Por que necesitamos los modelos Matemáticos

Answers

Answer 1

Answer:

TRANSALATE!!!!

Step-by-step explanation:

Answer 2

Answer:

Para qué sirve un modelo matemático? Los modelos matemáticos son utilizados para analizar la relación entre dos o más variables. Pueden ser utilizados para entender fenómenos naturales, sociales, físicos, etc.

Step-by-step explanation:


Related Questions

Which is a reasonable domain for the function f(x)=10x+8

Answers

Answer:

(-∞,∞)

Step-by-step explanation:

The domain is all possible x values of the function

There are no constraints or holes for this and therefore the domain is all real numbers

function is a relationship between inputs where each input is related to exactly one output.

x values can be ........-5,-4,-3,-2,-1, 0, 1, 2, 3, 4, 5, 6,.........

The reasonable domain for the function f(x) = 10x + 8 is (-∞, ∞).

What is a function?

function is a relationship between inputs where each input is related to exactly one output.

Example:

f(x) = 2x + 1

f(1) = 2 + 1 = 3

f(2) = 2 x 2 + 1 = 4 + 1 = 5

The outputs of the functions are 3 and 5

The inputs of the function are 1 and 2.

We have,

f(x) = 10x + 8

We can have any real values of x.

f(-2) = -20 + 8 = -12

f(-1) = -10 + 8 = -2

f(1) = 10 + 8 = 18

f(2) = 20 + 8 = 28

f(3) = 30 + 8 = 28

.

.

.

x values can be ........-5,-4,-3,-2,-1, 0, 1, 2, 3, 4, 5, 6,.........

So,

The domain of the function f(x) = 10x + 8 is -∞ to ∞.

We can write as an interval as,

(-∞, ∞).

Thus,

The reasonable domain for the function f(x) = 10x + 8 is (-∞, ∞).

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Elena measured the perimeter of a square desk and found 359 cm. Andre measured the perimeter of the same desk and found 3,579 mm. a. By how many millimeters do these measurements differ?

Answers

Answer:

Step-by-step explanation:

Since 1cm=10mm

(big to small multiply, small to big divide)

3579/10=357.9

so 1.1 cm or 11 mm

How many 1/2 ­cup servings are in 4 cups of ice cream?

Answers

Answer:

8 1/2 cup servings

Step-by-step explanation:

Hello!

Well to solve this we have to take the total amount of cups of ice cream and divide it amongst the servings.

So :

Total = 4 cups

Serving = 1/2 cup

What we can do since its such a lower number is count it out by increments of 1/2.

Like so :

1/2 1 1 1/2 2 2 1/2 3 3 1/2 4

So, in total, there would be 8 servings of half a cup of ice cream in 4 cups.

I hope this helps!

If you have any questions or concerns feel free to message me or comment! :)

The number of 1/2 ­cup servings are in 4 cups of ice cream are 8.

What is Division?

A division is a process of splitting a specific amount into equal parts.

We need to find the number of 1/2 ­cup servings are in 4 cups of ice cream

A half cup serving is equal to 4 fluid ounces.

Therefore, 4 cups of ice cream is equal to 8 half-cup servings,

since 4 cups is equal to 32 fluid ounces and 32 divided by 4 equals 8.

4/(1/2)

4×2

8 cups

Hence, the number of 1/2 ­cup servings are in 4 cups of ice cream are 8.

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Which two statements are true

Answers

Answer:

Only 2nd option is the correct answer.

There is no other correct option given.

Step-by-step explanation:

Hope it helps you in your learning process.

Solve the multi-step equation by combining like terms and using inverse operations and the properties of equality.

Equation: –4x – 5 + 2x = –11

What is the value for x?
x = –3
x = 1
x = 3
x = 8

Answers

Answer: 3
Explanation:

Answer:

its three aka C

Step-by-step explanation:

in edge 2021 its correct.

Solve this problem, please!

Answers

Answer:

B

Step-by-step explanation:

Kate reads 154 books in 11 months. How many books per month did she
read?

Answers

154/11= 14

She read 14 books per month

Question 10 (Worth 5 points)
(01.01 LC)Look at the following numbers:

−4, −5, 0, 5

Which pair of numbers has a sum of zero?

5, −5

−5, 0

−4, 5

−4, 0

Answers

The pair of numbers that have a sum of zero is 5, -5. -5 + 5 = 0

Giving brainliest to correct answers!

97 oz = ? lb ? oz

Which is larger, 10 tons or 22,000 pounds?

Which is larger, 7 kilograms or 7,000 grams?

Answers

Answer:

1. 5.61 lb 2. 22,000 pounds 3. they are the same

Step-by-step explanation:

16 oz in a lb. 16 x 5 is 90. extra 7 is approx 0.61 of a pound. 2000 lb in a ton. 2000 x 2 = 20000 extra 2000. 22000 is bigger. 1000 grams in a kilo. 1000 x 7 = 7000. they are the same

Given: \overline{AC}

AC

and \overline{DB}

DB

bisect each other


Prove: \triangle ABE \cong \triangle CDE△ABE≅△CDE.

Answers

△ABD ≅ △CBD is below

Step-by-step explanation:

Given:

AD = CD      .........BD bisect AC

To Prove:

△ABD ≅ △CBD

Proof:

In  ΔABD  and ΔCBD  

BD ≅ BD              ....……….{Reflexive Property}

∠ADB ≅ ∠CDB    …………..{Measure of each angle is 90°(  )}

AD ≅ CD              ....……….{  }

ΔABD  ≅ ΔCBD   .......….{By Side-Angle-Side Congruence test}  ...Proved

I think this is it? Hope it helps :)

Answer:

Step-by-step explanation:

Brent paid for six avocados with a $20 bill he received $10.40 in change construct and solve the equation can be used to find the price of each avocado

Answers

Step 1:
Work out how much is was for 6 avocados
20 - 10.40 = 9.6

Step 2:
Find out how much it is for 1 avocado
9.6 / 6 = $1.6

Step 3:
Construct an equation, where y is how many avocados
1.6y = total price

Answer is : D


Let's start with finding out how much he had to pay. 20-10.40 will give us that answer. That will equal the cost of 6 avocados, giving us an equation of
20 - 10.40 = 6p
Now we'll see which equations match this. Bingo! Answer number D is the same equation with 10.40 added on both sides.

Cameron & Brett are trying to sell upper & lower level tickets to two Diamondbacks game to raise money for their club baseball team. They sold 5 lower level & 9 upper level tickets to the first game for a total of $303. They sold 8 lower level & 10 upper level tickets to the second game for a total of $410. How much money did the people pay for lower level & upper level tickets to go to a Diamondbacks game?

Answers

Answer:

30 Lower level tickets

17 upper level tickets

Step-by-step explanation:

Let:

Lower level tickets = l

Upper level tickets = u

5l + 9u = 303 - - - (1)

8l + 10u = 410 - - - - - (2)

Multiply (1) by 8 and (2) by 5

40l + 72u = 2424 - - - (3)

40l + 50u = 2050 - - - (4)

Subtract (3) from (4)

22u = 374

u = 374 / 22

u = 17

Put u = 17 in (1)

40l + 72(17) = 2424

40l + 1224 = 2424

40l = 2424 - 1224

40l = 1200

l = 1200 / 40

l = 30

30 Lower level tickets

17 upper level tickets

Select the correct answer from each drop-down menu.

Ronald is buying a rectangular chest to store his carpentry tools. The height of the chest, in feet, is represented by the function H(x) = x+6.

The area of the base of the chest, in square feet, is represented by the function A(x)= 20 square root x/ 3. In both functions, x represents the width of the

chest in feet.

To find a function that represents the volume of the chest, Ronald should ? Functions H(x) and A(x)

The function that represents the volume of the chest is V(x) =20x square root x/ 3 + ? square root x


options for ?

add

multiple

divide

subtract

options for ?

40

x^2

3x^2

20

Answers

Answer:

Multiply ; 40

Step-by-step explanation:

Given that :

Height, H of rectangular chest = H(x) = x+6.

Area of rectangular chest, A(x) = 20√x /3

Recall; Volume of chest = Base area * Height

(X + 6) * 20√x /3

(20x√x /3 ) + (20 * 6√x/3)

(20x√x /3 ) + (20 * 2 * 3√x/3)

(20x√x/3) + 40√x

The correct answer for the drop-down menu is that the first blank is multiply and the second blank is 40.

What is the function about?

Based on the fact that we have been given the Height =H of rectangular chest to be:

= H(x) = x+6.

When the Area of rectangular chest:

A(x) = 20√x /3

Note that: Volume of chest = Base area  x Height

Therefore:

(X + 6) * 20√x /3

(20x√x /3 ) + (20 * 6√x/3)

(20x√x /3 ) + (20 * 2 * 3√x/3)

(20x√x/3) + 40√x

Therefore, the correct answer for the drop-down menu is that the first blank is multiply and the second blank is 40.

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Mónica ha comprado un CD el dependiente le dice que ha descontado el 20% de su valor siendo ese descuento de $20 cuánto costaba inicialmente el CD

Answers

Answer:

El CD costaba $100 inicialmente.

Step-by-step explanation:

Dado que la información indica que el porcentaje de descuento es 20% y ese descuento tiene un valor de $20, puedes usar una regla de tres para encontrar el valor que representa el 100% que sería el valor inicial del CD dado que el 20% del valor es igual a $20:

20%  →  20

100% →    x

x=(100*20)/20=100

De acuerdo a esto, la respuesta es que el CD costaba $100 inicialmente.

Evaluate the expression 3·5x when x is 2.

Answers

Answer:

hi

Step-by-step explanation:

if x is equal to 2 then 3×5×2 is 30

have a nice day

bye

The value of the expression 3·5x when x = 2 is 30

How to evaluate the expression?

The expression is given as:

3·5x

Rewrite properly as:

3 * 5x

When x = 2, the expression becomes

3 * 5 * 2

Evaluate

30

Hence, the value of 3·5x when x = 2 is 30

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Which graph represents the function f(x)=-3^x+1+2

Answers

Answer:

You did not provide an image for the graph, but the graph that would represent your function would look like this:

Answer:

it should be letter A

Step-by-step explanation:

Adele earns $12.50 an hour working at a pet store. If she earned $462.50 in a week, write and solve the equation to determine how many hours she worked.

Answers

Hours worked = Total pay / pay per hour

Hours worked = 462.50 / 12.50

Hours worked = 37

Find the error in the equation: please show work:
-3x^2(4x^2-5x+7)=-12x^4-15x^3+21x^2

Answers

Answer:

The middle term is negative but should be positive

Step-by-step explanation:

Let's walk through doing it:

[tex]-3x^2(4x^2 - 5x + 7)\\= -12x^4 + 15x^6 - 21x^2[/tex]

Please I beg you helpppp

Answers

I think complementary, but I’m not sure bc I have an F in math

Triangle ΔGHI with m∠G = 5°, m∠H = 75° and m∠I = 100°, is reflected across the y-axis to obtain ΔKLM. What is the measure, in degrees, of ∠L?

Answers

Answer:

[tex]\angle L = 100^{\circ}[/tex]

Step-by-step explanation:

Given

[tex]\angle G = 5^{\circ}[/tex]

[tex]\angle H = 75^{\circ}[/tex]

[tex]\angle L = 100^{\circ}[/tex]

Required

Determine the measure of L after reflection across x-axis

When a shape is reflected across an axis, only the coordinates of the shapes is affected; the angles remain unaltered.

In other words, the measures of the angle will not change.

Hence:

[tex]\angle L = 100^{\circ}[/tex]

What are the factors in 6x+4

Answers

Answer:

2(3x-2) is the answer

The factors of the expression 6x + 4 will be 2 and (3x + 2).

What is factorization?

It is a method for dividing a polynomial into pieces that will be multiplied together. At this moment, the polynomial's value will be zero.

The definition of simplicity is making something simpler to achieve or grasp while also making it a little less difficult.

The expression is given as,

⇒ 6x + 4

Factorize the expression, then we have

⇒ 6x + 4

⇒ 2(3x + 2)

The factors of the expression 6x + 4 will be 2 and (3x + 2).

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Pleaseeee helppp answer correctly !!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!

Answers

Answer:

45º

Step-by-step explanation:

diagonals bisect the corners of a square

the angle measure of the corners of a square is 90º

since the diagonal bisects the corners: 90÷2 = 45º

An account earns simple interest.

$2000 at 3.5% for 4 years

a. Find the interest earned.

$

b. Find the balance of the account.

Answers

Answer:

2280

Step-by-step explanation:

A negative (-) divided by a negative (-) equals a_______.

Answers

Answer:

Negative number divided by a negative number equals a positive number. The rule never changes.

Have a good rest of your life

A quantity b varies jointly with c and d and inversely with f. When c is 4, d is 9, and f is 6, b is 18. What is the constant of variation?

Answers

Answer:

k = 3

Step-by-step explanation:

Given that b varies jointly with c and d and inversely with f then the equation relating them is

b = [tex]\frac{kcd}{f}[/tex] ← k is the constant of variation

To find k use the condition c = 4, d = 9, f = 6 , b = 18, then

18 = [tex]\frac{k(4)(9)}{6}[/tex] = [tex]\frac{36k}{6}[/tex] = 6k ( divide both sides by 6 )

3 = k

Answer:

C. 3

Step-by-step explanation:

edge 2021


Identify the independent variable and the dependent variable.
The years, y, a tree grows and the rings, r, in the tree trunk
the number of
The independent variable is
The dependent variable is
the number of

Answers

Answer:

independent is r and dependent is y

Step-by-step explanation:

An independent variable is exactly what it sounds like. It is a variable that stands alone and isn't changed by the other variables you are trying to measure.

a tree grows a ring for each year, therefore, to determine a trees age, you need to count the rings. the rings "r" dictate the age or years "y"

slope =-1;y-intercept = 0

Answers

Answer:

the equation is y=1x+0 or just y=1x

Step-by-step explanation:

nkt sure if that's what you wanted or not sorry

Answer:

y = [tex]-1x+0[/tex]

Step-by-step explanation:

y = mx+b

y = [tex]-1x+0[/tex]

find volume for brainlist

Answers

Answer:

D) V = 192 cm³

Step-by-step explanation:

V = [tex]\frac{lwh}{3}[/tex]

V = [tex]\frac{(8)(8)(9)}{3}[/tex] = [tex]\frac{576}{3}[/tex]

V = 192 cm³

7 Eva has 4 m of ribbon for wrapping gifts.

She needsm for each gift.

How many gifts can Eva wrap?

Answers

Answer: 6 gifts.

Step-by-step explanation:

I found the question elsewhere and it states that Eve needs 2/3 m for each gift.

Since Eve has 4 m, the number of gifts she can wrap is the 4 m she has divided by the 2/3 m required for each gift.

= 4 ÷ 2/3

= 4 × 3/2

= 12/2

= 6 gifts.

Note: When dividing by a fraction, you can multiply by it's inverse.

Solve for t: -3=t/-15
t=

Answers

Answer:

45

Step-by-step explanation:

-3=t/-15

t=-3*-15

t=45

Answer:

t=45

Step-by-step explanation:

-3 = t/-15

-3(-15) = t/-15(-15)    (multiply each side by -15 to get t by itself)

45 = t     (Simplify)

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