Determine the angle of rotation

a. -75
b. -45
c. 45
d. 75​

Determine The Angle Of Rotationa. -75b. -45c. 45d. 75

Answers

Answer 1

9514 1404 393

Answer:

  c.  45°

Step-by-step explanation:

The figure is rotated about 45° counterclockwise, so the angle is +45°.

Determine The Angle Of Rotationa. -75b. -45c. 45d. 75
Answer 2

Answer:

\(45\)

Step-by-step explanation:

In this case, we take as reference points A and point A'. The point A' is "right under" point P if we draw a line between them. So we can draw another horizontal line that passes through point P that is perpendicular to the line that we first drew. This would give a pair of reference axis to which we will measure the angle of rotation.

Note first that to map point A to point A', we necessarily need to move the triangle in a counterclockwise manner. This, by definition, means that we are doing a rotation by a positive angle. This discards the first two possible options

Now, using the lines that joins the point P and A as reference. We can see that the angle between this line and the black horizontal line and the angle between this line and the black vertical lines is the same. This means that the line PA is splitting the angle between this two lines in exactly the same measure. Since the angle between the black line is 90°, if x is the measure of the angle between line PA and the vertical black line, we would get that:

\(x + x = 2x = 90\)

So, dividing both sides by 2, we get;

\(x = \frac{90}{2} = 45\)

so,The angle of rotation is 45°

Determine The Angle Of Rotationa. -75b. -45c. 45d. 75

Related Questions

food concession owner in a mall sold 120 beef, vegetable and pork sliders in 7 days. 20% of the sliders sold were beef and 15% were vegetable. How many pork sliders were sold?

Answers

The number of pork sliders sold is given as follows:

24 pork sliders.

How to obtain the number of pork sliders sold?

The number of pork sliders sold is obtained applying the proportions in the context of the problem.

The total number of pork sliders is given as follows:

120 pork sliders.

The percentage of pork sliders sold is given as follows:

20%. (proportion of 0.2).

Hence the amount sold is given as follows:

0.2 x 120 = 24 pork sliders.

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y=3(2-1)2+1
Solución

Answers

Answer:

y = 7

Step-by-step explanation:

y = 3(2-1) 2 + 1

y = 3(1)(2) + 1

y = 6 + 1

y = 7

WHATS THE LENGTH ROUND TO THE NEAREST 10th if NEEDED

WHATS THE LENGTH ROUND TO THE NEAREST 10th if NEEDED

Answers

Answer: 8.6

Step-by-step explanation:

Using pythagorean theorem, c²=a²+b² you can find the distance between AB.

c²=7²+5²

c²=74

√c²=√74

c=8.6

please help it's due tomorrow ​

please help it's due tomorrow

Answers

Answer:

B.  -414,720 x⁷y⁶

Step-by-step explanation:

To find the 4th term of the expansion of (2x - 3y²)¹⁰, we can use the binomial theorem.

The binomial theorem states that for an expression of the form (a + b)ⁿ:

\(\displaystyle (a+b)^n=\binom{n}{0}a^{n-0}b^0+\binom{n}{1}a^{n-1}b^1+...+\binom{n}{r}a^{n-r}b^r+...+\binom{n}{n}a^{n-n}b^n\\\\\\\textsf{where }\displaystyle \rm \binom{n}{r} \: = \:^{n}C_{r} = \frac{n!}{r!(n-r)!}\)

For the expression (2x - 3y²)¹⁰:

a = 2xb = -3y²n = 10

Therefore, each term in the expression can be calculated using:

\(\displaystyle \boxed{\binom{n}{r}(2x)^{10-r}(-3y^2)^r}\quad \textsf{where $r = 0$ is the first term.}\)

The 4th term is when r = 3. Therefore:

\(\begin{aligned}\displaystyle &\;\;\;\;\:\binom{10}{3}(2x)^{10-3}(-3y^2)^3\\\\&=\frac{10!}{3!(10-3)!}(2x)^7(-3y^2)^3\\\\&=\frac{10!}{3!\:7!}\cdot2^7x^7(-3)^3y^6\\\\&=120\cdot 128x^7 \cdot (-27)y^6\\\\&=-414720\:x^7y^6\\\\ \end{aligned}\)

So the 4th term of the given expansion is:

\(\boxed{-414720\:x^7y^6}\)

g(-4) =
anyone know the answer to this

g(-4) = anyone know the answer to this

Answers

g(-4) =1
i hope this helps!

A string of length 3 1/2 m is divided into 5 equal parts. How long is each peice?

Answers

Given data:

The total length of string is l=3 1/2 m.

The total length of the string is,

l=3.5

Divide the given length of string in 5 equal parts.

\(\begin{gathered} n=\frac{3.5}{5}\text{ m} \\ =0.7\text{ m} \end{gathered}\)

Thus, each length of string is 0.7 m.

What is the second derivative of -x^3

Answers

The second derivative of the function is -6x

What is derivative of a function?

Derivative of a function f(x) signifies the rate of change of the function f(x) with respect to x at a point lying in its domain. For a function to be differentiable at any point x = a in its domain, it must be continuous at that particular point but vice-versa is necessarily not always true.

The derivative of a function f(x) is given as; d/dx(fx)

f(x) = -x³

d/dx = 3(-x)³⁻¹

d/dx = -3x²

For the second derivative, we would derivate the function the second time.

d²/dx² = d/dx(-3x²)

d²/dx² = 2 * (-3x)

d²/dx² = -6x

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Robert's book bag is weighing him down. His bag alone weighs 4 pounds. His library book
weighs 2 pounds. The math book is 4 times the weight of the library book, and his science
book is 2 times the weight of the math book. How much does his book bag weigh with all
these books? What is the heaviest book in his book bag?

Answers

The weight of Robert's bag alone is 4 pounds.

The library book weighs 2 pounds.

The math book is 4 times the weight of the library book, so it weighs 4 * 2 = 8 pounds.

The science book is 2 times the weight of the math book, so it weighs 2 * 8 = 16 pounds.

To find the total weight of Robert's book bag, we add the weights of all the books and the bag:

4 pounds (bag) + 2 pounds (library book) + 8 pounds (math book) + 16 pounds (science book) = 30 pounds.

Therefore, Robert's book bag weighs 30 pounds with all these books.

To determine the heaviest book in his book bag, we compare the weights of the books:

The bag weighs 4 pounds.
The library book weighs 2 pounds.
The math book weighs 8 pounds.
The science book weighs 16 pounds.
From these options, the science book is the heaviest, weighing 16 pounds.

Answer:

1) 30 pounds is the weight of the bag all together

2) science book is the heaviest book

Step-by-step explanation:

bag=4 pounds

library book=2 pounds

maths book=2×4=8 pounds

science book=8×2=16 pounds

4+2+8+16=30 pounds all together

heaviest book= science book (16 pounds)

3 Jack walk from Santa Clara to Polo Allo. Il took I hour 25 min to walk from Santa Clot to Los Altos. Than it took 25 minute of wal from los altos to Palo buto. He arrived in Palo alto at 2:45 P.M. of what time die Santa Clara ? he leave Santa clara​

Answers

The time Jack left Santa Clara is 1 : 55 pm

What is word problem?

A word problem in math is a math question written as one sentence or more. These statements are interpreted into mathematical equation or expression.

The time for Jack to walk to lose Altos is 25 min and he uses another 25mins to work to Palo alto.

Therefore, the total time he spent is

25mins + 25 mins = 50 mins

He arrived Palo at 2 :45 pm, therefore the time he left Santa Clare will be ;

2:45 pm = 14 :45

= 14:45 - 50mins

= 13:55

= 1 : 55pm

Therefore he left at 1:55 pm

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1. One morning, Roshan and Varun were talking to each other face to face at a crossing. If Varun's shadow was exactly to the left of Roshan, which direction was Roshan facing? ​

Answers

Hello

Answer: Roshan was facing forward and to the right
Answer: The correct answer would be the East direction. ... Now, as Varun's shadow fell to the left of Roshan, then Roshan might have been facing East.

Which of the following is a solution of 12x-7> 67

Answers

Answer:

6.2 (Approximated).

Step-by-step explanation:

12x-7 > 67

Add 7 to both sides.

12x > 74

Divide 12 from both sides.

12/12x > 74/12

Final answer

x > 6.2 (approximately)

In a pre algebra class containing 43 students, there are 4 freshman, 35 sophomores, and 4 juniors. what fraction of the class are sophomores

Answers

The fraction of the class that is sophomores is \(35/43\).

The fraction of the class that is sophomores, divide the number of sophomores by the total number of students in the class.

Number of sophomores = 35

Total number of students = 43

Fraction of sophomores = (Number of sophomores)/(Total number of students Fraction of sophomores)

Fraction of sophomores  \(= 35 / 43\)

Therefore, the fraction of the class that are sophomores is = \(35/43\).

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What is the solution to the equation 3\4 z = 15 ?z = 3 3\4z = 5z = 20z = 60

Answers

Answer:

z = 20

Explanation:

The given equation is

\(\frac{3}{4}z=15\)

To solve the equation, we first need to multiply both sides by 4

\(\begin{gathered} 4\cdot\frac{3}{4}z=4\cdot15 \\ \\ 3z=60 \end{gathered}\)

Then, divide both sides by 3

\(\begin{gathered} \frac{3z}{3}=\frac{60}{3} \\ \\ z=20 \end{gathered}\)

Therefore, the solution is z = 20

Slope intercept form of equation

Slope intercept form of equation

Answers

Answer:

slope= 5/3      y-intercept=3

Step-by-step explanation: Equation=   y=5/3x+3

Hope this helps

btw can i have brainliest?

Write the given statement using symbols type any Quetion do not simplify The sum of X and eight is the product of seven and 10

Answers

Answer:

\(x+8=7*10\)

Step-by-step explanation:

Sum of X and 8: \(x+8\)

Product of seven and 10: \(7*10\)

Put them together:

\(x+8=7*10\)

What is the area of the triangle?

What is the area of the triangle?

Answers

Answer:

16

Step-by-step explanation

Rotate the triangle so 8 is the base

1/2bh

1/2*8*4

16

Answer:

the answer is 16

may it help you

Decide which of the two given prices is the better deal and explain why. You can fill a 12 gallon tank of gas for $42.47 or buy gas for $3.60/gallon.

Answers

Answer:  Decide which of the two given prices is the better deal and explain why. You can fill a 12 gallon tank of gas for $42.47 or buy gas for $3.60/gal

I need the co-ordinates to answer this can anyone give them to me? If not it's fine! :)

I need the co-ordinates to answer this can anyone give them to me? If not it's fine! :)

Answers

Hi there!

Answer:

Find points for the equation y = 2x + 1 by plugging in x values:

For example, when x = 1, substitute in the value of 'x' into the equation:

y = 2(1) + 1

y = 2 + 1

Solve for the y-value:

y = 3

Repeat this process for multiple points:

X                               Y

-2                              -3

-1                                -1

0                                 1

1                                  3

2                                  5

To get the graph of y = 2x + 1, simply graph these points. :)

How many times can 1/5 go into nine

Answers

Answer:

1.8

Step-by-step explanation:

question in the picture below​

question in the picture below

Answers

The doubling time after 4 and 7 years is 400 months and 700 months respectively

How to determine the doubling time

The formula for finding doubling time is given as;

Doubling time = \(t \frac{In 2}{In 1 + \frac{r}{100} }\)

Where t = time = 4 and 7 years

r = rate

For 4 years, we have

Doubling time = \(4 * \frac{In 2}{In ( 1 + \frac{0.7}{100}) }\)

⇒ \(4 * \frac{In 2}{In 1. 0074}\)

⇒ \(4 * \frac{0. 6931}{0. 0074}\)

⇒ \(4\) × \(93. 66\)

⇒ 374. 65

⇒ 400 months in the nearest hundredth

For 7 years

⇒ \(7\) × \(93. 66\)

⇒ \(655. 62\)

⇒ 700 months in the nearest hundredth

Thus, the doubling time after 4 and 7 years is 400 months and 700 months respectively

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Nia's dinner at O'Charley's costs $26.30 plus a tip of 17% . What is the total cost of the dinner?

Answers

Answer:

30.771

Step-by-step explanation:

17/100×26.30=4.471

therefore, add 4.471 to 26.30

26.30+4.471=30.771

Find the union of the sets (22, 33, 44, 55) and (66, 44, 22}
Application of Finite Mathematics

Answers

The union of the sets is { 22, 33, 44, 55, 66 }

What is the union of sets?

The union of sets can be defined as the sum of the elements of two or more sets without repetition of those elements.

It is also known as the combination of the all the elements of two or more sets.

It is denoted using the symbol , ' ∪ '

Given the sets;

(22, 33, 44, 55)(66, 44, 22}

The union of the sets is:

{ 22, 33, 44, 55, 66 }

Thus, the union of the sets is { 22, 33, 44, 55, 66 }

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if a unicorn flies 213 miles on Monday. on Tuesday 281.344 meters on Wednesday. band 448.987 yards on Thursday. Which day did the unicorn fly the farthest?​

Answers

Answer:

Thrusday

Step-by-step explanation:

9y - 2 < 13 and 3y - > -29

Answers

Hence , the shading of the linear inequalities 9y - 2 < 13 and 3y - > -29 is given below.

An difference compares 2 values, showing if one is a smaller amount than, larger than, or just not adequate another worth.a ≠ b says that a isn't adequate ba < b says that a is a smaller amount than ba > b says that a is larger than bIn math, a graph may be outlined as a picturing or a diagram that represents knowledge or values in AN organized manner.

The graph of the equation 9y - 2 < 13  equation (1) is represented by green colour and graph of the equation  3y - > -29  equation (2) is represented by yellow colour .

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The complete question is given below :

Shade the graph of 9y - 2 < 13 and 3y - > -29 .

9y - 2 &lt; 13 and 3y - &gt; -29

The temperature in a hotel is 21 °C.
The temperature in the hotel is 26,7°C warmer than at the top of the mountain.
The temperature at the top of the mountain is 3.2°C colder than at the bottom of the mountain.
Work out the temperature at the bottom of the mountain.

Answers

The temperature at the bottom of the mountain is 50.9 °C.

Let's work through the given information step by step to find the temperature at the bottom of the mountain.

The temperature in the hotel is 21 °C.

The temperature in the hotel is 26.7 °C warmer than at the top of the mountain.

Let's denote the temperature at the top of the mountain as T_top.

So, the temperature in the hotel can be expressed as T_top + 26.7 °C.

The temperature at the top of the mountain is 3.2 °C colder than at the bottom of the mountain.

Let's denote the temperature at the bottom of the mountain as T_bottom.

So, the temperature at the top of the mountain can be expressed as T_bottom - 3.2 °C.

Now, let's combine the information we have:

T_top + 26.7 °C = T_bottom - 3.2 °C

To find the temperature at the bottom of the mountain (T_bottom), we need to isolate it on one side of the equation. Let's do the calculations:

T_bottom = T_top + 26.7 °C + 3.2 °C

T_bottom = T_top + 29.9 °C

Since we know that the temperature in the hotel is 21 °C, we can substitute T_top with 21 °C:

T_bottom = 21 °C + 29.9 °C

T_bottom = 50.9 °C

Therefore, the temperature at the bottom of the mountain is 50.9 °C.

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Describe the domain and range.
1. r(x) = | |x|

Answers

Domain of r(x) = |x| is ( −∞, ∞ ) , { x | x ∈ R }

Range of r(x) = |x| is [ 0 , ∞ ) , { y | y ≥ 0 }

The domain of a function is defined as the set of values that we are allowed to enter into the function. This set is a bunch of x values in a function such as r(x).

The domain of the given function r(x) is all real numbers except where this expression, r(x) = |x| is undefined. In this question, there is no real number that makes this expression undefined.

The interval is denoted as ( −∞ , ∞ ).

The set builder is denoted as { x | x ∈ R }.

The range of a function is defined as the set of values that the function can assume. This set is a bunch of the values that the function shoots out after we enter a x value in. The range is a set of all valid y values. We have to use the graph to find the range.

The interval is denoted as [ 0 , ∞ )

The set builder is denoted as { y | y ≥ 0 }

Therefore, we get the domain and range as,

Domain of r(x) = |x| is ( −∞, ∞ ) , { x | x ∈ R }

Range of r(x) = |x| is [ 0 , ∞ ) , { y | y ≥ 0 }

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Describe the domain and range.1. r(x) = | |x|

What is the equation of this line?

y=−14x
y=−4x
y=14x
y = 4x

What is the equation of this line? y=14x y=4x y=14x y = 4x

Answers

Answer:

-4x

Step-by-step explanation:

y is kind of like part of negative.

y=4x (kind of not really possible)

so add a negative sign.

which equals to -4x.

plus, the gragh shown below is a hint.

A line passes through the point (2,8) and has a slope of -5/2
Write an equation in slope intercept form for this line

Answers

Y=-5/2+13

Graphing it out is probably the easiest way to learn
Here’s the explanation:

y=Mx +b

They gave us the slope (m) and a point.

Once you plug the point and solve you will find b.

8=-5/2(2)+b
b=8+5
b=13.

y= -5/2x+13

Graphing it will kill your time...

what is 1/5 x 5 1/3? help please

Answers

Answer:

1  1/15

Step-by-step explanation:

(I think)

And I am not a very good explainer

(sorry)

what is the simplified form of (2-^6)(5)(2^3x5)^2​

Answers

Answer:

\(( {2}^{ - 6} )(5)( {2}^{3} \times 5) {}^{2} \\ \\ = 2 {}^{( - 6 + (3 \times 2))} \times {5}^{(1 + 2)} \\ \\ = {2}^{0} \times {5}^{3} \\ \\ = 1 \times {5}^{3} \\ \\ = {5}^{3} \)

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