A triangle has angles measuring 45°, 55°, and 80°. It is dilated by a scale factor of 2. What are the angle measures, in order from least to greatest, of the dilated image?

Answers

Answer 1

The angle measures, in order from least to greatest, of the dilated image  45°,55° and 80°.

A dilation is a function f from a metric space M into itself that satisfies the identity d=rd for all points x, y \in M, where d is the distance from x to y and r is some positive real number. In Euclidean space, such a dilation is a similarity of the space.

Euclidean space, In geometry, a two- or three-dimensional space in which the axioms and postulates of Euclidean geometry apply; also, a space in any finite number of dimensions, in which points are designated by coordinates (one for each dimension) and the distance between two points is given by a distance formula.

Dilations preserve angle measures, regardless of the scale factor. Therefore, the angle measures of the image will be the same of that of the pre-image, so our answer is still 45 °, 55 °, and 80 °.

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Answer 2

Answer:45,55,80

Step-by-step explanation:  dilations preserve angles measures regardless of the scale factor. Therefore the angle measures of the image will be the same of that of the pre-image ,so our answer is still 4545,5555,8080 .


Related Questions

i need this done help i need all the work shown

Answers

The answer would be 22 because I added them all
rectangle: 8*4=32
square: 3^2=9
triangle:3*5=15 15/2=7.5

32+9+7.5=48.5

Modeling real life the average distance from earth to the sun is 92.95 million miles. the actual distance varies from the average by up to 1.55 million miles. write and solve an absolute value equation to find the minimum and maximum distance from earth to the sun.

Answers

The minimum and maximum distance from the earth to the sun are 91.4 and 94.5 million miles respectively.

What is absolute value?

Absolute values are the value of any digit without considering the sign.

So all negative values will be considered positive for absolute value.

For example, the absolute value of -2 will be 2 and the absolute value of -7 will be 7.

Given that,

The average distance from the earth to the sun is 92.95 million miles.

Actual is varies by 1.55 million miles.

Minimum value  = | 92.95 - 1.55 | = 91.4 million mile

Maximum value =  | 92.95 +1.55 | = 94.5 million mile

Hence "The minimum and maximum distance from the earth to the sun are 91.4 and 94.5 million miles respectively".

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find the sum or standard form of 10⁰+9⁰+7⁰+5⁰+3⁰+1¹⁰⁰​

Answers

Answer:

6

Step-by-step explanation:

10⁰=1

9⁰=1

7⁰=1

5⁰=1

3⁰=1

1¹⁰⁰=1

so,

10⁰+9⁰+7⁰+5⁰+3⁰+1¹⁰⁰=1+1+1+1+1+1=6

Answer:

6

Step-by-step explanation:

We are working with exponents

Any number to the power of 0 is 1

a^0 = 1

1 to a power is 1

10⁰+9⁰+7⁰+5⁰+3⁰+1¹⁰⁰​

1 + 1 + 1 + 1 + 1 + 1

6

The number has 2 digits the number has 13 as a factor the sum of the digits is 11

Answers

Answer:

65

Step-by-step explanation:

- 2 digits ✅

- Has 13 as a factor ✅

- Sum of digits is 11 ✅

What is the value of 5k² - 6 when k = 9?
O 84
O 375
O 399
O 2019

Answers

Answer:

2019

Step-by-step explanation:

The measure of two supplementary angles, ls and lt, are in the ratio of 7:3. find the value of mls.

Answers

The value of measure of ls is 126 degrees.

It is given in the question that the measure of two supplementary angles, ls and lt, are in the ratio of 7:3.

We have to find the value of measure of ls.

Let the measure of two supplementary angles ls and lt be 7x and 3x respectively.

We know that, the sum of measure of  two supplementary angles is 180 degrees.

Hence, according to the data given in the question, we can write,

7x + 3x = 180 degrees

10x = 180

x = 180/10

x = 18 degrees

Hence,

mls = 7x = 7*18 = 126 degrees.

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To hire an accountant to prepare taxes costs a flat fee and an additional hourly rate. The amount the accountant costs can be modeled by the function A(x) = 140 + 25x, where x represents the number of hours the accountant works to prepare the taxes and 140 represents the flat fee. What is the value of A(215) and its interpretation?

A(215) = 3; If the accountant takes 215 hours to prepare the taxes, the cost will be $2.
A(215) = 3; If the account takes 3 hours to prepare the taxes, the cost will be $215.
A(215) = 5515; If the accountant takes 215 hours to prepare the taxes, the cost will be $5,515.
A(215) = 5515; If the accountant takes 5,515 hours to prepare the taxes, the cost will be $215.

Answers

The value of A(215) and its interpretation are captured thus:

A(215) = 5515; If the accountant takes 215 hours to prepare the taxes, the cost will be $5,515

What does the function represents?

The function given as A(x) = 140 + 25x, represents the total cost of using the services of the accountants for tax computation and preparation, bearing in mind that the 140 means $140 which is the fixed charged irrespective of the number of hours it takes to prepare the tax returns whereas the 25x means that $25 is charged as variable fee for  every hour the accountant works on the tax computation

A(x) = 140 + 25x

In this case, A(215) means that 215 hours were made use of by the accountants, hence, to determine the total fees, we simply substitute for x

A(215) = 140+(25*215)

A(215) = 140+5375

A(215)=$5,515

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Help!!!

6 divided by 2(1+2)

Answers

Answer:

9

Step-by-step explanation:

6 / 2(1+2)

6 / 2 (3)

6 / 2 * 3

3 * 3

9

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What is the perimeter of the triangle

Answers

The perimeter of the triangle is 40 units

Perimeter of a triangle

From the question, we are to determine the perimeter of the given triangle

From the given diagram, we can observe that the triangle is a right triangle

The vertical length of the triangle is 15 units

and the horizontal length of the triangle is 8 units

Thus,

We can find the hypotenuse by using the Pythagorean theorem

Let the hypotenuse be h

Then,

h² = 15² + 8²

h² = 225 + 64

h² = 289

h = √289

h = 17 units

Now, for the perimeter of the triangle

The perimeter of a triangle is the sum of all its three sides

Thus,

The perimeter. P, of the triangle is

P = 15 + 8 + 17

P = 40 units

Hence, the perimeter of the triangle is 40 units

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Translate the sentence into an equation.
Four times the sum of a number and 3 is 2.
Use the variable w for the unknown number.

Answers

Four time the sun of a number and 3 is two I’m in an equation is 4(x+3)=2
4(w+3)=2

this will be the equation

Evan wants to leave an 18% tip for the server at a restaurant. Which expression does not show how to calculate the tip if b is the total bill?

Answers

Answer:

(b*.18)

Step-by-step explanation:

In terms of tips, 18% of $1.00 is $0.18. So for every dollar in the total (b) we can assume that it is going to be 18% of the overall total. 18% is 18/100 or .18, so we know the tip will be .18 of b (b*.18).

Answer:

7 major of system units defination and function

C) ((0, 1), (2, 1), (0,3)}
Function?
Explain:

Answers

Answer:

No.

Step-by-step explanation:

The function would be a discrete function if the individual points in the function didn't share the same x-coordinates. Both the points (0,1) and (0,3) share the same x-coordinate, x=0, so the function doesn't pass the vertical line test.

Please help.
The diagram is placed on a coordinate plane in Quadrant 1, with the origin (0,0) at the intersection of North Street and Wilson Street.

Answers

Using linear function concepts, it is found that:

a) They intersect at (0,20).

b) They intersect at (14,0).

c) They intersect at (0,3).

d) The equation is: y = -10/7x + 20.

What is a linear function?

A linear function is modeled by:

y = mx + b

In which:

m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

The intersections are the points where they cross, hence:

North and Main: (0,20).Wilson and Main: (14,0).North and New: (0,3).

Main Street goes through points (0,20) and (14,0), hence the intercept is of b = 20 and the slope is found as follows:

(0 - 20)/(14 - 0) = -10/7.

Hence the equation is:

y = -10/7x + 20.

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Ms. Jordan bought a box of 32 granola bars. Every day each of her three children ate one granola bar for lunch. Now there are only 11 bars left. Which equation can be used to find the number of days, n, that the children ate the bars for lunch? 32 = -11 32 = 3n - 11 32 = +11 O 32 3n+ 11​

Answers

The calculation for calculating the number of days the youngsters ate the bars for lunch is 11 = 32 - 3x.

What exactly does it mean to "solve an equation"?

An equation is a mathematical expression that represents the equivalence of two or more mathematical expressions.

When someone asks you to solve an equation, they typically want to determine the unknown values for which the equation is true (the equality between expressions should hold true for those values).

An equation's solutions are the values of the variables involved in the equation for which the equation holds true.

Given that Ms Jordan purchases a box of 32 granola bars every day, each of her three children consumes one granola bar for lunch, there are only 11 bars remaining.

The algorithm for calculating the number of days the youngsters ate the bars for lunch;

11 = 32 - 3x

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∠A and \angle B∠B are complementary angles. If m\angle A=(x-19)^{\circ}∠A=(x−19) ∘ and m\angle B=(3x+1)^{\circ}∠B=(3x+1) ∘ , then find the measure of \angle B∠B.

Answers

Answer:

∠ B = 82°

Step-by-step explanation:

complementary angles sum to 90° , then

∠ A + ∠ B = 90 , that is

x - 19 + 3x + 1 = 90

4x - 18 = 90 ( add 18 to both sides )

4x = 108 ( divide both sides by 4 )

x = 27

Then

∠ B = 3x + 1 = 3(27) + 1 = 81 + 1 = 82°

what is the estimate of 3,182x5

Answers

Step-by-step explanation:

15,910 like what said of calculator

3/15 in simplist form

Answers

Answer: 1/5

Step-by-step explanation: 3/15 divided by 3= 1/5

The answer is 1/5.

First, You have to figure out if there are any numbers that go into both the numerator and denominator evenly.

This number, in this problem, would be three.

This is because 3/3=1 and 15/3=5.

Given that it asks for a fraction in the simplest form, we of course have order those numbers as numerator and denominator.

The three is the numerator, or, above the fifteen, or the denominator.

This must mean that the one is the numerator.

Because the 1 is the numerator, that must mean the 5 is the denominator, which brings us to the answer.... 1/5

If f(x) = 2x + 1 and h(x) = 3x - 5, find f(h(2)).

Answers

Answer:

f(h(2)) = 3.

Step-by-step explanation:

Replace the x in f(x) by h(2).

h(2) = 3(2) - 5

       = 1,

so, f(h2) = 2(1) + 1

             =   3.

which of the following is equivalent to 5x-x+3x=30​

Answers

In linear equation , 7x=30   is equivalent to 5x-x+3x=30​.

What in mathematics is a linear equation?

A linear equation is an algebraic equation of the form y=mx+b, where m is the slope and b is the y-intercept, and only a constant and a first-order (linear) term are included. The variables in the preceding equation are y and x, and it is occasionally referred to as a "linear equation of two variables."A linear equation with one variable is one that contains just one variable. It has the formula Ax + B = 0, with A and B being any two real numbers and x being an ambiguous variable with only one possible value. One such linear equation in one variable is 9x + 78 = 18.

5x -x + 3x =30,  first you combine like terms 5x + 3x-x=30

8x-x =30

7x=30

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Add using the number line.
7+(-10)
Drag and drop the word SUM to the correct value on the number line.
-18 -16 -14 -12 -10 -8 -6 -4 -2 0 2 4 6 8 10 12 14 16 18
SUM

Answers

7+(-1) = -3

Steps of adding 7+(-10) using number line are as following:

1) Draw a number line by ranging from -10 to +10.

2) Point out 7 on the number line.

3) Because -10 is added to 7 on the number line, please move 10 numbers left to 7 on the number line. We always go left in addition of a negative number on the number line.

4) The number we reach -3 on left side would be our final sum.

5) From the number we can clearly see that moving 10 number on left to 7, we get -3.

Note: We are moving left because of negative sign in front of 10.

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-3x+29=17 would it be 3 , 4 5 6 7 8 9

Answers

Answer:

x=4

Step-by-step explanation:

[tex]-3x+29-29=17-29 < - Subtract[/tex]
[tex]-3x=-12[/tex]
[tex]\frac{-3x}{-3}=\frac{-12}{-3} < - Divide[/tex]
[tex]x=4[/tex]


A point that is Interior to an Angle is found on the Exterior of the Angle
Select the correct response:
True
False

Answers

True

the sum of interior angles is equal to exterior

A point that is Interior to an Angle is found on the Exterior of the Angle

The statement is false

How do we explain?

A point that is interior to an angle is located within the angle, not on the exterior. The interior of an angle refers to the region enclosed by the angle's sides.

A point that is interior to an angle is located within the angle, not on the exterior. When we refer to the interior of an angle, we are referring to the space enclosed by the angle's sides and vertex.

In geometric terms, an angle consists of two rays that share a common endpoint called the vertex. The interior of the angle is the region between these two rays while on the other hand, the exterior of an angle refers to the space outside the angle, beyond its sides.

In conclusion, a point that is interior to an angle is found within the angle itself, not on the exterior.

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The sequence below shows the number of raffle tickets that Samantha sold each day during a month.

3,7,11,15…

Which one explicit formula models the number of tickets Samantha sold on day x?

Answers

Answer:

C

Step-by-step explanation:

You are looking for the arithmetic sequence.  

[tex]a_{n}[/tex] = [tex]a_{1}[/tex] + (n-1)d

In this case the formula is written:

t(x) = 3 + 4(x-1)

The 3 is the first term.  The 4 is how much the sequence is increasing each time.  (x-1) stands for the term we are looking for.  If we were looking for the 15th term, we would have (15-1) in the parentheses.

Find the velocity, acceleration, and speed of a particle with the given position function. r(t) = t i t2 j 2 k

Answers

The velocity of a particle = i + 2t j

The acceleration of a particle = 2 j

The speed of a particle = [tex]\sqrt{1 + 4t^{2} }[/tex]

Here,

The position function is, [tex]r (t ) = ti + t^{2} j +2k[/tex]

We have to find, the velocity, acceleration, and speed of a particle with the given position function.

What is Velocity of a particle with the given position function?

The instantaneous velocity v(t) of a particle is the derivative of the position with respect to time. That is, v(t)=dx/dt.

Now,

The position function is, [tex]r (t ) = ti + t^{2} j +2k[/tex]

The velocity of a particle = [tex]\frac{d r(t)}{dt}[/tex]

[tex]r (t ) = ti + t^{2} j +2k[/tex]

[tex]\frac{d r(t)}{dt} = i + 2t j[/tex]

The acceleration of a particle = [tex]\frac{d^{2} r(t)}{dt^{2} }[/tex]

[tex]r (t ) = ti + t^{2} j +2k[/tex]

[tex]\frac{d r(t)}{dt} = i + 2t j[/tex]

[tex]\frac{d^{2} r(t)}{dt^{2} }= 2j[/tex]

The speed of a particle = [tex]| \frac{d r(t)}{dt}| = |v(t)|[/tex]

[tex]\frac{d r(t)}{dt} = i + 2t j[/tex]

[tex]|v(t)|=\sqrt{1 + 4t^{2} }[/tex]

Hence, The velocity of a particle = [tex]i + 2t j[/tex]

The acceleration of a particle = [tex]2 j[/tex]

The speed of a particle = [tex]\sqrt{1 + 4t^{2} }[/tex]

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Use the given values on the table to determine a pattern and complete the table.

1st - -15

2nd- -8

3rd- -1

4th - 6

5th - ?

6th - ?

7th - ?

8th - ?

Answers

Answer:

5th - 13

6th - 20

7th - 27

8th - 34

Step-by-step explanation:

You add seven

5: 13
6: 20
7: 27
8: 34

you’re adding 7 to the previous answer

I need help with both of these

Answers

Answer:

i think  the first one is   C and second one is C

Step-by-step explanation:

   the second one is a whole number because the square root of 49 is 7 and 7 is a whole.      

When a three-digit number written in base 10 has its final digit moved to the beginning, the result is the same number written in base 7. find all such numbers

Answers

There is no such number that has the result is the same number written in base 7 and base 10.

Decimal and Octal numbers:

Decimal system is most familiar number system to the general public. It is base 10 which has only 10 symbols − 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9.

Whereas octal system is one of the number systems to represent numbers. It is base 8 which has only 8 symbols − 0, 1, 2, 3, 4, 5, 6, and 7.

Given,

When a three-digit number written in base 10 has its final digit moved to the beginning, the result is the same number written in base 7.

Here we need to find all such numbers.

Let abc be the starting number, where the catenated letters represent digits, and not factors like in the product

=> a x b x c

And each of a,b, and c can be elements of the list,

=> {1,2,3,4,5,6,7,8,9,0}

Except a≠0.

Since abc is a base-10 numeral, we can also write it as

=> 10²a + 10¹b + 10⁰c

Which can be expanded as,

=> 100a + 10b + c ----------------------(1)

Moving the last digits to the first slot makes the new number,

=> 100c + 10a + b------------------------(2)

So, here the value c≠0.

We know that, the digits in the base-10 numeral cab are identical to those of the base-7 numeral that is written as cab₇.

In the equation form it is equal to,

=> 7²c + 7¹a + 7⁰b

=> 49c + 7a + b ---------------------(3)

but since we're working in base 7 now, the digits a,b, and c cannot exceed 6.

Now, we want to solve for a, b, and c such that

By equalizing the equations 2 and 3,

=> 100c + 10a + b = 49c + 7a + b

=> 100c + 10a + b - 49c - 7a - b

=> (100 - 49)c + (10 - 7)a

=> 51c + 3a

=> 3 (17c + a)

Both a and c must be positive, but this equation has solution,

=> a = -17c

So there are no positive integers solutions, and hence no such number.

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a swimming pool is 20m wide and has a diagonal length of 52m. how much shorter is it than a 50m long pool?

Answers

Using Pythagorus Theorem:

a^2+b^2=c^2
So
20^2 + b^2 = 52^2
To find b^2:
52^2 - 20^2 = 2304
The square root of 2304 is 48
So to calculate how much smaller it is than a 48m pool you have to do 50-48 which equals 2
So the pool is 2m shorter than a 50m long pool.

:)

Plot the y intercept of y=3/2 x-2

Answers

Answer:

(0,-2)

Step-by-step explanation:

That point is the y intercept. (4/3,0) would be the x.

x = 10 g y = 10 kg y + x =

a)10.1 kg
b)100.1 g
c)10.1 kg
d)10.01 g​

Answers

The correct option is d)10.01 kg​;       y + x = 10.01 kg.

What is referred as the unit conversion?

When converting units, you are generally given one measure but instead asked to convert it to another.

For example, you may be given a volume in "gallons" but also asked to convert it to "fluid ounces." They will have given you (or you will be able to quickly find) the conversion units which are appropriate for the task. In order to complete the conversion, you will be required to multiply or divide by one of the following unit equivalences.

For the given values in the question;

x = 10 g  and y = 10 kg

As, both the values are of mass.

For adding both values, the unit must be same.

So, convert the value of x in kg from g.

1 kg = 1000 g

Thus, 1 g = 1/1000 kg

10 g = 10/1000 kg

10 g = 0.01 kg

Now add both;

x + y = 0.01 + 10

x + y = 10.01 kg

Thus, the value of x + y is found as 10.01 kg.

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The correct question is-

a)10.1 kg

b)100.1 g

c)10.1 kg

d)10.01 kg​

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