The table below shows the coordinates of a figure that was transformed. Which is a correct description of the transformation? Question 4 options: Rotation 180° clockwise B. Reflection over the x-axis. Translation 5 units left and 2 units down. Translation 10 units left and 4 units down.

HELP PLEASEEEE

Answers

Answer 1

A correct description of the transformation include the following: D. translation 10 units left and 4 units down.

What is a translation?

In Mathematics, the translation of a geometric figure or graph to the left simply means subtracting a digit from the value on the x-coordinate of the pre-image or function.

On the other hand, the translation a geometric figure or graph downward simply means subtracting a digit from the value on the y-coordinate (y-axis) of the pre-image or function.

By translating the pre-image of triangle ABC vertically down by 4 units and horizontally left by 10 unit, the coordinates of the image of triangle A'B'C' include the following:

(x, y)                               →                  (x - 10, y - 4)

Coordinate A = (5, 2)   →    Coordinate A' (5 - 10, 2 - 4) = (-5, -2)

Coordinate B = (6, 1)   →    Coordinate B' = (6 - 10, 1 - 4) = (-4, -3)

Coordinate C = (4, 5)   →     Coordinate C' = (4 - 10, 5 - 4) = (-6, 1)

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Complete Question:

The table below shows the coordinates of a figure that was transformed.

Pre-Image Image

A(5,2) A'(-5,-2)

B(6,1) B'(-4,-3)

C(4,5) C'(-6, 1)

Which is a correct description of the transformation?

Question 4 options: Rotation 180° clockwise B. Reflection over the x-axis. Translation 5 units left and 2 units down. Translation 10 units left and 4 units down.


Related Questions

What is 4 5 as an equivalent fraction?.

Answers

Equivalent 4/5 is equals to 20/25 in fractions.

In mathematics, equivalent fractions are those with the same denominator but different numerators. For instance, since they both equal 1, 2/4 and 3/6 are comparable fractions. An element of the whole is a fraction. To represent identical components of the total, equivalent fractions are utilized.

The numerator and denominator of each fraction can be multiplied by the same integer to determine the equivalent fraction. Equivalent fractions are those that, despite visible differences, signify the same value. For instance, if you take a piece of cake, divide it into two equal pieces, and then eat one of them, you will have consumed half of the cake.

= 4/5 ( multiply by 5/5)

= 4/5 * 5/5

= 20/25

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Correct Question:

What is 4/5 as an equivalent fraction?.

2. In triangle ABC, the measure of angle A is 40°, and the measure of angle B
is 20°. In triangle DEF, the measure of angle D is 40°, and the measure of
angle F is 120°. Is AABC-ADEF? Explain how you know. Include any
calculations that might help you.

Answers

Triangle ABC and triangle DEF are not congruent.

What does a math congruent mean?

Congruent refers to things that are exactly the same size and shape. Even if we flip, turn, or rotate the forms, the shape and size should remain the same.

The measure of angle A and angle D are both 40 degrees, but the measure of angle B and angle F are not equal. The measure of angle B is 20 degrees, while the measure of angle F is 120 degrees.

In a triangle, the sum of all three angles is 180 degrees. So in triangle ABC, the measure of angle C is 180-40-20 = 120 degrees.

In triangle DEF, the measure of angle E is 180-40-120 = 20 degrees.

Therefore, angle B and angle E are not congruent, so the triangles are not congruent.

In order for two triangles to be congruent, they must have corresponding sides and angles of the same measure. Since the measure of angle B and angle E are not equal, then triangle ABC and triangle DEF are not congruent.

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Two waiter in a returant hare 1/4 of their tip with the hot. On Saturday, One waiter earned $60 on tip, and the other earned $80 in tip. What wa tehir hot' hare?

Answers

The first waiter with $60 tips share $15 dollar to the second waiter and the second waiter with $80 share $20 to the first waiter.

How to find the share?

As per data given is two different earned from tips, there will be two different amount of share from each. For a waiter that earned $60 from tip, the share will be:

First waiter share = tips earned x 1/4

First waiter share = $60 x 1/4

First waiter share = $60 x 0.25

First waiter share = $15

The share of the second waiter that earned $80 from tip will be:

Second waiter share = tips earned x 1/4

Second waiter share = $80 x 1/4

Second waiter share = $80 x 0.25

Second waiter share = $20

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Which rational function has a horizontal asymptote of y=0?

Answers

y = [tex]\dfrac{ x + 8}{x^2 + 3x + 2}[/tex]  is the rational function  that has a horizontal asymptote of y = 0.

What is rational function?

When the denominator of a polynomial has a degree of at least 1, it is said to be a rational function. Or to put it another way, the denominator must contain a variable.

When p(x) and q(x) are polynomials and q(x) ≠ 0, the general form of a rational function is p(x)/q(x).

Asymptotes are lines that the function graph approaches but never crosses. Both the x and y axes are asymptotes in the parent function f(x)=1x. The parent function's graph will approach the asymptotes steadily but never actually touch them.

If the degree of the denominator > degree of the numerator, there is a horizontal asymptote at y = 0.

Here, only y = [tex]\dfrac{ x + 8}{x^2 + 3x + 2}[/tex] has the degree of the denominator > degree of the numerator.  

Thus, y = [tex]\dfrac{ x + 8}{x^2 + 3x + 2}[/tex]  is the rational function  that has a horizontal asymptote of y = 0.

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Jesse has a board that is 4 meters long. He cuts the board into pieces that are 0.8 meters long. Into how many pieces did Jesse cut the board

Answers

Answer:5 pieces

Step-by-step explanation:

4/0.8=5

There are 14 waiters working at a restaurant. One night, the mean tip the waiters received was $115.90. How much total in tips did the waiters collect that night?

Enter your answer as a dollar amount, like this: $42.53

Answers

The total amount of tips that the waiters collected that night is $1,622.60.

To find the total amount of tips, you can multiply the mean tip by the number of waiters.

In this case, the mean tip is $115.90 and there are 14 waiters, so:

$115.90 x 14 = $1,622.60

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Based on the family the graph below belongs to, which equation could represent the graph?
y = 2 Superscript x Baseline 3
y = log (2 x) + 3
y = 2 x squared + 2
y = StartFraction 1 Over 2 x EndFraction + 2

Answers

The equation of the function shown in the provided graph is y = 1

                                                                                                         (x+3)²  

The parent function is f(x) =  1

                                              x²

What is graph?

Graph can be defined as a diagram that represents data or values in an organized manner. The points on the graph often represent the relationship between two or more things

How horizontal shifting of the graph takes place

If a function f(x) is shifted horizontally by k units the parent function f(x) becomes f(x+k) where k>0

Since the graph is shifted towards the negative x-axis by 3 units

So, the parent function f(x) will become f(x+3)

 f(x)=  1

         x²

f (x+3)= 1    

           (x+3)²

So, the equation of the function will be y = 1    

                                                                       (x+3)²  

Therefore, The equation of the function shown in the provided graph is  

y = 1

    (x+3)²                                          

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Is △ ABC ≅ △ DEF explain?.

Answers

Yes, AB ≅ DE, EF ≅ DE, then AB ≅ EF. The property of congruence illustrated in the question is the transitive property.

The transitive property states that if A is congruent to B and B is congruent to C, then A is congruent to C. In other words, if two things are congruent to a third thing, they are also congruent to each other.

In the statement "If AB ≅ DE, EF ≅ DE, then AB ≅ EF," AB is congruent to DE, and EF is congruent to DE, so AB must also be congruent to EF according to the transitive property.

The other properties you listed are not applicable in this case. The symmetric property states that if A is congruent to B, then B is congruent to A. The reflexive property states that every object is congruent to itself. And multiplication is not a property of congruence.

--The given question is incorrect; the correct question is

"Is AB ≅ DE, EF ≅ DE then AB ≅ EF? explain"--

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What is the mirror image of 4 5?.

Answers

The mirror image of (4,5) is (4,-5) or (-4,5)

The term mirror image in math is defined as a reflected duplication that appears identical but in reverse.

Here we need to find the mirror image of (4,5).

As we all know that the rule used here is written as the image of (x, y) in the y-axis is (–x, y).

Then according rule here the given that the mirror image of (4,5) along x axis is written as (4,-5).

Then as per the point lies in fourth quadrant.

Then the another form of the mirror image of ( 4,5) along y axis is written as (-4,5) and then the point lies in second quadrant.

Complete Question:

What is the mirror image of the coordinate (4,5)?

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The data show the number of free throws attempted by a
team in its first ten games.
{2,11,11,11,12,12,13,14,14,15}
The median is 12 attempts and the mean is 11.5
attempts.
After reviewing the data, it is determined that 2 should not
be included, since that was an exhibition game rather
than a regular game during the season.
What is the new mean if '2 attempts' is removed from the
data set?
*****
****
Submit

Answers

The new mean of the data-set, with the observation 2 removed, is given as follows:

12.67 attempts.

How to obtain the mean of a data-set?

The mean of a data-set is obtained as the sum of all observations in the data-set divided by the number of observations.

Removing the observation 2, the data-set is given as follows:

11, 11, 11, 12, 13, 13, 14, 14, 15.

The sum of all these observations is given as follows:

3 x 11 + 12 + 2 x 13 + 2 x 14 + 15 = 114.

There are nine observations, hence the mean of these observations is given as follows:

114/9 = 12.67.

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The net of a solid figure is shown below.

Which calculation will give the total surface area of the solid figure?
06-4-4 square inches
04-6-6 square inches
06-4-4-4 square inches
04-6-6-6 square inches

Answers

The answer here is 04-6-6-6

Why is it called binomial?.

Answers

A binomial is an algebraic expression containing two different terms connected by addition or subtraction.

An algebraic expression containing only two terms is called a binomial expression. This is called a binomial polynomial. Also called the sum or difference of two or more monomials. This is the simplest form of polynomial. Binomials are classified into algebraic expressions based on the number of terms they contain, along with monomials, trinomials, quaternions, etc. In other words, two different monomials of different degrees connected by a plus or minus sign form a binomial. For example, consider two monomials 2x and 5x¹⁰. Adding these monomials gives the binomial given by 2x + 5x¹⁰.

2) For example, 2xy + 7y is binomial because it has two terms.

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The equation m pace equal pace 40 g give the ditance in mile, m, that a car can travel uing g gallon of ga. If the car ha gone 140 mile, how much ga wa ued?

Answers

Gallons of gas used 40 gallons.

The given equation, m = pace / 40g, represents the distance in miles (m) that a car can travel using a certain number of gallons (g) of gas. The variable "pace" represents the miles per gallon (mpg) of the car. To find the number of gallons used, we need to solve for g in the equation.

Here are the key steps:

First, we can rearrange the equation to find the mpg: mpg = pace/g.Next, we can substitute the given information, that the car has gone 140 miles, into the equation: 140 miles = pace/g.To find the number of gallons used, we can divide both sides of the equation by pace: g = 140 miles/pace.The value of pace is not given but we know that m = pace / 40g. So we can use this information to find the value of pace.We can substitute the value of m = 140 miles into m = pace / 40g, to find the value of pace.Now we can substitute the value of pace into the equation g = 140 miles/pace.

Finally, we can solve for g and we get the answer that the car used 40 gallons of gas.

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Drag each tile to the correct box.

Simplify the mathematical expressions and arrange them in order of their values from least to greatest.

(4. 27x108):(9. 2x10-5)

(6. 96X105). (8. 43x10-2)

(7. 25 X 105). (9. 36 x 10-7)

(7. 95 x 10-2). (4. 13 X 10-3)

(8. 32 X 104). (9. 67 X 101)

(7. 56 x 1011). (5. 79 x 10-8)

(1. 89 x 104). (5. 92 x 103)

(2. 74 x 10-2). (4. 67 x 102

Answers

The mathematical expressions in order of their values from least to greatest will be

(8.32 x 10⁴)/(7.56 x 10¹¹) · (9.67 x 10¹)/(5.79 x 10⁻⁸)

(7.25 x 10⁵)/(7.95 x 10⁻²) · (9.36 x 10⁻⁷)/(4.13 x 10⁻³)

(4.27 x 10⁸)·(9.2 x 10⁻⁵)

(6.96 x 10⁵)·(8.43x 10⁻²)

(1.89 x 10⁴)/(2.74 x 10⁻²) · (5.92 x 10³)/(4.67 x 10²)

The following mathematical expressions are written in their scientific notation, a way of expressing numbers that are too large or too small to be conveniently written in decimal form. In scientific notation, a number is represented as a coefficient (a number between 1 and 10) multiplied by a power of 10.

To multiply scientific notation/expressions, you need to:

1. Multiply the numerical coefficients.

2. Add the exponents of the bases (usually "10").

The opposite goes to division, where the numerical coefficients are divided and the exponents are subtracted.


(4.27 x 10⁸)·(9.2 x 10⁻⁵)

39.284 x 10³

3.9284 x 10⁴

(6.96 x 10⁵)·(8.43x 10⁻²)

58.6728 x 10³

5.86728 x 10⁴

(7.25 x 10⁵)/(7.95 x 10⁻²) · (9.36 x 10⁻⁷)/(4.13 x 10⁻³)

(9.12 x 10⁶) · (2.27 x 10⁻⁴)

2.061 x 10³

(8.32 x 10⁴)/(7.56 x 10¹¹) · (9.67 x 10¹)/(5.79 x 10⁻⁸)

(1.10 x 10⁻⁷) · (1.67 x 10⁹)

1.84 x 10²

(1.89 x 10⁴)/(2.74 x 10⁻²) · (5.92 x 10³)/(4.67 x 10²)

(6.90 x 10⁵) · (1.27 x 10¹)

8.86 x 10⁶

Rearranging these values from least to greatest, we have

1.84 x 10², 2.061 x 10³, 3.9284 x 10⁴, 5.86728 x 10⁴, 8.86 x 10⁶

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What is the difference between true solution and colloidal solution Class 9?.

Answers

The main difference between a true solution and a colloidal solution is the particle size of the dispersed substance. In a true solution, the particles are so small that they cannot be seen with the human eye, while in a colloidal solution, the particles are intermediate in size and are visible under microscope.

A true solution is a homogeneous mixture of two or more substances where one substance is completely dissolved in the other. The particles of the dissolved substance, called solute, are so small that they cannot be seen with the human eye and are evenly distributed throughout the solution. A true solution is transparent, and the particles of the dissolved substance do not scatter light, thus not visible under a microscope. Examples of true solutions are sugar dissolved in water, and salt dissolved in water.

On the other hand, a colloidal solution is a type of mixture where one substance is dispersed throughout another substance in small particles that are not large enough to settle out but are large enough to scatter light. The particles of the dispersed substance, called the dispersed phase, are intermediate in size between those of a true solution and a suspension. The particles are visible under microscope, but not to the human eye, and the mixture is usually cloudy or opaque. Examples of colloidal solutions are milk, fog, and blood.

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What is the sum law of limits?.

Answers

The sum law of limits is the total of their limits equals the limit of the sum of functions. It is also referred to as the addition rule of limits and is known as the sum rule of limitations.

A limit in mathematics is the value that a function gets closer to when the input gets closer to a certain value. Calculus and mathematical analysis are not possible without limits, which are also required to determine continuity, derivatives, and integrals.

The limit of the sum of two functions is equal to the total of the limits of two functions, according to the sum law for limits.

[tex]\lim_{x \to \} a (f(x)+g(x))[/tex]

= L + M

Objective of Sum of limits are:

Understand the fundamental limit laws. To determine a function's limit, use the limit laws.By factoring, determine a function's limit.To determine the limit of a polynomial or rational function, use the limit laws.Determine a function's limit by factoring or by applying conjugates.Apply the squeezing theorem to determine a function's limit.

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A forest covers 68,000 acres. A survey finds that 0.2​% of the forest is​ old-growth trees. How many acres of​ old-growth trees are​ there?

Answers

Answer:

136 acres

Solution:

My way of doing this is by putting it in a fraction.

So,

0.2/100 × 68000/1 = x

Do the math and x = 136

solve the system of equations using the substitution method.

x+4y=44
-3x+4y=12

Answers

Answer:

x = 8, y = 9

Step-by-step explanation:

Solve for X:

-3x + 44 - x = 12

-3x - x = 12 - 44

-4x = -32

x = 8

Solve for Y:

-3(8) + 4y = 12

-24 + 4y = 12

4y = 12 + 24

4y = 36

y = 9

How do you find the distance between two places?.

Answers

The distance between two places cab be found using distance formula if you know the coordinates of the places.

The distance formula is a mathematical equation that can be used to find the distance between two points in a two-dimensional or three-dimensional space. The formula is as follows:

Distance = √((x₂ - x₁)² + (y₂ - y₁)² + (z₂ - z₁)²)

Where x₁, y₁, and z₁ are the coordinates of the first point and x₂, y₂, and z₂ are the coordinates of the second point. The formula is based on the Pythagorean theorem, which states that the square of the distance between two points is equal to the sum of the squares of the differences in their coordinates.

For example, if you have the coordinates of two places on a map, you can use the distance formula to calculate the distance between them. Let's say the coordinates of place A are (x₁, y₁) = (4, 5) and the coordinates of place B are (x₂, y₂) = (9, 12). The distance between place A and place B would be:

Distance = √((x₂ - x₁)² + (y₂ - y₁)²)

= √((9 - 4)² + (12 - 5)²)

= √(5² + 7²)

= √(25 + 49)

= √(74)

= 8.6

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Please help I need answers asap please show your work. The 1st 2 pictures are the same questions and the last two pictures are the same questions.

Answers

Answer:

Step-by-step explanation:

1 st Q:  answer is -2 (choice C)

2nd Q:  answer is (8,1)  (choice D)

The solution is where the 2 lines intersect

Rewrite the quadratic function below in Standard Form -7(x+3)(x+2)

Answers

Answer:

-7[tex]x^{2}[/tex] - 35x - 42

Step-by-step explanation:

-7(x+3)(x+2)

(-7x - 21) ( x + 2)

-7[tex]x^{2}[/tex] - 14x - 21x - 42

-7[tex]x^{2}[/tex] - 35x - 42

Answer:

y=-7 - 35x - 42

Step-by-step explanation:

y=-7(x+3)(x+2)

y=(-7x - 21) ( x + 2)

y=-7 - 14x - 21x - 42

y=-7 - 35x - 42

The dimensions of a rectangular prism are x-2 units, x+4 units, and 2x+1 units. What is the surface area of the prism?

Answers

The surface area of the rectangular prism, as a function of x, is given by:

A = 2*( (x - 2)*(x + 4) + (x + 4)*(2x + 1) + (x - 2)*(2x + 1))

What is the surface area of the prism?

For a prism whose dimensions are X, Y, and Z, the surface area is:

A = 2*(X*Y + X*Z + Z*Y)

In this case we know that the dimensions of the rectangular prism are:

X = x - 2

Y  =x + 4

Z = 2x + 1

Replacing that on the surface area equation we will get:

A = 2*( (x - 2)*(x + 4) + (x + 4)*(2x + 1) + (x - 2)*(2x + 1))

That equation gives the surface area as a function of x.

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If the spinner is spun twice, find the probability that it lands on an odd number, then a shaded number.

Answers

The probability that the spinner lands on an odd number and then a shaded number is given as follows:

5/12.

How to obtain the probability?

A probability is obtained as the division of the number of desired outcomes by the number of total outcomes.

The probabilities of each event in this problem is given as follows:

Odd number: 6/12 = 1/2.Shaded number: 10/12 = 5/6.

Hence the probability that the spinner lands on an odd number and then a shaded number is calculated as follows:

p = 1/2 x 5/6 = 5/12.

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will give brainliest and 50 points if u get this right

Answers

The slope of this line is m = 1.

An equation of this line is y = x.

How to calculate the slope of a line?

In Mathematics, the slope of any straight line can be determined by using this mathematical equation;

Slope (m) = (y₂ - y₁)/(x₂ - x₁)

Based on the information provided, we can logically deduce the following data points on the line:

Points on x-axis = (0, 1).Points on y-axis = (0, 1).

Substituting the given data points into the slope formula, we have the following;

Slope (m) = (y₂ - y₁)/(x₂ - x₁)

Slope (m) = (1 - 0)/(1 - 0)

Slope (m) = 1/1

Slope (m) = 1

At data point (1, 1), an equation of this line can be calculated by using the point-slope form as follows:

y - y₁ = m(x - x₁)

Where:

m represents the slope.x and y represents the data points.

y - 1 = 1(x - 1)

y = x - 1 + 1

y = x

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You want to buy a house for 300,000 and pay 20% down. How much is your down payment? Calculate the principal for the home loan after the down payment. The bank tells you the total interest for the loan will be $232200 over 30 years. Calculate the total amount owed to the bank including principal and interest. Calculate the monthly payment for a 30 year mortgage. Calculate the total monthly cost including another 300 per month for taxes and 150 per month for insurance.

Answers

The down payment is $60,000.The principal for the home loan after the down payment is $240,000. The total amount owed to the bank including principal and interest is $462,200.The monthly payment for a 30 year mortgage is $1283.33.The total monthly cost including another 300 per month for taxes and 150 per month for insurance is $1,733.33.Solving for down payment, principal for the home loan after the down payment,  total amount owed to the bank including principal and interest and monthly payment for a 30 year mortgage:

Principal, P = $ 300,000

Rate, R =  20%

Time, T = 30 years

The down payment would be 300,000 x 20% = $60,000.

The principal for the home loan after the down payment would be 300,000 - 60,000 = $240,000.

The total amount owed to the bank including principal and interest would be 240,000 + 232200 = $462200.

To calculate the monthly payment for a 30 year mortgage, you would use the formula:

(principal + interest) / (number of months in 30 years)

which would be ($462200) / (360 months) = $1283.33

To calculate the total monthly cost including another 300 per month for taxes and 150 per month for insurance, you would add the mortgage payment to the additional costs:

1283.33 + 300 + 150 = $1733.33.

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If you have three mangoe if you got 5 extra from father and mother eat 2 from then then how many left

Answers

I have left 6 mangoes after I got 5 extra from father and mother ate 2

What are algebraic operations?

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.

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

Information about the problem:

Have = 3 mangoesGot = 5 mangoesEat = 2 mangoesHave left = ?

Calculating how many mangoes I have after I got 5 from my father:

No. mangoes 1 = Have + got

No. mangoes 1 = 3 mangoes + 5 mangoes

No. mangoes 1 = 8 mangoes

Calculating how many mangoes I have after my mother ate 2 mangoes:

Final No. mangoes = No. mangoes 1  - eat

Final No. mangoes = 8 mangoes - 2 mangoes

Final No. mangoes = 6 mangoes

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you are skiing on a mountain with an altitude of 12 meters. the angle of depression is 21 degrees. about how far do you ski down the mountain

Answers

When you are skiing on a mountain with an altitude 12 meters and angle of depression is 21 degrees then you will ski down for a distance of 31.57 meters.

Solution:

Here we have ,

Height i.e altitude of mountain (h) = 12 meters

Angle of depression (∅) =21°

And let the distance coverd be (b)

Using theorm of trigonometery,

tan∅ = [tex]\frac{height}{base}[/tex]

       = [tex]\frac{12}{b}[/tex]

Therefore,

tan(21°) = [tex]\frac{12}{b}[/tex]

b = [tex]\frac{12}{tan(21)}[/tex]

b = [tex]\frac{12}{0.38}[/tex]

b = 31.57 meters

Hence ,

You will ski down 31.57 meters.

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What are angles 1 and 5 called?.

Answers

Angles 1 and 5 are called corresponding angles.

Corresponding angles refer to angles that occur on the same side of the transversal line. Corresponding angles are equal in size and can both be obtuse or acute. In other words, corresponding angles are any pair of angles which occur on the same side of the parallel lines which are cut by another line. As shown in the given figure, a transversal line intersects two parallel lines which produces eight angles. It contains four pairs of corresponding angles, i.e., 1 and 5, 2 and 6, 3 and 7, and 4, and 8. Corresponding angles are congruent angles. All angles possess the same position in reference to the parallel lines and the transversal are corresponding pairs.

Note: The question is incomplete. The complete question probably is: In the given figure, what are angles 1 and 5 called?

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please answer i need this!! i will give brainliest for the correct answer, and i need an explanation too of why it is the correct answer :)

Answers

The equivalent expressions are

(3x² + 21x + 18) / (x² - 7x - 8)
3 (x + 6) (x + 1) / (x + 1) (x - 8)

Options A and E are the correct answer.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

(3x² + 21x + 18) . x² - 7x - [tex]8)^{-1}[/tex]

This can be written as,

(3x² + 21x + 18) / (x² - 7x - 8) ______(A)

Now,

Solve for (3x² + 21x + 18).

(3x² + 21x + 18)

3 (x² + 7x + 6)

3 (x² + (6 + 1)x + 6)

3 (x² + 6x + x + 6)

3 (x (x + 6) + 1 (x + 6))

3 (x + 6) (x + 1)

Solve for (x² - 7x - 8).

x² - (8 - 1)x - 8

x² - 8x + x - 8

x (x - 8) + 1 (x - 8)

(x + 1) (x - 8)

Now,

(3x² + 21x + 18) / (x² - 7x - 8)

= 3 (x + 6) (x + 1) / (x + 1) (x - 8) _____(B)

Thus,

From (A) and (B),

(3x² + 21x + 18) / (x² - 7x - 8)  and 3 (x + 6) (x + 1) / (x + 1) (x - 8) are the equivalent expressions.

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Mr sparks is an electrician. He has a 50-m roll of cable, correct to the nearest meter. He uses 10m on each job, to the nearest meter

Answers

Answer:

the requisite answer for this question is 10 meter.

Step-by-step explanation:

the analysis for this question's answer is as follows:

since, he has a 50 meter long role of cable, correct to the nearest meter,with him and also he uses 10 meter of that role each time during his job to the nearest meter.

therefore, if he does four jobs then the maximum amount of cable that could be left with him would be;

he took (40-m) to finish the entire work,

this simplifies, 50-(10×4) which is equal to 50-40 which in turn is equal to 10

hence, the solution to the afore-mentioned problem is 10 meters.

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