Si los lados de un cuadrado miden 3 cm cuántos centímetros cuadrados medirá su área.

Answer:

90 degrees

Step-by-step explanation:

The question asks for the temp after an hour and a half. This is the same as 90 minutes. With this, you plug 90 in for t.

This is what it looks like:

T(t)=69e^-0.0174(90) + 76

Then you solve for T(t)

T(t)=69e^-1.566 +76

T(t)=69(0.2088) +76

T(t)=14.41265 +76

T(t)=90.41265

Then round to 90 degrees

The measure of the exterior angle x of the polygon is x = 105°  .

In the question ,

it is given that ,

in the figure, the measure of external angles are 75° , 90° , 90° and x .

we know that By Polygon Exterior Angle Sum Theorem states that the sum of measure of all exterior angle of a polygon is 360° ,

So , 75° + 90° + 90° + x = 360°

75° + 180° + x = 360°

255° + x = 360°

Subtracting 255 from both the sides , we get

x = 360° - 255°

x = 105°

Therefore , The measure of the exterior angle x of the polygon is x = 105°  .

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The equivalent expression for the expression given; (( 5/7 )² × (1/3)-³)-¹ is; (7/5)² • (1/3)³.

It follows from the task content that the expression which is equivalent to that which is given is to be determined.

Hence, since the given expression is; (( 5/7 )² × (1/3)-³)-¹;

It follows from the power of powers law of indices that we have;

( 5/7 )-² • (1/3)³

Also, according to the negative exponent law of indices; we have;

(7/5)² • (1/3)³.

On this note, the required equivalent expression is; (7/5)² • (1/3)³.

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The value of Indices 10x^2y÷ 5xy is 2x^(2y-1)×y^-1

An index is a small number that tells us how many times a term has been multiplied by itself. The plural of index is indices. Below is an example of a term written in index form: 4^3. 4 is the base and 3 is the index.

10x^2y = 10x^2(y)

dividing 5xy with 10x^2y

the coefficient 5 will divide 10 to give 2

therefore the value is

2x^2y÷ xy

using law of INDICIES

the value will be 2x^(2y-1)×y^-1

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According to the given triangle, ΔBCE ≅ ΔCBD is proved.

Triangle:

The three-sided polygon that consists of three edges and three vertices is know  as triangle.

Given,

Here we have the triangle and we need to prove the ΔBCE ≅ ΔCBD.

Let us consider ABC be the triangle with sides BC, AC, AB add the opposite angles A, B, C being in length equal to a, b, c respectively.

Here they draw a perpendiculars AD, BE and CF from A, B, C to opposite sides meeting sides BC, AC and AB at D, E, F respectively.

So, here we take the ΔCBD and ΔBCE,

Then the

∠D = ∠E = 90°

So, the Side BC = Side BC and the Side BD = Side CE.

From this relation, and based one the concept of RHS Congruence Criterion

We have identify that, the Corresponding Angle Congruence Test

∠DCB = ∠EBC

Therefore, the  ΔBCE ≅ ΔCBD is proved

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Three Expression equivalent to 12x + 8 are,

                  4 ( 3x+2 ) ,  12 (x + 2/3) ,    8 (2x/3 + 1)      

Equivalent expressions:

                                        Equivalent expressions are expressions that work the same even though they look different.

                                                                                    If two or more algebraic expressions are equivalent, then all expressions will give the same value if we put different value of variable.

Here,

         given expression is "  12x + 8 "

               we have to write three equivalent expression to 12x + 8

a.

       If we take 4 common we will get,

                      12x + 8 = 4 ( 3x+2 )

    so,

       one of the expression equivalent to 12x + 8  is 4 ( 3x+2 )

b.

     If we take 12 common then,

                   12x + 8 = 12 (x + 8/12)

                                = 12 (x + 2/3)

      one of the expression equivalent to 12x + 8  is 12 (x + 2/3)

c.

  If we take 8 common then,

                   12x + 8 = 8 ( 12x/8 + 1)

                                = 8 (2x/3 + 1)

    one of the expression equivalent to 12x + 8  is 8 (2x/3 + 1)

Hence,

           Three Expression equivalent to 12x + 8 are,

                   4 ( 3x+2 ) ,  12 (x + 2/3) ,    8 (2x/3 + 1)    

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No, because although two probabilities should be multiplied, it should not be these two probabilities. This is because the two events are likely not independent .

What is Probability ?

Probability is the study of likeliness of an event to happen. The range of probability is 0 to 1.

Now, According to the question:

It is given that

In a certain city, 60% of the heads of household own the house in which they reside,

and 80% of the heads of the household have full-time employment.

percentage of heads of household both own their home and have a full-time job =?

As the probability of a person having both their own home and having

full time employment are not independent.

Hence, No, because although two probabilities should be multiplied, it should not be these two probabilities. This is because the two events are likely not independent.

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135.53 centimeters the height of a patient in cm if he weighs 68kg and has a BSA of 1.6m².

Given that,

Some medical professionals determine a patient's medicine dosage based on the patient's body surface area (BSA). The BSA calculation method that is most frequently employed is BSA = [tex]\sqrt{\frac{wh}{3600} }[/tex].

where BSA is expressed in square meters, w is the patient's weight (in kg), h is their height (in cm),

We have to determine the height of a patient in centimeter if he weighs 68kg and has a BSA of 1.6m².

1.6= [tex]\sqrt{\frac{wh}{3600} }[/tex]

1.6= [tex]\sqrt{\frac{68h}{3600} }[/tex]

Squaring on both sides.

1.6²= 68h/3600

2.56 × 3600 =68h

9216 = 68h

h= 9216/68

h = 135.53.

Therefore, 135.53 meters the height of a patient in cm if he weighs 68kg and has a BSA of 1.6m².

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Answer:

18

Step-by-step explanation:

to make the 11 denominator turn into 22 they had to multiply by 2

So we multiply the numerator by 2 too

9x2=18

Hopes this helps please mark brainliest

Answer:

If you would like to solve the equation 9/11 = x/22, you can calculate this using the following steps:

Steps to find ?

9/11 = x/22    /*22

x = 9/11 * 22

x = 18

The correct answer should be 18 through my calculations

The time that it take to knit the scarf from start to finish is 10 hours.

From the information, the volunteer knits a 5-foot long scarf at a constant rate and after 4 hours, the volunteer still has to knit 3 feet of the scarf.

Therefore, the volunteer used 4 hours to knit 2 scarf. The time used per scarf is 4/2 = 2 hours.

In this case, the time taken to finish the scarf will be:

= Time per feet × Total feet

= 2 × 5

= 10 hours.

It'll take 10 hours.

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Answer:

  150 miles

Step-by-step explanation:

Jina wants to know the number of miles driven that would make the cost of two rental plans the same. One costs $0.15 per mile plus $49.98; the other costs $0.19 per mile plus $43.98.

The difference in cost between the to plans for m miles driven is zero when ...

  (0.15m +49.98) -(0.19m +43.98) = 0

  -0.04m +6.00 = 0 . . . . . . . . simplify

  m -150 = 0 . . . . . . . . . . . . divide by -0.04

  m = 150 . . . . . . . . . . . . . add 150

Jina would need to drive 150 miles for the two plans to cost the same.

Answer:

$2,700

Step-by-step explanation:

15% of $18,000 = 0.15 × $18,000 = $2,700

If they have 50 plants growing in the garden. The number of vegetable plants they have is :20.

Using this formula to find the number of vegetable plants

Number of vegetable plants = Percentage of vegetable plants  × Number of plants in the garden

Let plug in the formula

Number of vegetable plants = 40% × 50

Number of vegetable plants = 20

Therefore the number of vegetable plants is 20.

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The results of the division between the two functions are listed below:

a) (h / g) (- 1) = - 1 / 15

b) x = 7 / 8 is not in the domain of (h / g) (x).

Herein we have two functions h(x) and g(x), the former is a quadratic equation and the latter is a linear equation and the division between the two functions is described below:

(h / g) (x) = h(x) / g(x), for all x such that g(x) ≠ 0

If we know that h(x) = 2 · x² - 3 and g(x) = - 8 · x + 7, then the division between the two functions is:

(h / g) (x) = (2 · x² - 3) / (- 8 · x + 7)

Now we evaluate the function at x = - 1:

(h / g) (- 1) = [2 · (- 1)² - 3] / [- 8 · (- 1) + 7]

(h / g) (- 1) = (- 1) / 15

(h / g) (- 1) = - 1 / 15

To determine the value of x such that does not belong to g(x), we need to solve the following expression:

g(x) = 0

- 8 · x + 7 = 0

8 · x = 7

x = 7 / 8

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Answer:

below

Step-by-step explanation:

x = (3+x) / y      divide both sides by x and multiply by y

y = (3+x) / x

y = 3/x  + 1        

y - 1 = 3/x

x = 3 / ( y-1)

The function which is representative of the transformation of the parent function f(x) = log4x by reflecting it over the x-axis, stretching it vertically by a factor of two, and shifting it up five units is g(x) = -2log4(x) + 5. Option C is correct.

The reflection over the x-axis is given by the transformation:

f₁(x) = - f(x)

Therefore, the first step we get is:

f₁(x) = - log(4x)

Stretching by a factor n along the y-axis is given by the transformation:

f₂(x) = n · f₁(x)

Therefore, we will get:

f₂(x) = -2 · log(4x)

Shifting a function up of a quantity n is given by:

f₃(x) = f₂(x) + n

Therefore, we will get:

f₃(x) = -2 · log(4x) + 5

So,

g(x) = -2 log4(x) + 5

Thus, the function which is representative of the transformation of the parent function f(x) = log4x by reflecting it over the x-axis, stretching it vertically by a factor of two, and shifting it up five units is g(x) = -2log4(x) + 5. Option C is correct.

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Answer:

-14

Step-by-step explanation:

Hello!

You can evaluate the value of z + 3x by substituting the given values of z and x into the equation.

The evaluated value is -14.

Answer:

-14

Step-by-step explanation:

4+3(-6)

4-18

-14

Answer:

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

Step-by-step explanation:

y=Mx+b is slope intercept form

M- slope

b- y intercept

We know b because when x is zero y is -6 so that is the y intercept

b=-6

Now to fin the slope we use y2-y1/x2-x1

0-(-3)/4-2

3/2

m=3/2

So we just put it all into the equation to get

y=3/2x-6

Hopes this helps

Answer:  i'm writeing this so you can mark the other person brainliest

Step-by-step explanation:

You travel from the United States to Spain if and only if you have a passport. When both sides of a biconditional statement have the same truth value, the statement is said to be true.

What does a biconditional mean?

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You travel from the United States to Spain if and only if you have a passport. When both sides of a biconditional statement have the same truth value, the statement is said to be true.

When both sides of a biconditional statement have the same truth value, the statement is said to be true. A double-headed arrow indicates the biconditional operator. If both the initial conditional assertion and the opposite statement are true, a statement is said to be biconditional.

"An A is guaranteed if you receive a perfect score on the final." ... Last but not least, it is a widely recognized principle that the conditional and biconditional operators have. A statement is logically true if it cannot logically be wrong. If a sentence can be expressed in the form "P if and only if Q," it is a biconditional assertion.    

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The mean height of the team  rounded  to 1 decimal place is 200.0.

The height of this new player is 206.

What is mean Average?

The mean average, of a data set is the sum of all  the numbers divided by the total number of values.

Formular for calculating mean Average:

Mean Average = {Sum of all the values} ÷ {Total numbers of values}

From the question the height of the  players are as follows:

(height) 198,199,200,201,202)

a) Mean Average =(198 +199 +200 +201 +202)

                                             5

                          =1000

                                5

                           =200.0

b) The new player joins the  team to make the Mean Average 201. hence the height of the new player will be calculated using:

Mean Average = {Sum of all the values} ÷ {Total numbers of values}

201 =(198 +199 +200 +201 +202 + x )

                                             6

201  = 1000+ x

               6

crossmultiply to solve for X:

201 *6 =1000+ x

1,206 = 1000+ x

making x subject of the formular we have:

x = 1,206 - 1000

x = 206

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Answer:

$124.80

Step-by-step explanation:

$58.23 + $66.57 = $124.80

The system of equations does not have any solutions since the values on both sides of the final expression are different and the lines will not cross.

A system of equations, usually referred to as an equation system, is a collection of finite equations for which common solutions are sought.

Given the system of equations below;

x + 2y = 4............ 1

3x + 6y = 18 ........... 2

From equation 1:

x = 4 - 2y .........3

Substitute equation 3 into 2 to have:

3(4 - 2y) + 6y = 18

3(4) - 3(2y) + 6y = 18

12 - 6y + 6y = 18

12= 18

Since the values on both sides of the resulting expression is different, hence the given system of equation has NO solutions showing the lines  will not cross on the graph.

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An equation that models the relationship between the amount of time taken by Rick's bus ride and Matt's bus ride is M = t/3 + 3, which is shown in the graph attached below.

In order to write this equation, we would assign variables to the amount of time taken by Matt's bus ride and Rick's bus ride to school respectively, and then translate the word problem into algebraic equation as follows:

Next, we would translate the word problem into an algebraic equation as follows;

Matt's bus ride Time = 3 minutes more than 1/4 the time of Rick's bus ride

M = (1/4 × t) + 3

M = t/3 + 3

Based on the graph shown in the image attached below that models the relationship between the amount of time taken by Rick's bus ride and Matt's bus ride, we can reasonably and logically deduce that the y-intercept is equal to 3 and the slope of the graph is equal to 1/4.

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The domain choice that is a possibility is A. A. Real numbers greater than 0.

A continuous function in mathematics is one in which a continuous variation of the argument causes a continuous variation of the function's value. This means that there are no abrupt changes in value, which are referred to as discontinuities.

Option A: Real numbers greater than zero:

Because real numbers are continuous functions, the greater than zero part of them can be used to represent the balance sheet.

Option B: Use only whole numbers: It is not possible.

Whole numbers are discrete, not continuous, and thus cannot represent decimal points.

Option C: Integers: Invalid

Because integers are discrete rather than continuous, they cannot represent decimal points.

Natural numbers are not an option.

Natural numbers, like whole numbers, are discrete rather than continuous and cannot represent decimal points.

In conclusion, the correct option is A.

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Answer:

1 and 3

Step-by-step explanation:

where the dots on the graph are, you can read that in 5 minutes, 3 pages are edited. in 10 minutes, 6 pages.
so statement 1 is correct.
when every 10 minutes 6 pages are edited, divide both by 10 to get what is edited per minute. -> 6/10 pages are edited per minute.

Answer:

[tex]x=\frac{(y-h)^{2} }{g^{2} }[/tex]

Step-by-step explanation:

       [tex]y=g\sqrt{x} +h\\\\[/tex]

[tex]-g\sqrt{x} =h-y[/tex]

    [tex]\sqrt{x} = -\frac{h-y}{g}[/tex]

    [tex]\sqrt{x} =\frac{y-h}{g}[/tex]

   ∴ [tex]x=\frac{(y-h)^{2} }{g^{2} }[/tex]

Answer: Y+5= 2/9(X+2)

Answer: (x + 2) = 2/9 (y + 5)

Step-by-step explanation:

y – y₁ = m(x – x₁)

Answer:

in the picture

Step-by-step explanation:

hope it helped

Answer: He should shade 3 and leave 4 unshaded.

Step-by-step explanation:

The answer is [tex]a^{-3}=\frac{1}{x^{3} }[/tex]

Exponent

An exponent is a number that has a power. In numbers with exponents, there are several rules. This rule is used to calculate the exponents operation.

The rules are, including:

[tex]a^{m}a^{n}=a^{m+n} \\\frac{a^{m} }{a^{n} }=a^{m-n}\\( a^{m}) ^{n}=a^{mn}\\ (ab)^{m}= a^{m}b^{m} \\\frac{a}{b} ^{m}=\frac{a^{m} }{b^{m} } \\a^{-m}=\frac{1}{a^{m} }\\ \sqrt[n]{a^{m} } =a^{\frac{m}{n} }[/tex]

From the properties rules, the rules that can be used in the problem are

[tex]a^{-m}=\frac{1}{a^{m} }[/tex]

From the properties above, it can be concluded that negative exponents mean one per number to that power. Do not reverse with the cube root, where the cube root the one per is the power, not the base number.

If the question is asked [tex]a^{-3}[/tex]

then it can be directly substituted in the rule above.

With that rule, let's find the number that equivalent with [tex]4^{-3}[/tex].

[tex]a^{-3}=\frac{1}{x^{3} }[/tex]

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