Can someone help with this I don’t understand

Can Someone Help With This I Dont Understand

Answers

Answer 1

Answer: see below

Step-by-step explanation:

3x-12=7x+8 ⇔ given

   -12=4x+8 ⇔ addition property of equality

   -20=4x ⇔ subtraction property of equality

      x=-5 ⇔ division property of equality

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

5(x-1)=4x+13 ⇔ given

5x-5=4x+13 ⇔ distributive property

 x-5=13 ⇔ subtraction property of equality

    x=18 ⇔ addition property of equality


Related Questions

Find the sum : 1/2( x+7) = 32

Answers

Answer:

x=52

I think it is the answer

The correct answer is x=57

Using the slope formula, find the slope of the line through the given points (3,3) and (1,1)

Answers

Answer:

1

Step-by-step explanation:

The slope formula is [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex] so when you plug in all of the numbers to where they are supposed to be you would get [tex]\frac{1-3}{1-3}[/tex] which is [tex]\frac{-2}{-2}[/tex] which can be simplified to [tex]\frac{1}{1}[/tex] which is just 1 and that would be our answer

Given that \tan\theta =\frac{12}{35}tanθ= 35 12 ​ and that angle \thetaθ terminates in quadrant \text{III}III, then what is the value of \cos\thetacosθ?

Answers

Answer:

[tex]cos\theta = -\frac{12}{37}[/tex]

Step-by-step explanation:

Given

[tex]tan\theta = \frac{35}{12}[/tex]

Quadrant: 3rd

Required

Determine [tex]cos\theta[/tex]

This question will be solved using the Pythagoras theorem

[tex]Hyp^2 = Adj^2 + Opp^2[/tex]

The tangent of an angle is calculated as thus;

[tex]tan\theta = \frac{Opp}{Adj}[/tex]

Comparing

[tex]tan\theta = \frac{35}{12}[/tex] to [tex]tan\theta = \frac{Opp}{Adj}[/tex]

We can conclude that

[tex]Opp = 35[/tex]    [tex]Adj = 12[/tex]

Substitute these values in the Pythagoras formula

[tex]Hyp^2 = 35^2 + 12^2[/tex]

[tex]Hyp^2 = 1225 + 144[/tex]

[tex]Hyp^2 = 1369[/tex]

Square root of both sides

[tex]Hyp = \sqrt{1369}[/tex]

[tex]Hyp = 37[/tex]

SInce [tex]\theta[/tex] is in the 3rd quadrant, then

[tex]cos\theta = -\frac{Adj}{Hyp}[/tex]

Where [tex]Adj = 12[/tex] and [tex]Hyp = 37[/tex]

[tex]cos\theta = -\frac{12}{37}[/tex]

Which of the statements about the following quadratic equation is true?
6x² – 8 = 4x2 + 7×

Answers

Answer:

Its a quadratic eqn with complex roots

Answer:

The answer is A on edunuity.

Step-by-step explanation:

.
Given g(x)=-x-4, find g(5)

Answers

-9 I just put what the calculator says

The required g(5) is -9.

Function g(x) = -x-4. g(5) to determine.

What is Function?

The function is a type of mathematical sting that contains an algebraic link.

Here. g(x) = -x-4
     Put 5 in place of x.
         g(5) = -5-4
         g(5) = -9  

Thus, g(5) is -9

Learn more about functions here:
https://brainly.com/question/12431044

#SPJ2

PLZ ANSWER ASAP!!!!!!!

Answers

Answer:

u=(9-6w)÷-2

Step-by-step explanation:

Answer:

u = 3w - 4.5

Step-by-step explanation:

Step 1: -2u + 6w = 9 - Solve for u by isolating the variable u.

Step 2: Subtract 6w both sides

-2u = 9 - 6w

Step 3: Divide by -2 both sides

u = ( 9 - 6w ) / ( -2 )

u = 3w - 4.5

Have a good day!! :)

let's f (x)= 3x - 7 find F (a + 2) ​

Answers

Answer:

3a-1

Step-by-step explanation:

Substitute

3(a+2)-7

Distribute

3a+6-7

Simplify

3a-1

Answer:

Hope it can help you and please mark me as a brainlist...

round three significant figures 12.3456

Answers

Answer:

12.3

Step-by-step explanation:

Round it where you have 3 numbers that are not 0.

12.3456

round to the hundredths place

12.34 (round to 4)

12.3 (3 sigfigs)

Answer:

12.4

Step-by-step explanation:

12.3456

first you would round the 5 to a 6, the round the 4 to a 5, because the six is greater than five, than you would change the 3 to a 4, because the four that was changed to a five now is big enough to change the number.

The points ​(​-4,​-3) and ​(2​,4​) are the endpoints of the diameter of a circle. Find the length of the radius of the circle.

Answers

Answer: sqrt(85)/2

Step-by-step explanation:

Remember that the length of the diameter is twice that of the radius.

The first step would be finding the distance between the two points using the distance formula[tex]\sqrt{(x_2 - x_1)^{2} + (y_2 - y_1)^{2}[/tex].

The distance of diameter = [tex]\sqrt{85}[/tex]

The distance of the radius would be half that, so [tex]\frac{\sqrt{85}}{2}[/tex]

Please help!!!
A pairs of fair die is tossed. What is the probability of not setting a sum 13?

A. 0
B. 1
C. 2
D. 0.5​

Answers

Answer:

Answer is A the highest number we can get is 12 so its potion A

The both highest numbers are 6 and, 6 6 +6 is 12 so its 0

Round this whole number Round 5,165 to the nearest ten.

Answers

Answer:

5,170

Step-by-step explanation:use rounding number calculater for extra help

5165 rounded to the nearest ten is: 5170

1. A man is paid $ 600 per week after a pay rise of 20 %. What was he paid before?​

Answers

Answer:

y. 100

------ = -------

600. 120

120y= 60000

y = 60000÷ 120

= $500

PLEASE HELP!! Stuart invested $800 in a computer and now makes $5 a page typing research
papers. Let x represent the number of pages Stuart has typed, and let y
represent his profit.

a. Write an equation for y in terms of x.

Answers

Answer:

y = 5x - 800

Step-by-step explanation:

If x represents the number of pages typed, 5x will represent how much money he earns from typing them, since he gets $5 per page.

Then, 800 needs to be subtracted from this because he spent $800 on the computer.

So, the equation will be y = 5x - 800 to represent his profit.

El operador de un elevador registro el numero de pisos que este subio y bajo en varias ocaciones para llegar a la planta baja hasta el piso 9 si en total se hicieron 5 movimientos 2 de bajada y 3 de subida que operacion podria indicar la cantidad de pisos que el elevador subio bajo en cada movimiento

Answers

Answer:

Supongo que en realidad dice

"... Para llegar de la planta baja hasta el piso 9..."

Ok, el elevador comienza en el piso 0, y llega hasta el piso 9 después de 5 movimientos.

De estos 5 movimientos, 3 suben (los podemos definir como positivos)

y 2 bajan (los escribimos como negativos).

Entonces, comienzo en 0.

0 + A + B + C - D - E = 9.

ahí dice que:

"desde el piso 0, tengo 3 subidas y dos bajadas de tal forma que el resultado final es el piso 9"

Una expresión algebraica matemática consta de variables y constantes junto con operaciones algebraicas. Al resolver problemas de palabras algebraicas, es necesario que los problemas se traduzcan con precisión en ecuaciones y se resuelvan correctamente.

Dado que:

Un operador quiere llegar al noveno piso superior desde la planta bajaEl número total de sus movimientos = 5 movimientosNúmero de movimientos hacia arriba = 3Número de movimientos hacia abajo = 2

Para configurar una operación que indique el número de pisos que recorrió el ascensor con cada movimiento;

Vamos a considerar

el número de movimientos hacia arriba (es decir, elevado) será          = (a)el número de movimientos hacia abajo (es decir, hacia abajo) para ser = (b)

Número de movimientos hacia arriba = 3 × a = 3aNúmero de movimientos hacia abajo = 2 × b = 2b

Así, la puesta a punto de la operación que indica el número de pisos que recorrió el ascensor con cada movimiento se puede deducir de la diferencia entre el movimiento de subida y bajada será igual a 9.

Por lo tanto, podemos concluir que la configuración de la operación es:

3a - 2b = 9

Obtenga más información sobre las expresiones algebraicas aquí:

https://brainly.com/question/11227332?referrer=searchResults

A plant is 8 cm tall, and grows 3 cm taller each week. How tall will the plant be after 25
weeks?

Answers

Answer:

83 cm

Step-by-step explanation:

let's make an equation for this situation. The plant starts at 8 cm and grows 3 cm every week. If x represents time in weeks and y represents height in cm, then:

y = 8+3x

filling in 25 for x, we find that:

y = 8+75

y = 83 cm

Answer:83

Step-by-step explanation:

25 x 3 = 75

75 + 8 = 83

PLEASE HELP ME ON THIS IT IS URGENT IT IS GEOMETRY ILL MARK U THE BRAINLIEST DONT WASTE ANSWERS

Answers

Q=U because S=T
It’s a reflection of the two angels

is it possible to have a regular polygon whose each exterior angle measure 57 degree justify your answer​

Answers

Answer:

No

Step-by-step explanation:

The sum of all exterior angles of any regular polygon is 360°.

= [tex]\frac{360}{57} \\\\= 120/19\\or\:6.315[/tex]

The number of sides should be a natural number not in fraction or decimal

no because a regular polygon isn’t even regular

What is the common ratio of the geometric sequence below?
18, -6, 2. - ...

Answers

Answer:

C

Step-by-step explanation:

The solution is Option C

The common ratio of the geometric sequence is -1/3

What is Geometric Progression?

A geometric progression is a sequence in which each term is derived by multiplying or dividing the preceding term by a fixed number called the common ratio.

The nth term of a GP is aₙ = arⁿ⁻¹

The general form of a GP is a, ar, ar2, ar3 and so on

Sum of first n terms of a GP is Sₙ = a(rⁿ-1) / ( r - 1 )

Given data ,

Let the geometric sequence be represented by A

Now , the value of A is

A = 18 , -6 , 2 , -2/3

Let the first term of the geometric sequence be = a₁

The value of a₁ = 18

Let the second term of the geometric sequence be = a₂

The value of a₂ = -6

And , the common ratio r is given by the formula

Common ratio r = second term / first term

Substituting the values in the equation , we get

Common ratio r = -6/18

On simplifying the equation , we get

Common ratio r = -1/3

Therefore , the ratio is -1/3

Hence , The common ratio of the geometric sequence is -1/3

To learn more about geometric progression click :

https://brainly.com/question/1522572

#SPJ2

A map has a scale of 1:100,000 what is the map distance between two cities if the real distance was 20km​

Answers

Step-by-step explanation:

I guess you mean 1cm:100000cm

Hence, for every 1 cm on the map 100000 cm is covered on the land.

Take the distance on the map for 20 km be x

Hence, 1:100000:: x: 2000000 cm

In order to solve this ratio, you must multiply the extremes and the moderates (nears).

Hence, 2000000×1=100000×x [1km=100000 cm]

Hence, 2000000= 100000x

Hence, x=2000000/100000 cm

Hence, x=20 cm

Hence, 20 cm on the map

Explain the difference between f(2) and f(x) = 2. Use a verbal explanation and create examples to make it very clear. Please help me out

Answers

Let x be a variable, and f(x) a function of that variable.

f(2) is a number ; it's the value of the function f(x) when x = 2, assuming that value exists.

f(x) = 2 is a statement ; it says there is some value of x for which the function returns a value of 2. Because it's a statement, it can be true or false.

Here's an example:

Define f(x) = sin(x). Then f(2) = sin(2) ≈ 0.909297.

If x is a real number, then the statement sin(x) = 2 is false, because -1 ≤ sin(x) ≤ 1 for all real x.

If we replace 2 with 1, on the other hand, we get

f(1) = sin(1) ≈ 0.84147

and

sin(x) = 1  ==>  x = π/2 + 2nπ

where n is any integer. (So we're talking about numbers like π/2, -3π/2, 5π/2, -7π/2, and so on.) We're saying here that any real number x of the above form satisfies the equation and makes the statement true.

plz, help ASAP!!! WILL MARK YOU BRAINLIEST IF UR ANSWER IS CORRECT QUESTION #5

Answers

Answer:

D.

Step-by-step explanation:

The domain remains the same [a, b) and the range  is [mc + n,md + n).

Jeremy is painting his room over the
summer. Here are 4 different wall
colors and 3 different trim colors.
How many different ways can he
paint his room?

Answers

Answer:

Jeremy has 12 ways of painting his room.

He has 4 different wall colors and 3 different trim colors, so, if we want to know how many ways does he have to paint his room, we only need to multiply:

4 * 3 = 12

That's why he has 12 ways of painting his room. That's because for each of the 4 different wall colors, there are 3 trim colors he can use.

Answer: 12 different ways

Step-by-step explanation:

The question is asking for a combination of a wall color and a trim color because his room required one wall color and one trim color.

In this case, combination will be the number of first kind multiplies with the second kind. This is similar to sketching a tree diagram but instead, we will be using numerical method which will be quicker.

If you are still confused, I will provide some examples.

You have 5 kind of bread and 4 kind of toppings, there will be 20 different ways to buy a pair (5×4=20)You have 5 different shoes, 3 different laces, and 2 different tops, there will be 30 different ways to match (5×3×2=60)

This also applies to your question. You have 4 different wall colors and 3 different trim colors.

4×3=12

You have 12 different ways to paint the room

Hope this helps!! :)

Please let me know if you have any question

Exponential functions help please

Answers

Answer:

8400/2 then simplify

Step-by-step explanation:

What subset of real numbers does 18.5 inches belong to?

Answers

Answer:

The correct answer is rational.

Step-by-step explanation:

The diameter of the tree belongs to the subset of rational numbers.

Natural numbers are the numbers 1, 2, 3 4, etc. Since 18.5 has a fractional/decimal component, it is not considered a natural number.  Whole numbers include all of the natural numbers, as well as 0; therefore, 18.5 is not a whole number either.

Integers include all whole numbers as well as negative numbers, but the integer category still does not encompass numbers with a decimal component.  For this reason, 18.5 is not an integer either.

Therefore, the only subset of numbers that 18.5 can fall under is rational numbers.  A rational number is a number that can be represented as a fraction.  18.5 can be represented as 37/2 and is thus a rational number.

You can also refer to the infographic given in the question for further clarity on which subsets of numbers are more inclusive than others.

Hope this helps!

What is the distance traveled by a train moving at a rate of 45mph in t hours?

Answers

Answer:

45t = distance

Step-by-step explanation:

Distance = speed * time

Distance= 45 mph * t hours = 45t

What is the DOMAIN of the following relation? {(-5,4), (-4,2), (0,2), (1,3), (2,4)}

Answers

Answer:

{-5, -4, 0, 1, 2}

Step-by-step explanation:

The domain is the inputs or the x values

{-5, -4, 0, 1, 2}

Answer:

See below.

Step-by-step explanation:

The domain of a relation is all of the x-coordinates.

So we have the relation:

{(-5,4), (-4,2), (0,2), (1,3), (2,4)}

This means that the domain will be the following values:

{(-5,4), (-4,2), (0,2), (1,3), (2,4)}

So, our domain is:

[tex]\{-5, -4, 0, 1, 2\}[/tex]

Note that the domain is in ascending order.

What is the distance between the points (5, 1) and (-3, -5)?

2
2
10
4

Answers

Step-by-step explanation:

Hey, there!!

The given points are A(5,1) and B(-3,-5)

We have, distance formulae for AB is,

[tex]ab = \sqrt{ {(x2 - x1)}^{2} + ( {y2 - y1)}^{2} } [/tex]

[tex]ab = \sqrt{( { - 3 - 5)}^{2} + ( { - 5 - 1)}^{2} } [/tex]

[tex]ab = \sqrt{( { - 8)}^{2} + ( { - 6)}^{2} } [/tex]

[tex]ab = \sqrt{64 + 36} [/tex]

[tex]ab = \sqrt{100} [/tex]

Therefore, the distance between AB points is 10 units.

Hope it helps...

Find the number of ways of arranging the letters of the word MOSHOESHOE, if the letter M must always begin a word

Answers

Answer:

7560.

Step-by-step explanation:

There are 9 letters after the M consisting of  3 O's, 2 H's, 2 H's and 2 E's.

So the number of ways is   9! / (3!*2!*2!*2!)

= 362880 / (6*2*2*2)

= 362880 / 48

= 7560.

The number of ways the word MOSHOESHOE can be rearranged, if the letter M must always begin a word is 75,600 ways

Given:

MOSHOESHOE

n = total number of letters = 10

a = number of times O appears = 3

b = number of times S appears = 2

c = number of times E appears = 2

d = number of times H appears = 2

number of ways the word can be rearranged if M must always begin a word

= n! / (a! b! c! d!)

= 10! / (3!, 2!, 2!, 2!)

= (10 × 9 × 8 × 7 × 6 × 5 × 4× 3 × 2 × 1) / (3 × 2 × 1, 2 × 1, 2 × 1, 2 × 1)

= 3,628,800 / (6 × 2 × 2 × 2)

= 3,628,800 / 48

= 75,600 ways

Therefore, the number of ways the word can be rearranged if M must always begin a word is 75,600 ways

Read more:

https://brainly.com/question/14370457

Mr. Molesky observes a group of monkeys for 24 hours to learn about their behavior. He records how long they slept (in hours), how many bananas they ate, key

Answers

Answer:

Explained below.

Step-by-step explanation:

The complete question is:

Mr. Molesky observes a group of monkeys for 24 hours to learn about their behavior. He records how long they slept (in hours), how many bananas they ate, gender, age (in years), and the specific breed of monkey.

(a) What are the individuals in this data set?

(b) Identify the variables that were recorded, and indicate whether each one is categorical or quantitative?

Solution:

(a)

The term "individuals", in statistics, implies or denotes the objects or people included in a statistical study.

In this case it is provided that Mr. Molesky observes a group of monkeys for 24 hours to learn about their behavior.

So, the "individuals" in this data set are the monkeys.

(b)

Categorical variables belong to a certain category or label values. Such as gender of a person, state from which a person is from, color of the marble and so on.

Quantitative variables are those variables that assume numerical values and represent some sort of measurement. Such as height, weight, annual income of the people working at the same place and so on.

In this case the variables are:

Number of bananas the monkeys ate - Quantitative variable

Gender - Categorical variable

Age (in years) -  Quantitative variable

Specific breed of monkey - Categorical variable

The individuals in the data set refers to each monkey used in the experiment.

The variables in the experiment include :

Number of bananas = QUANTITATIVE (DISCRETE) gender = QUALITATIVE (MALE OR FEMALE) Age (in years) = QUANTITATIVE (discrete) and the specific breed of monkey = QUALITATIVE.

Individuals used in a research refers to each species or subject used in the research finding.

QUALITATIVE or categorical variables are used as labels rather than numerical values. They include gender, colors , and so on.

QUANTITATIVE variables involves numerical variables upon which basic mathematical operations may be performed.

DISCRETE variables involves variables whose values or numbers can be obtained by counting.while

CONTINUOUS variables include variable measure are obtained by measurement such as height and weight.

Learn more https://brainly.com/question/10697348

Complete question :

Mr. Molesky observes a group of monkeys for 24 hours to learn about

their behavior. He records how long they slept (in hours), how many bananas they ate, gender, age (in years), and the specific breed of monkey.

(a) What are the individuals in this data set?

(b) Identify the variables that were recorded, and indicate whether each one is categorical or quantitative(continuous), or quantitative(discrete), make sure tell me which one is continuous and which one is discrete

b) If a, b, c are three rational numbers where a =
a = 3
3,6 = and c =
olů
Verify: a + (b + c) = (a + b) + C​

Answers

Step-by-step explanation:

a =

a = 3

3,6 = and c =

olů

what is this please write this clearly

Other Questions
Two tuning forks having frequencies of 460 and 464 Hz are struck simultaneously. What average frequency will you hear, and what will the beat frequency be Which statement about correlation is FALSE?A) Correlation is a quantitative measure of the strength of a linear association between two variables.B) Correlation is a quantitative measure of the strength of a non-linear association between two variables.C) A correlation of -1 or 1 corresponds to a perfectly linear relationship.D) Correlation is measured by r, the correlation coefficient which has a value between -1 and 1. An entry in QuickBooks Online has been made, but you need to double check the debit and credit entries. What is the quickest way to do this? The Graduate Record Exam (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following problems: (a) Indicate the percentage or score called for by the problem.(b) draw a rough sketch, darkening in the portion of the curve that relates to the answer, and1) What percentage of the persons who take the test score above 1300?2) What percentage score above 800?3) What percentage score below 1200?4) Above what score do 20% of the test-takers score?5) Above what score do 30% of the test-takers score? Assume the total cost of a college education will be $200,000 when your child enters college in 16 years. You presently have $67,000 to invest. What annual rate of interest must you earn on your investment to cover the cost of your childs college education? a student has two substances at a lab table. He drops both into a graduated cylinder and records his data on the table below. if the density of the gold is almost 4 times more than iron pyrite. approximately how much water will be displaced by the gold? answers: a) 4ml b) 16 c)20 d)1 The left and right page numbers of an open book are two consecutive integers whose sum is 321 Find these page numbers. What is the factorization of the trinomial below?12x2-x-35 Find the value of x if O is between D & B and DO = 15, OB = 3x + 7, and DB = 9x - 2 x= ____ please help i cant figure this out 7(4+t) - 5(t+1) = What conclusions can be drawn from the graph? Select two options.The coldest year since 1950 was 1983.The hottest year since 1950 was 1957.Most years since 1990 have been hotter than the 20th-century average.Most years from 1950 to 1960 were colder than the 20th-century average.Temperatures varied farther from the average in the 1990s than the 1980s. A factory employee worked 3/4 of an hour to finish 2/5 of a project. At this rate, how many additional hours will theemployee require to finish the project?0.450.51.12501.251.875 So i missed a day at school and don't know how to solve 1.2/8.4 = w/14.Can anyone help. A reason Spanish conquistadors went to the Americas during the 1500s was to prevent war with the American Indians. protect the American Indian way of life. learn about American Indian culture. spread Christianity to American Indians. True or False: Results that are practically significant will always be statistically significant. show work plz !!!!!!!!!!!! Classify the two given samples as independent or dependent. Sample 1: Pre-training blood pressure of 17 people Sample 2: Post-training blood pressure of 17 people a. dependent b. independent Angle PSR measures 99. What is the measure of PSQ in degrees? solve for n 36=13n-4n Why were the Mississippian Indians considered to be an advanced culture?