explain why 2+x and x+3 are equivalent

Answers

Answer 1

Check whether the two expressions 2x+3y2x+3y and 2y+3x2y+3x equivalent.

The first expression is the sum of 2x2x 's and 3y3y 's whereas the second one is the sum of 3x3x 's and 2y2y 's.

Let us evaluate the expressions for some values of xx and yy . Take x=0x=0 and y=1y=1 .

2(0)+3(1)=0+3=32(1)+3(0)=2+0=22(0)+3(1)=0+3=32(1)+3(0)=2+0=2

So, there is at least one pair of values of the variables for which the two expressions are not the same.


Related Questions

A rectangle has length of 6 inches and a breath of 4 inches. find the area in2​

Answers

Answer:

area of rectangle=length ×breadth

6×424in²

hope it helps

stay safe healthy and happy.

the radius of a circle is 6cm what is the diameter circumference and area of the formula?​

Answers

Answer:

Diameter: 12

Circumference: 37.68

Area: 113.04

Step-by-step explanation:

The radius of the circle is 6 cm.

To find the diameter of a circle, multiply the radius by 2.

6 × 2 = 12.

12 is the diameter.

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

Formula for the circumference of a circle: πd (diameter).

In other words, to find the circumference of a circle, multiply the diameter by pi.

**3.14 IS A SUBSTITUTE FOR PI**

12 × 3.14 = 37.68

Therefore, 37.68 cm is the area of the circle.

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

Formula for area of a circle: πr² (r = radius).

3.14 × 6 × 6 = 113.04

Therefore, 113.04 cm² is the area of the circle.

Please no files. I can give brainlest....

Answers

C. 4140

Thanks & im sorry ^^

Answer:

3960 degree is the answer

Step-by-step explanation:

180(n-2)

180(24-2)

180*22

3690

here,n =number of sides

20 POINTS HELP FAST
What is the total surface area of the square pyramid below?

A square pyramid. The square base has side lengths of 6 meters. The triangular sides have a height of 8 meters.

132 m2
144 m2
160 m2
228 m2

Answers

Answer:

https://brainly.com/question/16576809

Step-by-step explanation:

Answer:

144 m2

Step-by-step explanation:

please help !! asap !!

Answers

the correct answer is 22.6

What are the factors of -11x + 15 = -2/2 ?
a.y=(22+5)(2+3)
b.y= (2x - 5) (2 – 3)
c. y=(21 – 1) (2 – 15)
d.y= (2x + 1) (3 +15)

Answers

Answer:

c

Step-by-step explanation:

Please help me this is algebra

Answers

Answer:

[tex]first \: answer \: is \: correct \: \\ [/tex]

All Sections
Chocolate Bars (x) 6,
4,
Calories (y) 1,212
808
Every chocolate bar has ????? calories.
10.
2,020
3.
606
8
1,616

Answers

3. 606

please mark brainliest

What is the difference quotient of the function, g(a) = StartFraction 8 minus a Over 4 EndFraction?
PLEASE HELP

Answers

Given:

The function is:

[tex]g(a)=\dfrac{8-a}{4}[/tex]

To find:

The difference quotient of the function.

Solution:

Formula for difference quotient of the function f(x) is:

[tex]DQ=\dfrac{f(x+h)-f(x)}{h}[/tex]

We have,

[tex]g(a)=\dfrac{8-a}{4}[/tex]

The difference quotient of the function g(a) is:

[tex]DQ=\dfrac{g(a+h)-g(a)}{h}[/tex]

[tex]DQ=\dfrac{\dfrac{8-(a+h)}{4}-\dfrac{8-a}{4}}{h}[/tex]

[tex]DQ=\dfrac{\dfrac{8-a-h-8+a}{4}}{h}[/tex]

[tex]DQ=\dfrac{-h}{4h}[/tex]

[tex]DQ=-\dfrac{1}{4}[/tex]

Therefore, the difference quotient of the given function is [tex]-\dfrac{1}{4}[/tex].

Answer:

They are right, It is -1/4. The second one.

Step-by-step explanation:

Edge 2021

A teacher wrote this experssion on the board (-6)(2)+(-8÷4) what is the vaule of this expression

Answers

Answer:

-14

Step-by-step explanation:

(-12)+(-2)

You solve using Pemdas, doing the (-8/4) first, and then doing (-6)(2)

The answer is the two values added together.

Paula dives into a swimming pool from a diving board 2 feet above the water's surface. She descends to a depth 7 feet below the diving board. How far is Paula from the surface of the water:
1. What integer represents Paula's starting height above the water?

2. What integer represents the total distance Paula descends?

3. Write an addition expression to represent Paula's distance below the water's surface

4. At the end of her dive, Paula is ____feet below the surface of the water

5. Yolanda owes her friend $15. She also earns $8 each week in allowance. Write and solve an addition equation to show how the total amount of money that Yolanda has will change if she pays her friend back this week.

Answers

1) The integer representing Paula's starting height above the water is 2.

2) The integer that represents the total distance Paula descends is 7.

3) An addition expression to represent Paula's distance below the water's surface is 2 + 3.

4) At the end of her dive, Paula is 5 feet below the surface of the water.

5) If Yolanda pays her friend back this week, she will owe her only $7.

What is an integer?

An integer is a whole number.  It can be positive, negative, or zero but without fractions.

Addition expressions combine two or more addends with the addition operand and equation mark (=) to determine the sum (or the result of the addition operation).

Paula:

Height of diving board = 2 feet

Depth of descent below the diving board = 7 feet

Distance below the water's surface = 5 feet (7 - 2)

5 feet = 2 + 3

Yolanda:

Debt to a friend = $15

Earnings per week = $8

Total amount after paying friend = 8 - 15

= -$7

Learn more about addition operations at https://brainly.com/question/4721701

#SPJ1

A landscape engineer is designing a triangular area. He wants to place potted trees in the two largest corners. In which corners will he place the two potted trees?​

Answers

Answer:

the picture is kinda blurry, i cant see the numbers

Step-by-step explanation:

Jennifer is picking a ball out of a box without looking. The probability of picking a green ball is 1/12.

Which option best describes the likelihood of Jennifer picking a green ball?

Answers

Answer:

it's a

Step-by-step explanation:

2 friends want to equally share of a bag of chocolate cookies. What
fraction of the bag will will each friend get to eat?

Answers

Answer:

is this a joke question? it is very easy. one half or 1/2

Step-by-step explanation:

Find the sum of the arithmetic series given a1=8,a14=99,n=14.

Answers

Answer:

The sum of the series is: 749

Step-by-step explanation:

Given

[tex]a_1 = 8[/tex]

[tex]a_{14} = 99[/tex]

[tex]n = 14[/tex]

Required

The sum of the series

This is calculated using:

[tex]S_n = \frac{n}{2}[a_1 + a_n][/tex]

Substitute 14 for n

[tex]S_{14} = \frac{14}{2}[a_1 + a_{14}][/tex]

[tex]S_{14} = 7[a_1 + a_{14}][/tex]

Substitute values for a1 and a14

[tex]S_{14} = 7[8 + 99][/tex]

[tex]S_{14} = 7*107[/tex]

[tex]S_{14} = 749[/tex]

three times four and four fifths

Answers

Answer:

the answer is 12.8

Step-by-step explanation:

Answer:

14 [tex]\frac{2}{5}[/tex]

Step-by-step explanation:

3*4 [tex]\frac{4}{5}[/tex]

4 [tex]\frac{4}{5}[/tex] = [tex]\frac{24}{5}[/tex]

[tex]\frac{3}{1} * \frac{24}{5}[/tex]= [tex]\frac{72}{5}[/tex]

[tex]\frac{72}{5}[/tex] to a mixed number

[tex]\frac{72}{5}[/tex]= 14.4 =14

72-(5*14)=2

14 [tex]\frac{2}{5}[/tex]

Someone help! I will really appreciate it if someone helped me.

Answers

Answer:

A

E

F

Step-by-step explanation: there the even ones

Carlos is building a screen door. He height of the door is 1 foot more than twice the width. What is the width of the door if the height is 7 feet?

Answers

Answer:

The answer is 3 feet.

Step-by-step explanation:

First, the height is 7 right. Then take away 1 foot since is said 1 foot more than twice the width. Then divide by 2 meaning twice. Meaning 7-1=6 6/2=3. There you go! Hope these formulas helped!

Answer:

3 feet

Step-by-step explanation:

To relate the height and width of the door, we can write an equation, which is derived from what is given in the problem. If we define w as the width and h as the height, the words, "1 foot more than twice the width" can translate to:

2w + 1, and this is equal to the height, so

2w + 1 = h

Now, we are given the height is 7. We substitute 7 where the height, h, is.

2w + 1 = 7

We can subtract 1 from both sides and divide by 2 to isolate x:

2w + 1 = 7

      -1     -1

2w = 6

w = 3 - the width is 3 feet

If the mean is 4, what is the missing number of the data set: 3, 4, ___, 7, 2, 1.

Answers

Answer:

7

Step-by-step explanation:

Let the missing number of the data be x.

[tex] \because mean = \frac{3 + 4 + x + 7 + 2 + 1}{6} \\ \\ \therefore 4 = \frac{17 + x }{6} \\ \\ \therefore 4 \times 6 = 17 + x \\ \\ \therefore 24 - 17 = x \\ \\\therefore x = 7[/tex]

Thus, the missing number of the data is 7.

At one school, the ratio of boys to girls in the seventh grade is 12:11. There are 66 girls in the seventh grade. How many boys are there?​

Answers

Answer:68

Step-by-step explanation:

I guesses but most likely right lol

The principal was very _____ about the closed lunch policy and would not change his mind

Answers

Is there multiple choice? but i would say maybe strict.
The principal was very “firm” about the closed lunch policy and would not change his mind.

Help please I don’t get this problem

Answers

9514 1404 393

Answer:

  920 square feet

Step-by-step explanation:

The surface area is the sum of the areas of the different surfaces of the solid. This solid has 5 surfaces: 2 triangular bases and 3 rectangular faces.

The area of a triangle is given by the formula ...

  A = 1/2·bh . . . . . where b is the base of the triangle, and h is its height

The dimensions shown on the "front" of the figure tell you the triangle has a base of 15 ft and a height of 8 ft. Its area is ...

  A = (1/2)(15 ft)(8 ft) = 60 ft²

__

The rectangular faces all have a width of 20 ft. So, the sum of their rectangular areas will be that width multiplied by the sum of their lengths. We call this the "lateral area" of the prism.

  lateral area = (base perimeter) × (prism width)

  = (8 ft + 15 ft + 17 ft) × (20 ft) = 800 ft²

The sum of the areas of the two base triangles and the lateral area is the total surface area of the figure:

  total area = 2×60 ft² + 800 ft²

  total area = 920 ft²

use the formula circumference = 2×π× radius, where π is approximately 3.14, to answer the question

A. 7.9 in
B. 15.7 in
C. 31.4 in
D. 62.8 in​

Answers

Answer:

The correct answer is C. 31.4

Step-by-step explanation:

The first person is right

HELP PLEASE
hhahsjdbrinejs eje did sis ieneieneiebenebeidbjebebejdne

Answers

You speak my language :0

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The diameter of a circle is 15 ft. Find its circumference in terms of \piπ.

Answers

Answer:

47.1 ft

Step-by-step explanation:

dx[tex]\pi[/tex]=C

15x3.14=

47.1

Answer:

18

Step-by-step explanation:

Consider g (x) = StartFraction 4 x + 9 Over x Superscript 6 Baseline + 1 EndFraction Which statement correctly uses limits to determine the end behavior of g(x)? Limit of StartFraction 4 x + 9 Over x Superscript 6 Baseline + 1 EndFraction as x approaches plus-or-minus infinity = limit of StartFraction 4 Over 1 EndFraction as x approaches plus-or-minus infinity, so as x approaches infinity, g (x) approaches 4. Limit of StartFraction 4 x + 9 Over x Superscript 6 Baseline + 1 EndFraction as x approaches plus-or-minus infinity = limit of StartFraction 4 Over x Superscript 5 EndFraction as x approaches plus-or-minus infinity, so as x approaches infinity, g (x) approaches 4. Limit of StartFraction 4 x + 9 Over x Superscript 6 Baseline + 1 EndFraction as x approaches plus-or-minus infinity = limit of StartFraction 4 Over x Superscript 5 EndFraction as x approaches plus-or-minus infinity, so as x approaches infinity, g (x) approaches 0. Limit of StartFraction 4 x + 9 Over x Superscript 6 Baseline + 1 EndFraction as x approaches plus-or-minus infinity = limit of StartFraction 4 x Over 1 EndFraction as x approaches plus-or-minus infinity, so as x approaches infinity, g (x) approaches infinity.

Answers

Answer: C

Step-by-step explanation:

To find the end behavior of a function, we find it's limits as x approaches infinity, getting the correct option as:

As x approaches plus-or-minus infinity = limit of StartFraction 4 Over x Superscript 5 EndFraction as x approaches plus-or-minus infinity, so as x approaches infinity, g (x) approaches 0.

Function:

The function given is:

[tex]g(x) = \frac{4x+9}{x^6+1}[/tex]

Limit as x goes to infinity:

To find the limit of a function as x goes to infinity, we consider the term with the highest exponent in the numerator and in the denominator. So

[tex]\lim_{x \rightarrow \infty} g(x) = \lim_{x \rightarrow \infty} \frac{4x+9}{x^6+1} = \lim_{x \rightarrow \infty} \frac{4x}{x^6} = \lim_{x \rightarrow \infty} \frac{4}{x^5} = \frac{4}{\infty^5} = 0[/tex]

The graphic of the function, given at the end of this answer, corroborates the answer.

Thus, the correct option is:

As x approaches plus-or-minus infinity = limit of StartFraction 4 Over x Superscript 5 EndFraction as x approaches plus-or-minus infinity, so as x approaches infinity, g (x) approaches 0.

For more on limits as x approaches infinity, you can check brainly.com/question/12207599.

Predict the number of deer in a 25 square mile section of the mountains based on the sampling from the figure

Help please it’s a test!

Answers

Answer:

E. 425

Step-by-step explanation:

Assuming that since there are 17 deer in one square, there must be 17 in each square, and knowing there are 25 squares, the answer is equal to 17*25 = 425

PLEASE HELP MARKING BRAINLIST

Answers

Answer:

82?

Step-by-step explanation:

Sorry if wrong :> Please mark brainliest! Have a awesome day ^_^ You're a  great person!!!!

Please help the question and answer choices are in the picture.

Answers

Answer:

B) 20

Step-by-step explanation:

2808 lb. / 140 lb. ≈ 20

Answer 20 explanation no

Answer the question please

Answers

answer: 46
explanation: the top square is 3x2=6 and the bottom one is 8x5=40
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