were assigned a novel to read during class. The data below represents the number of pages each student read.

8, 8, 10, 11, 12, 12, 13, 14, 16, 16, 18, 18, 18, 20, 24

Which of the following box plots correctly summarizes the data?

A

B.

C.

D

Answer: 18 minutes

Step-by-step explanation:

900 divided by 250 = 3.6

3.6 times 5 = 18 minutes.

Answer:

18 minutes

Step-by-step explanation:

rate =   250 w / 5 min

900 w / rate =   time   = 900 w / (250 w/ 5min) = 18 minutes

Answer:

f(0) = 5, f(7) = 1328, f(-5) = -460

Step-by-step explanation:

[tex]f(x) = 4x^3 - 7x + 5[/tex]

We should substitute the values in the brackets into the equation to find the function's value at that x point.

[tex]f(0) = 4(0)^3 - 7(0) + 5\\\to f(0) = 5[/tex]

[tex]f(7) = 4(7)^3 - 7 \times 7 + 5\\\to f(7) = 4 \times 343 - 49 + 5\\\to f(7) = 1328[/tex]

[tex]f(-5) = 4(-5)^3 - 7(-5) + 5\\\to f(-5) = 4 \times -125 + 35 + 5\\\to f(-5) = -460[/tex]

Answer:

Step-by-step explanation: