Si alicia se gasta 2 pesos, le quedaría el doble de dinero que si se gastara 4 pesos ¿cuantos tiene alicia?

Answers

Answer 1

Answer:

La cantidad de dinero que tiene Alicia es 6 pesos.

Step-by-step explanation:

Un sistema de ecuaciones lineales es un conjunto de dos o más ecuaciones lineales, en el cual se relacionan dos o más incógnitas.

Resolver un sistema de ecuaciones consiste en encontrar el valor de cada incógnita para que se cumplan todas las ecuaciones del sistema. Es decir, se debe buscar los valores de las incógnitas, con los cuales al reemplazar, deben dar la solución planteada en las ecuaciones.

Siendo:

x= cantidad de dinero que tiene Alicia.y= dinero que le quedaría a Alicia si gasta 4 pesos.

Entonces el sistema de ecuaciones a resolver es:

[tex]\left \{ {{x-2=2*y} \atop {x-4=y}} \right.[/tex]

Sustituyendo la ecuación 2 en la primer ecuación:

x-2= 2*(x -4)

Resolviendo:

x -2= 2*x -2*4

x -2= 2*x -8

-2 + 8= 2*x -x

6= x

Entonces, la cantidad de dinero que tiene Alicia es 6 pesos.


Related Questions

Find the OL length
Please

Answers

Answer:

M N o 3 9:Ol length-P∆kon-60+39-99

3. At noon Lan is in his blue mini-van 300 km north of Makenna in her Bugatti. Lan heads south
at a speed of 60km/h while Makenna heads west at 75km/h. At what rate is the distance between
them changing at 2:00 PM? Express your answer as an approximate value rounded to the nearest
hundredth. (4 marks)

Answers

Answer:

The rate at which the distance between them is changing at 2:00 p.m. is approximately 1.92 km/h

Step-by-step explanation:

At noon the location of Lan = 300 km north of Makenna

Lan's direction = South

Lan's speed = 60 km/h

Makenna's direction and speed = West at 75 km/h

The distance  Lan has traveled at 2:00 PM = 2 h × 60 km/h = 120 km

The distance north between Lan and Makenna at 2:00 p.m = 300 km - 120 km = 180 km

The distance West Makenna has traveled at 2:00 p.m. = 2 h × 75 km/h = 150 km

Let 's' represent the distance between them, let 'y' represent the Lan's position north of Makenna at 2:00 p.m., and let 'x' represent Makenna's position west from Lan at 2:00 p.m.

By Pythagoras' theorem, we have;

s² = x² + y²

The distance between them at 2:00 p.m. s = √(180² + 150²) = 30·√61

ds²/dt = dx²/dt + dy²/dt

2·s·ds/dt = 2·x·dx/dt + 2·y·dy/dt

2×30·√61 × ds/dt = 2×150×75 + 2×180×(-60) = 900

ds/dt = 900/(2×30·√61) ≈ 1.92

The rate at which the distance between them is changing at 2:00 p.m. ds/dt ≈ 1.92 km/h

i want to know the answer to the sum of f and 6

Answers

f + 6 = ?

Well, the answer can be pretty much any number. It all depends on what number f is. f is a variable, so you can plug in any number to replace f.

For example, if f was 5, this is what the equation would look like:

5 + 6 = 11

If f was -3, this is what the equation would look like:

-3 + 6 = 3

So, again, the answer can be anything. It depends on what f is.

help due soon please :C

Answers

Answer:

Step-by-step explanation:

27 + D + 2A + C = 25 + D + B + C + A

subtract D, A, C on both sides

=> 27 + A = 25 + B

=> B = A + 2

3D + A + 29 = 2B + D + A + 27

=> 2D + 29 = 2B + 27

=> 2D = 2B + 27 - 29

=> D = B - 1

substitute:

27 + (B - 1) + 2(A + 2) + A = 2A + B + 30

substitute again:

2A + (A + 2) + 30 = 3A + 32

which expression is equivalent to the expression shown!

Answers

Answer:

Answer is Option A

Step-by-step explanation:

3 / 2 x - 1 /2

Hope this answer helps you :)

Have a great day

Mark brainliest

Answer:

D

Step-by-step explanation:

Given

- [tex]\frac{1}{2}[/tex] ( - [tex]\frac{3}{2}[/tex] x + 6x + 1) - 3x ← distribute parenthesis

= [tex]\frac{3}{4}[/tex] x - 3x - [tex]\frac{1}{2}[/tex] - 3x

=  [tex]\frac{3}{4}[/tex] x - 6x - [tex]\frac{1}{2}[/tex]

= [tex]\frac{3}{4}[/tex] x - [tex]\frac{24}{4}[/tex] x - [tex]\frac{1}{2}[/tex]

= - [tex]\frac{21}{4}[/tex] x - [tex]\frac{1}{2}[/tex]

= - 5 [tex]\frac{1}{4}[/tex] x - [tex]\frac{1}{2}[/tex] → D

Only need the first question!!! Help me pls!! I’ll follow you and make brain list.

Answers

Answer:

Step-by-step explanation:

This is hard

Which fraction has a terminating decimal as its decimal expansion?
One-third
One-fifth
StartFraction 1 Over 7 EndFraction
StartFraction 1 Over 9 EndFraction

Answers

Answer:

1/5

Step-by-step explanation:

Answer:

1/5 is the correct answer on edge. 2021

Step-by-step explanation:


Mr. Flourdust is a baker. Today he is making apple pies.
He has 12 bags of apples, with 6 apples in each bag.
He uses 6 apples for each pie.
How many apple pies can Mr. Flourdust make?

Answers

Answer:

12 apple pies

Step-by-step explanation:

If he uses 6 apples for each pie and he has 12 bags of apples with 6 apples in each bag, then we can infer that each bag is one pie.

So, 1x12 = 12 apple pies

Hope this helped :)

Histograms are more closely related to stem-and-leaf plots but look
somewhat like bar graphs.
A. True
B. False

Answers

Answer:

true

Step-by-step explanation:

its like a bar graph but joint. theres no space between two consecutive bars

This is : true
………………….

what is the working for -(-6)

Answers

[tex]\longrightarrow{\green{6}}[/tex] 

[tex]\sf \bf {\boxed {\mathbb {Step-by-step\:explanation:}}}[/tex]

[tex] \: - ( - 6)[/tex]

Removing parentheses. we have

➼ [tex] \: 6[/tex]

...................................................Note:-

[tex]\sf\red{PEMDAS\: rule.}[/tex]

P = Parentheses

E = Exponents

M = Multiplication

D = Division

A = Addition

S = Subtraction

And,

[tex]\sf\purple{(-)\:x\:(-)\:=\:+}[/tex]

...................................................

[tex]\large\mathfrak{{\pmb{\underline{\orange{Mystique35 }}{\orange{❦}}}}}[/tex]

Please help me with this math problem

Answers

Answer:

100, 50, 25, 12.5, 6.25

Step-by-step explanation:

Since the number in the sequence is half of the previous value so

1st term: 100

2nd term: 50

3rd term: 25

4th term: 12.5

5th term: 6.25

I think

7 cm Find the circumference of the circle pictured above. Use 3.14 for π


Answers

Answer:

43.982297cm

Step-by-step explanation:

hope that helps

have a great day/night

19NBoli

Step-by-step explanation:

if ur radius is 7cm

then

circum of a circle =2pi r

2×3.14×7=43.96

I need help with this

Answers

Answer:

Tom

Step-by-step explanation:

After you convert them to decimals 131/593 is 0.22091062394 while 2/9 is 0.22222222222

Please help me with this question I will give 20 points

Answers

Answer:

Step-by-step explanation:

If two angles are both vertical and supplementary, can we determine the angles? Is it possible to be both vertical and complementary? If so, can you determine the angles? Explain how you know.

Answers

Answer:

i. Two angles can be vertical and supplementary.

ii. Yes, we can determine the angles.

Step-by-step explanation:

When two angles are vertical, it implies that they are equal (with respect to vertical opposite property). While two angles are supplementary if and only if they add up to 180 degrees .

It is not mandatory for the two angles to be beside each other so as to be supplementary. So that in this special case, the only measure of angles that can be both vertical and supplementary is 90 degrees .

This answer is right. Please mark Brainliest!

A movie theater sells up to 10 tickets at a time online. What is the domain of this graph?

Answers

Answer:

I think the correct answer is B

Answer:it is is b

Explanation:

Select the correct answer.
What is the value of g(2)

Answers

Answer:

1

answer is D

Step-by-step explanation:

we must calculate it from this equation :

x³ -9x²+27x-25 then

[tex] {2}^{3} -( 9 \times 4 )+ (27 \times 2) - 25 = 1[/tex]

The time, T (seconds) it takes for a pot of water to boil is inversely proportional to the cooker setting, H ,applied to the pot.
When H=6 T=90.
What must the cooker setting be if it takes 5 minutes to boil the water?

Answers

Answer:

[tex]1.8[/tex]

Step-by-step explanation:

Since the time for the pot of water to boil is inversely proportional to the cooker setting, H, as one goes up, the other must go down:

[tex]T\propto \frac{1}{H}[/tex]

Convert 5 minutes to seconds:

[tex]5\cdot 60=300\:\mathrm{s}[/tex]

Therefore, from the initial data given (When H=6, T=90), the new time is [tex]\frac{300}{90}=3\frac{1}{3}[/tex] larger. Therefore, H must be [tex]3\frac{1}{3}[/tex] times smaller for them to be inversely proportional.

[tex]H=\frac{6}{3\frac{1}{3}}=\boxed{1.8}[/tex]

4/7 x 13/9 =

plz help

Answers

the correct answer is 52/63 or 0.825396
~Hİ ~

Answer : [tex] \frac{4}{7} \times \frac{13}{9} = \frac{52}{63} [/tex]

It is true that 12 ≥ 9. So, w = 9 is a solution.








How: Plug w = 9 into the inequality.


12 ≥

w


12 ≥

9

Plug in w = 9


It is true that 12 ≥ 9. So, w = 9 is a solution.

Answers

Answer:

W%8$9$$+#(99(($$(%49$($(%($($9$9$$9%9


Gray rented a tuxedo for his friend's wedding. It cost him $78 to rent the tuxedo for
2 days. What was the daily rental rate for the tuxedo, in dollars per day?

Answers

Answer:

39 dollars per day

Step-by-step explanation:

Take the total cost and divide by the number of days

78/2 =39

The daily rental price is $39

Can someone help please *odd numbers only!!!!!!*

Answers

Answer:

Caitlyn Marie Jenner is an American media personality, socialite, political candidate and retired Olympic gold medal-winning decathlete. Jenner played college football for the Graceland Yellowjackets before incurring a knee injury that required surgery. Convinced by Olympic decathlete Jack Parker's coach, L. D.

Step-by-step explanation:

Hope this helps! Have a good day!

Answer:

Pretty sure 4.1 is an even number, 88° to be exact.

since your homework is quite much and kinda boring, the only thing you could offer me as motivation are brainliests. like in reposting the same sheet.

but this here for free: the of all three angles inside a triangle is 180 degrees.

half a turn of a full circle is 180 degrees, wich is important to calculate excercises 2 and 3 using subtraction.

for the first brainliest you can have 1-4

for the second 5-7 and for the third and fourth 8-9 and 10-11.

the whole sheet for a maybe-brainliest just isn't enough. it's like half an hour of grind work man

please help mee i dont understand

Answers

Answer:

Step-by-step explanation:

(2x-5)(x+6)=0

either 2x-5=0               Or, x+6=0

2x-5=0

2x=0+5

x=5/2

x+6=0

x=0-6

x=-6

so x=5/2 , x=-6

x = -6, x = 5/2

separate and set both equations to zero and solve for x

2x-5=0 2x =5 x=5/2

x-6=0 x=-6

hope this helps

f(x)=3x−4 Input is x=3 , Output is
f(x)=−4x+3 Input is x=−3 , Output is

f(x)=−x−1 Input is x=−4 , Output is

f(x)=x2 Input is x=5 , Output is

Answers

f(x)=3x−4 Input is x=3 , Output is

3X3-4= 5

f(x)=−4x+3 Input is x=−3 , Output is

4x-3 +3 = -9

f(x)=−x−1 Input is x=−4 , Output is

-(-4-1) =-(-5) =5

f(x)=x2 Input is x=5 , Output is

5x2=10

hope it will help you

Can someone help me with this question?

Answers

Answer:

A = 20.25 sq units

Step-by-step explanation:

to find the area of a square you only need to know the measure of one side -- all other sides will be equal to it

it appears the segment is 4.5 units so you would square that to get the area

A = 4.5²

A = 20.25

Using the image below, find the number of squares in the next figure

Answers

Answer:

30 squares would be next in sequence

Step-by-step explanation:

each block of squares are adding as many as it takes to make an L around the previous square

how many vertices has a triangular pyramid and a triangular prism

Answers

A triangular pyramid has 4 vertices and triangular prisms 6 vertices

What's the area of this

Answers

Answer:

133

Step-by-step explanation:

Because the figure is an irregular figure we need to break it up into two regular figures

The figure would be broken into..

A square with a side length of 4

And a rectangle with a length 13 and a width of 9

We now find the areas of the regular figures and add them together to get our answer

For the square.

To find the area of a square simply square the side length

Area = 4^2 = 16

For the rectangle

to find the area of the rectangle simply multiply the Length by the width

Area = 13*9= 117

Finally add the two areas together to get the area of the composite figure

117 + 16 = 133

Find the measure of angle 7
I WILL GIVE BRAINLIEST TO THE CORRECT ANSWER

Answers

Answer:

119

Step-by-step explanation:

Answer:

119

Step-by-step explanation:

im sure now

Combine like terms. What is a simpler form of each expression?
-3(4y - 8) – 4y

Answers

Answer:

A) -16y+24

Step-by-step explanation:

Distribute -3 with 4y and -8

-12y+24-4y

Add -12y and -4y

-16y+24

Answer is -16y+24

Hope this helps!

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