Un granjero coloco una cerca al rededor de su parcela. La parcela mide 10 m de cada lado ya que es un cuadrado. Si puso los postes cada 3/4 de metro ¿cuantos postres coloco?

Answers

Answer 1

Greetings from Brasil...

The total length will be: 10+10+10+10 = 40

and

(3/4)m = 0.75m

Then, Rule of 3:

QTD             m

  1     ------    3/4

  X     ------   40

X = 53.333

Soon 53 posts will be needed

Un Granjero Coloco Una Cerca Al Rededor De Su Parcela. La Parcela Mide 10 M De Cada Lado Ya Que Es Un

Related Questions

The temperature today was 82° last year on this day the temperature was 71 what was the change in temperature

Answers

The change in the temperature is 11°.

What is temperature ?

Temperature is the physical quantity which describes, how much hot is something? Or we can say it is the quantity which measures the hotness and coldness of something. There are two main quantity values to measure the temperature which are Celsius and Fahrenheit.

Mathematically we can write :

1° Celsius = 32 Fahrenheit

How to find temperature change ?

Suppose if we have temperature of two difference time space then we can easily find the difference between the two by simply subtracting them.

For the given question,

last year temperature = 82 degree

temperature today = 71 degree

therefore the change in the temperature in one year is :

82 - 71 = 11 degree.

Thus , the change in temperature is 11 degree.

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Can anyone help with solving this?

Answers

Answer:

A=l×b

A=20×14

A=280

tan(90)=14/aq

aq×tan(90)=14/aq×as

aqtan(90)=14

aqtan(90)/tan(90)=14/tan(90)

aq=0.16

One of the five quadratics below has a repeated root. (The other four have distinct roots.) What is the repeated root?

Answers

The quadratic equation with a repeated root is:

8*x^2 - 32*x  +32

And the repeated root is x = 2

What is the repeated root?

For a quadratic equation:

0 = a*x^2 + b*x + c

We define the discriminant as:

D = b^2 - 4ac

If D = 0, we have only one real root (or two repeated roots). Then we just need to see which of the given quadratic equations has a discriminant of zero.

1) -x^2 + 18x + 81

The discriminant is:

D = 18^2 - 4*(-1)*81 = 648

2) 3x^2 - 6x + 9

The discriminant is:

D = (-6)^2 - 4*3*9 = -72

3) 8*x^2 - 32*x  +32

The discriminant is:

D = (-32)^2 - 4*8*32 = 0

So this is the one with a discriminant of zero.

The roots are given by:

8*x^2 - 32*x  +32 = 0

Using Bhaskara's formula we will get:

x = (- (-32) ± √( (-32)^2 - 4*8*32))/(2*8)

x = (32/16) = 2

The repeated root is x = 2

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what is the equation?

Answers

Answer: y = mx + c

Hope this helps

4 1/7 times - 2 1/8 what is the answer

Answers

Answer: -8 45/56

Step-by-step explanation:

Evaluate 4+2(x+6)^2 for x=-3

Answers

= (-54)

Step-by-step explanation:

ATQ

4+2(x+6)^2

6(x^2+12x+216)=0 [ {a+b}^2 = a^2+2ab+b^2 ]

6x^2 +72x+216=0

Put the value of x=(-3)

So ,

6x^2 +72x+36=0

6(-3)^2+72(-3)+216=0

6×(-9)+72×(-3)+216=0

(-54)+(-216)+216=0

= -54

Hence, the solution is -54 at x=(-3).

Thank You

i really need help with this someone pls help

Answers

Answer: D=(8,10) Y=(-2,6) N=(2,-6) U=(-8,-5) G=(8,-11) O=(4,-5)

Step-by-step explanation:

On the coordinate plane, left or down means decreasing in value and right or up means increasing in value.

if you take a point and it's at (1,2) and translate it 3 to the left and 4 upwards, your new point would be (-2,6). This is because you subtracted(cause you were going left) 3 from 1 (cause it's your x value), and added(cause you were going up) 4 to 2 (cause it's your y value.)

Daniel works at least 30 hours a week. He works as a math tutor and as a teacher. The number of hours Daniel works as a tutor (y) is at most twice the number he works as a teacher (x). •Write a set of inequalities that represents the constraints of the situation and state a point (x,y) that is the feasible region.

Answers

The set of inequalities that represents the constraints of the situation is y ≤ 2x, x + y ≥ 30 and a point (x, y) that is the feasible region is (10, 20)

How to write the set of inequalities that represents the constraints of the situation and state a point (x, y) that is the feasible region.

The given parameters are:

Number of hours = at least 30 hours a week

This means that

x + y ≥ 30

Also, we have:

The number of hours Daniel works as a tutor (y) is at most twice the number he works as a teacher (x).

This means that

y ≤ 2x

Substitute y ≤ 2x in x + y ≥ 30

x + 2x ≥ 30

This gives

3x ≥ 30

Divide

x ≥ 10

Substitute x ≥ 10 in y ≤ 2x

y ≤ 2 x 10

Evaluate

y ≤ 20

Hence, the set of inequalities that represents the constraints of the situation is y ≤ 2x, x + y ≥ 30 and a point (x, y) that is the feasible region is (10, 20)

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a tank contains 2840 l of pure water. solution that contains 0.01 kg of sugar per liter enters the tank at the rate 4 l/min, and is thoroughly mixed into it. the new solution drains out of the tank at the same rate. (a) how much sugar is in the tank at the begining? y(0)

Answers

By using differential equations' concept, we get that there is no sugar in the beginning.

What is a differential equation?

A differential equation is an equation that connects the derivatives of one or more unknown functions.

Given:

Pure water = 2840 litres

sugar = 0.01kg per liter

Rate of sugar entering the tank = 4liter/min

New solution drains out at the rate = 4 litre/min

To find: sugar in the beginning.

Finding:

(a) In the beginning, the tank contains only pure water and no solution of water with sugar.

Hence, the sugar is null for t = 0.

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(-2,-13), (-8,0)
A) 6/13
B) 13/6
C) -6/13
D) -13/6

Answers

Answer:

D

Step-by-step explanation:

It looks line you are asking for the slope.  The slope is the change in y over the change in x

Ordered pairs are writing in the from (x,y)  The first number is the x value and the second number is the y value.

[tex]\frac{0 - (-13)}{-8 - (-2)}[/tex]  I am subtracting the y's on the top and the x's on the bottom.

[tex]\frac{0 + 13}{-8 + 2}[/tex]  Subtracting a negative is the same as adding a positive.

[tex]\frac{13}{-6}[/tex]   The fraction is negative, so the negative sign can go on the top or the bottom.

D is the right answer

1. true or false?
2.true or false?
3.true or false?
4.true or false?

(don’t mind the circled answers)

Answers

Answer:

1. true

2. false

3. false

4. true

Step-by-step explanation:

Determine whether the equation below has a one solutions, no solutions, or an infinite number of solutions. Afterwards, determine two values of
x
x that support your conclusion.


−5x=35

Answers

-5x=35
x=35/-5
x=-7

Therefore the equation has only one solution

Sascha sells 80 printed placemats and earns a profit of $12. She plans to sell 500 placemats at the fair. How much profit will she earn if she sells 500 placemats?

Answers

Answer:

75

Step-by-step explanation:

Each placemat is .15 cents

500 x .15

The company you work for requires you to use your own car while traveling to work. They will pay you $25 a day plus an additional $0.35 per mile. Let the distance driven be x miles and let the total cost for using your car for one day be y dollars. Which of the equations below represents how much your company would need to pay you for driving your own car?
A. y=0.35x+25
B. y=35x+25
C. y=25x+0.35
D. y=25x+35
E. y=25x+0.35x

Answers

Answer: Equation A represents how much your company would need to pay you for driving your own car.

Explanation: There are several keywords:

• “per mile”
• “a day”

In slope intercept form, the phrase “per mile” represents slope or rate of proportionality. This is shown in the equation where:

• The company will pay $25 a day
• The company will pay $0.35 per mile

Given this information, let’s set an equation up with our slope representing $0.35 per mile:

y = 0.35x + 25

25 shows the y-intercept because the company initially pays $25 a day for every day you drive your own car.

Final answer: Option A.) “y = 0.35x + 25” represents how much your company would need to pay you for driving your own car.

1.which expression is equivalent to x² 10x 24?(x 1)(x 24)(x 4)(x 6)(x 2)(x 12)(x 3)(x 8)

Answers

x2 − 10x − 24 x 2 - 10 x - 24 this expression is equivalent to x² 10x 24 (x 1)(x 24) (x 4)(x 6)(x 2)(x 12)(x 3)(x 8).

What are algebraic expressions?

A logarithmic articulation is a numerical expression that incorporates factors, constants, coefficients, and mathematical tasks. To increase two logarithmic articulations, we duplicate each term of the main articulation with each term of the subsequent articulation and join every one of the items. In a mathematical articulation, a term might comprise of a steady, one variable, a result of at least two factors, a result of both the variable and consistent part. Moreover, the mathematical terms can be both positive and negative. There are significantly three sorts of mathematical articulations.

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Hey can u pls answer my Chemistry questions asap

CHECK MY QUESTIONS I POSTED

Answers

Answer:

it is which of the following is a reactant

Step-by-step explanation:

PLEASE HELP I'LL GIVE BRAINLIEST
Which relationship has a zero slope? A two column table with five rows. The first column, x, has the entries, negative 3, negative 1, 1, 3. The second column, y, has the entries, 2, 2, 2, 2. A two column table with five rows. The first column, x, has the entries, negative 3, negative 1, 1, 3. The second column, y, has the entries, 3, 1, negative 1, negative 3. A coordinate plane with a straight line starting at (negative 5, negative 5) and passing through the origin, and ending at (5, 5) A coordinate plane with a straight line starting iat (negative 2, 5) and passing the x-axis at (negative 2, 0), and ending at (negative 2, 5).

Answers

Answer: the first table with all 2s as its y values

Step-by-step explanation: the first table shows that no matter what the x value is, the graph is staying still at y=2. Its rise/run is 0 since it is not rising at all.

Answer:

The first column of the first chart due to the repetition of the numbers! hope this helps!

quadrilateral \(abcd\) has vertices \(a(1,0)\), \(b(5,0)\), \(c(7,2)\), and \(d(3,2)\). use slope to prove that \(abcd\) is a parallelogram. show all of your work.

Answers

Since, the sides ab || dc, ad || bc, and ad || bc . hence, the given quadrilateral abc is a prallelogram.

According to the given question.

We have the vertices of a quadrilateral abcd such that a(1, 0), b(5, 0), c(7, 2) and d(3, 2).

As we know that, a parallelogram is a two-dimensional geometrical shape, whose sides are parallel to each other. It is a type of polygon having four sides (also called quadrilateral), where the pair of parallel sides are equal in length.

Since, we have to prove that the given quadrilateral is a parallelogram by using slope. From the definition of the parallelogram we can say that, the opposite sides of the parallelogram are parallel to each other.

Now,

slope of side ab = 0-0/(5 -1) = 0

slope of side dc = 2 -2/(3-7) = 0

slope of the side ad = 2 -0/(3 -1) = 1

slope of the side bc =  2 -0/(7 -5) = 1

Here, the slopes of the opposite sides ab and dc, and ad and bc are equals and we know that when the slope of two line are equals then the lines are parallel to each other.

Therefore,  the sides ab || dc, ad || bc, and ad || bc . hence, the given quadrilateral abc is a prallelogram.

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For a moving object, the force acting on the object varies directly with the object's acceleration. When a force of 42 N acts on a certain object, the acceleration of the object is 7 m/s^2. If the acceleration of the object becomes 2 m/s^2, what is the force?

Answers

The force on the object will be 12 N.

We have a moving object.

We have to determine the force on object when the acceleration of the object becomes 2 m/s².

What is the need of Force in real Life? How is it calculated ?

Force is necessary to bring around a change in the state of the body. Either from rest to motion or motion to rest. It can be calculated using the formula-

Force (F) = mass (m) x acceleration (a)

According to the question -

When a force of 42 N acts on the object, then using the formula of force -

F = m x a

42 = m x 7

m(Object) = 6 Kg

When the acceleration of the object becomes 2 m/s², then -

F = m(object) x a

F = 6 x 2 = 12 N

Hence, the force on the object will be 12 N.

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The use of electricity in the US in 1902 was 6. 03 x 10^9 kilowatt-hours.

The use of electricity in the US in 1950 was 4. 3 x 10^11 kilowatt-hours.

What was the total kilowatt-hours of electricity used during these two years?

O a

Ob

Oc

Od

(6. 03 x 10^9) + (4. 3 x 10^11)= 10. 33 x 10^20 = 1. 033 x 10^19

(6. 03 x 10^9)+(4. 3 x 10^11) = (0. 0603 x 10^11) + (4. 3 x 10^11)=4. 3603 x 10^11

(6. 03 x 10^9) x (4. 3 x 10^11) = 25. 929 x 10^20= 2. 6 x 10^19

(6. 03 x 10^9) x (4. 3 x 10^11) = 25. 929 x 10^2=2. 6 x 10^1

Answers

The total kilowatt-hours of electricity used during these two years is (6.03 x 10^9)+(4.3 x 10^11) = (0.0603 x 10^11) + (4.3 x 10^11) = 4.3603 x 10^11 using arithmetic operations.

What is addition and multiplication?

Addition is the sum of two or more numbers or values to get a new number. The addition symbol is the plus sign (+).

Multiplication is the repeated addition of a number. If we multiply m by n, that means m is repeatedly added to itself for n times. The symbol for multiplication is ‘×’.

Given that the use of electricity in the US in 1902 was 6. 03 x 10^9 kilowatt-hours and in 1950, it was 4. 3 x 10^11 kilowatt-hours.

To find the total kilowatt-hours of electricity used during these two years, we must add the kilowatt-hours of electricity used in 1902 and 1950.

6. 03 x 10^9 kilowatt-hours can also be written as 0.0603 x 10^11 kilowatt-hours.

This implies, (6.03 x 10^9) + (4.3 x 10^11) = (0.0603 x 10^11) + (4.3 x 10^11)

= (0.0603+4)10^11

= 4.3603 x 10^11 kilowatt-hours

Therefore, the total kilowatt-hours of electricity used during these two years is 4.3603 x 10^11.

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can someone help pls
1/4 (x - 8) = 7

Answers

Answer: x = 36

Step-by-step explanation:

Solve for x by simplifying both sides of the equation, then isolating the variable.

x = 36

Step-by-step explanation:

1/4 (x-8) =7

times both sides by 4

x-8=28

add 8 to both sides

x=36

Ali and habib play a computer game to score points ali scores 43,901 points habib scores 5,089 points the winner is the first player to get 40,000 points more than the other player a. estimate the difference between their scores b.is the estimate enough to find the winner

Answers

Based on the points obtained from Ali and Habib in the game we can say that:

a. The difference between their scores is: 38.812

b. The estimate is not enough to find the winner

To solve this problem we must perform the following algebraic operations with the given information

Information about the problem:

Ali's points = 43,901Habib's points = 5,089Difference between their scores =?

To calculate the difference between their scores we must perform the following subtraction:

Difference between their scores = Al's points - Habib's points

Difference between their scores = 43.901 - 5.089

Difference between their scores =38.812

Due to the difference between their scores is less than 40,000 points, it is not yet possible to define a winner.

What are algebraic operations?

We can say that they are the set of numbers and symbols that are related by the different mathematical operation signs such as addition, subtraction, multiplication, division among others.

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The cost of 20 cans of dog food at Store B is $18.40?





Calculate the price for 11 cans of dog food.

Answers

The cost of 11 cans of dog food will be equal to $10.12.

What is unitary method ?

The unitary method is a method in which , you first determine the value of a single unit before determining the value of the required quantity of units.

It is given that the cost of 20 cans of dog food at store B is $18.40.

We need to find cost of 1 can of dog food and that can be calculated by dividing the cost of cans of dog food by total no. of cans.

i.e.,

Cost of 1 can of dog food = $ 18.40 ÷ 20

So ,

The cost of 1 can of dog food will be :

= $0.92

Now , the cost of 11 cans of dog of food will be calculated by multiplying cost of 1 can of food to 11 cans of dog food which will be :

= 11 × $ 0.92

= $10.12

Therefore , the cost of 11 cans of dog food will be equal to $10.12 .

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convert 3.7, which is drawn from a population with a mean of 2.8 and a standard deviation of 1.3, to a standard normal variable.

Answers

The standard normal variable for 3.7 is 0.67.

we are advised that the quantity is to be converted to a widespread everyday variable.The range (x) is 3.7.A facts set's suggest (average) is calculated by way of summing all the numbers in the set and then dividing through the range of values inside the set.imply (µ) is two.8.The rectangular root of the variance of a random variable, sample, statistical populace, data series, or possibility distribution is its general deviationthe usual deviation (σ) is 1.three.A typically disbursed random variable with a median (µ) of zero and a widespread deviation (σ) of 1 is referred to as a trendy ordinary random variable. The letter Z will continually be used to symbolize it.permit the usual regular variable be "z".z = (x-µ)/σz = (3.7-2.8)/1.3x = 0.9/1.3x = 0.69

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f(x) = 4/5x - 2
Find f(3)

Answers

Answer:

[tex]f(3) = \frac{2}{5} [/tex]

Step-by-step explanation:

f(x) = 4/5x - 2

f(3)=4/5(3)−2

f(3)=4/5(3)−2

f(3)=12/5+−2

f(3)=(12/5+−2)(Combine Like Terms)

f(3)=2/5

he temperature t, in degrees f, of a cold yam placed in a hot oven is given by , where t is the time in minutes since the yam was put in the oven.

Answers

a) Positive b)   Degree per minute    c) Interpretation of f'(20)=2

So as we have we are given in the question: T = f(t)

where T is the temperature in degrees Fahrenheit of a cold yam placed in a hot oven and t is the time in minutes since the yam was put in the oven .f'(t) will represent the rate of change in temperature.

f'(t) will represent the change in temperature of yam when 1 minute has passed since it was kept in oven.

Since the temperature will always increase in oven, f'(t) will have a positive sign. units of f'(20)Since, f'(t) represent the rate of change in temperature. the unit will be degrees Fahrenheit per minute .f'(20)=2f'(20) will tell the change in temperature when 20 minutes have passed after the yam has been kept in oven .Thus, the given statement means that 20 minutes after the yam was kept for  in the oven, the temperature of yam was increasing by 2 degree Fahrenheit per minute.

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Write an equation of the line that is parallel to y = 16 and passes through point (-7, 43).

Answers

The required equation of the line is y = 43 which is parallel to line y = 16 and passes through the point at (-7, 43).

What is the slope of the line?

The slope of the line is defined as the angle of the line. It is denoted by m

Slope m = (y₂ - y₁)/(x₂ -x₁ )

Consider two points on a line—Point 1 and Point 2. Point 1 has coordinates (x₁,y₁) and Point 2 has coordinates (x₂, y₂)

First, we have to determine the slope of the line y = 16 by placing it into a slope-intercept form:

y = 16

Therefore, the slope of the line is m = 0

Since the required line passes through the point at (-7, 43).

Let the line  (y - y₁) = m(x -x₁  )

Here x₁ = -7, y₁ = 43

Substitute the values in the equation,

So, y - (43) = 0(x-(-7))

⇒ y - 43  = 0

⇒ y  = 43

Hence, the required equation of the line is y = 43 which is parallel to line y = 16 and passes through the point at (-7, 43).

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Given f(x) = 5x? + 2 and g(x) = 8 - 3x, find the following.
12. Find g[f(-2)].
11. Find flg(x)).

Answers

Value of the given function f(x) = 5x +2 , g(x) = 8 -3x for the following condition:

a. g(f(-2)) =32

b. f(g(x)) =42 -15x

As given in the question,

Given function:

f(x) = 5x + 2

g(x) = 8 - 3x

Value of the function for the following condition:

a. g(f(-2))

f(x) = 5x + 2

⇒f(-2) = 5(-2) + 2

⇒f(-2) = -8

g(f(-2))= g(-8)

         = 8 - 3(-8)

         = 32

b. f(g(x)) = f(8-3x)

             = 5(8 -3x) + 2

             =42 -15x

Therefore, value of the given function f(x) = 5x +2 , g(x) = 8 -3x for the following condition:

a. g(f(-2)) =32

b. f(g(x)) =42 -15x

The complete question is :

Given function  f(x) = 5x + 2 and g(x) = 8 - 3x, find the following value.

a. Find g[f(-2)].

b. Find f(g(x)).

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What is the square root of 23 to the nearest integer?

Answers

Answer:

5

Step-by-step explanation:

If you put this in a calculator it comes back with 4.79583... decimals forever.  Rounding to the nearest integer gives 5.

Answer:

5

Step-by-step explanation:

√23 : 4.795831523 whose nearest integer is 5 .

Hence, the nearest number is 5.

Find each sum or difference. Write the result in standard form.

(2.7m^2 - 3.1n) - (4n^2 + 5.1m)

Answers

The difference of the algebraic expression is 2. 7m² - 4n² - 8. 2m

How to determine the difference

To represent the difference in standard form is leave in the power or exponent of a variable or number.

Given the expression

(2.7m^2 - 3.1n) - (4n^2 + 5.1m)

First, expand the brackets

2. 7m² - 3.1 m - 4n² - 5. 1m

Then, collect like terms

2. 7m² - 4n² - 3.1m - 5. 1m

Subtract like terms, we have

2. 7m² - 4n² - 8. 2m

The difference of the algebraic expression gives 2. 7m² - 4n² - 8. 2m

Thus, the difference of the algebraic expression is 2. 7m² - 4n² - 8. 2m

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Kevin hiked Bright Angel Trail that gains as miles of elevation up the mountain. Kevin then hikes downBright Angel Trail to where he started his hike. Which best describes the total gain in elevation for the entirehike? treatment approaches make use of the principles of learning, such as reinforcement and extinction, and assume that normal and abnormal behaviors are both learned. Two strands of dna within the double helix are said to be complementary to each other because on one strand always pairs with thymine on the opposite strand, and cytosine on one strand always pairs with on the opposite strand. True or false?. When the market price of a good increases, the amount that sellers are willing to offer for sale increases. Polynomial[tex](3x + 2) {}^{7} \times (x - 1) {}^{7} [/tex]is written in standard form. What is the coefficient with x in that form? An airplane acceleration is 3m/s^2. The minimum take-off speed is 102 m/s. The minimum runway length is ____ meter. What is it that must be broken before it is used? What is the difference between the vassal states of the Shang Dynasty and the vassal states of Xizhou? A toy store is having a sale. A video game system has an original price of $99. If it is on sale for 40% off the original price. Find the sale price of the game system. Round to the nearest CENT. special educators design to keep a potential or minor problem from becoming a disability. Which statement best explains why the compound H2O is not toxic to drink, but H202 is toxic to drink? Can someone help me please, anyone?!!! The Appalachian mountains are: a The grand border of the United States b Where I live, duh c A place where nothing happens d The place where they signed the Declaration of Independence I need help asap!!!!! a sailboat moves faster as the wind pick up this is an example Of? which of these is an example of a macroeconomic topic? please choose the correct answer from the following choices, and then select the submit answer button. answer choices decreased demand for typewriters causes the average income of typewriter repairmen to fall. increased demand for engineers causes the salaries of engineers to rise. during a recession, glenn works fewer hours and subsequently spends less on eating out. increased economic growth causes the average income of workers to rise. arises when a businessperson takes advantage of a situation for his or her own personal interest rather than for the employer's interest. Do you agree more with Sigmund Freud's or Carl Jung's theory of personality development? Why? the downstream effects of teacher well-being programs: improvements in teachers' stress, cognition and well-being benefit their students pdf Injuries/Symptoms/Treatment (Chapter 4)-20 points1. Chronic injuries-2. Types of chronic injuries3. Golf and tennis elbow-4. Shin splints-5. Acute injuries-6. Soft tissue injury-7. Hard tissue injury-8. Open injury-9. Closed injury-10. Cuts-11. Abrasions-12. Blisters-13. Chafing-14. Bruise-15. Strain-16. Sprain-17. Dislocation-18. Bone fracture-19.R.L.C.E.-20. Unconsciousness-21. Concussion-22. Dehydration-23. Hypothermia-24. which of the following is NOT true about secondary sources?A. They are usually easy for resesrchers to find and use.B. They can explain the information found in primary sources.C. They are more accurate than primary sources.D. They usually provide the advantage of being written by experts and can help you with your understanding of a topic.