Determine which diagram could be used to prove △ABC ~ △EDC using similarity transformations.

Triangle A B C is rotated about point C and then dilated to form triangle C E D.

Triangle A B C is reflected across point C and then is rotated to form triangle C E D.

Triangles A B C and C E D do not have congruent angle measures.

5+3+2=10

Answer: 10:3

The solution to the given equality is of s = 2.

The equation for this problem is given by:

(3 and 1/10) s = 6 and 1/5.

The mixed numbers as decimals are given as follows:

Hence the equation with decimal numbers is given by:

3.1s = 6.2

s = 6.2/3.1

s = 2.

The solution to the given equality is of s = 2.

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Answer:(15,0)

Step-by-step explanation:

[tex]x - \frac{y}{m} = x \\ - \frac{y}{m} = x - x \\ \frac{ - y}{m} = 0 \\ - y = 0 \\ y = 0[/tex]

The correct exponent is 6².

A number's exponent indicates how many times to multiply it. Exponents might also be called powers or indices.

The base number (b) and the exponent (or power) number are both used in the mathematical operation known as exponentiation, abbreviated as bⁿ . It is pronounced "b (raised) to the (power of) n" in English. Exponentiation, where n is a positive integer, is the process of repeatedly multiplying bases; the result is known as bⁿ.

Subtract the exponent of the denominator from the exponent of the numerator to determine the quotient of two numbers with the same base. The (aᵇ)ⁿ = aⁿᵇ exponent power rule applies. Multiply the exponent by the power to raise a number with that exponent to that power.

The given expression is [tex]\frac{6\times6\times6\times6\times6\times6\times6}{6\times6\times6\times6\times6} = \frac{6^7}{6^5}[/tex]

Now we will use the properties of exponents :

6⁷⁻⁵=6²

Hence the required exponent is 6².

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Given the radius in the diagram, the area of the circle to the nearest tenth is 116.9m².

A circle is simply a closed 2-dimensional curved shape with no corners or edges.

The area of a circle is expressed mathematically as;

A = πr²

Where r is radius and π is constant pi.

Given the data in the question;

Plug the given value into the area of circle formula and solve for A.

A = πr²

A = π × 37.21m²

A = 116.9m²

Given the radius in the diagram, the area of the circle to the nearest tenth is 116.9m².

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Answer:

(-1/2,0)

Step-by-step explanation:

Answer:

x=4

Step-by-step explanation:

2x+2x+3x-5+3x-5=30

10x-10=30

10x=40

x=4

answer:

48 miles per hour

30 ÷ 60 = .5 mile per minute

the diameter of the wheel is 26 inches

circule perimeter = 2 pi r

r = 1/2 d = 13 inch

circule perimeter = 81.7 inches

half mile = 31680 inch

31680 ÷ 81.7 = 387. 76 revolutions per minute

Answer:

y = -5x + 16

Step-by-step explanation:

Parallel lines have the same slope.  The slope is -5.  We need to find the y-intercept.  We will use the slope(-5) the x (3) and the y (1) to find this.

y = mx + b  Plug in what we know

1 = -5(3) + b

1 = -15 + b  Add 15 to both sides

16 = b

y = mx + b

y = -5x + 16

The figure 0.12 represents in this context the D. the fraction of the books in the library that are how-to books on electronics.

From the information, three-tenths of the books in the school library are how-to books and 0.2 deal with carpentry and 0.4 deal with electronics.

Therefore, the figure 0.12 represents in this context the fraction of the books in the library that are how-to books on electronics.

This was calculated as:

= 0.4 × 0.3

= 0.12

Therefore, the correct option is D.

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Answer:

Step-by-step explanation:       18,612,464,000,000 or 1.8612464 × 10^13

From the double number lines which shows the ratio of feet to miles, there are 15840 feet in 3 miles.

A number line can be defined as a type of graph with a graduated straight line which contains both positive and negative numerical values that are placed at equal intervals along its length.

From the given double number lines, we would apply direct proportion as follows:

10,560 feet = 2 miles

X feet = 1 mile

Cross-multiplying, we have:

X = 10,560/2

X = 5280 feet.

Now, we can determine the number of feet in 3 miles:

3 miles = 5280 × 3

3 miles = 15840 feet.

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Complete Question:

The double number lines show the ratio of feet to miles.

How many feet are in 3 miles?

It should be noted that one third times the difference of thirty and a variable is three fourths will be D. one third times y minus 30 equals three fourths

It should be noted that an expression simply shows that relationship between the numbers and the variables that are explained.

In this case, it should be noted that one third times the difference of thirty and a variable is three fourths will be one third times y minus 30 equals three fourths

Therefore, the appropriate explanation that first the information illustrated is D.

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Answer:

The guy above me is correct its D :)

Step-by-step explanation:

please don't delete this again :)

have a goody day

ma'am or sir  

Answer: 8

Step-by-step explanation: 8 minus 3 would be 5, subtracting 10 would then get to -5 (simplified)

x2-2x-3

there u go :)

Answer:

H(t) = 43in + (2in/year)*t.

Step-by-step explanation:

im right

Answer:

[tex]y = \frac{x}2 + 2.5[/tex]

Step-by-step explanation:

Step 1) Finding the slope
The line is perpendicular to [tex]y = 1 - 2x[/tex], therefore, its slope is equal to the negative invert of [tex]y[/tex]'s slope.

[tex]y[/tex]'s slope is -2 (the coefficient to [tex]x[/tex]), and, therefore, the line's slope is [tex]m = [-(-2)]^{-1} = 2^{-1} = \frac12[/tex]

Step 2) Building the Equation

We can now substitute the slope, along with the given point's coordinates, into the formula [tex]y - y_1 = m(x - x_1)[/tex] :

[tex]y - 3 = \frac12(x - 1)\\\to y - 3 = \frac{x}2 - \frac12\\\to y = \frac{x}2 + 2.5[/tex]

Answer:

less

Step-by-step explanation:

1 3/4 is equal 1.75 so 1.625 is less than 1 3/4

Answer:

I think it's greater than but it could be less than

Step-by-step explanation:

Answer:

Question 1:

[tex]{ \tt{(f +G)(x) = ( {x}^{2} + 2x - 3) + (3 {x}^{2} - x + 7)}} \\ \\ { \tt{ = ( {x}^{2} + 3 {x}^{2}) + (2x - x) + ( - 3 + 7) }} \\ \\(f + G)(x) = { \tt{4 {x}^{2} + x + 4 }}[/tex]

Question 2:

[tex]{ \tt{(f - G)(x) = ( {x}^{2} + 2x - 3) - (3 {x}^{2} - x + 7) }} \\ \\ = { \tt{( {x}^{2} - 3 {x}^{2} ) + (2x - ( - x)) + ( - 3 - 7)}} \\ \\ (f - G)(x) = { \tt{ - {2x}^{2} + 3x - 10 }}[/tex]

Answer:

Step-by-step explanation:

I CHECKED UR OTHER ONE CHECK IT PETER :>

Answer:

Ranked least to greatest:

l 125 l

l -127 l

l -132 l  

(the absolute value of 125, the absolute value of -127, and the absolute value of -132)

Step-by-step explanation:

Absolute value are the bars around a number that essentially is the distance of that number from ZERO. An easy way to visualize this is through a numberline. Therefore, even negative numbers under the absolute value of, become positive since the distance from zero can't be negative.

Looking at the problem, descending means going down in this case it symbolizes the negative.

So putting absolute value bars around each number we know that the absolute value of 125 is 125.. The absolute value of -132 is 132. The absolute value of -127 is 127.

Ordered from least to greatest we get: 125, 127, 132.

hope that helped! please mark brainliest:)

Answer:

x = -3

Step-by-step explanation:

I assume we're solving for x.

9x -5x = -12

Combine like terms.

4x = -12

Divide both sides by 4.

x = -3

The sequence that can be modeled by the expression is T(n+1) = Tn + 2x - 3 where n >= 1

The expression of the first difference is given as

2x - 3

Rewrite properly as

d = 2x - 3

Where the common difference is represented by d

The second difference of an arithmetic sequence is calculated as

d = T3 - T2

So, we have

T3 - T2 = 2x - 3

Add T2 to both sides of the equation

So, we have

T3 = T2 + 2x - 3

Express 3 as 2 + 1

So, we have

T(2+1) = T2 + 2x - 3

Express 2 as n

So, we have

T(n+1) = Tn + 2x - 3 where n >= 1

Hence, the sequence that can be modeled by the expression is T(n+1) = Tn + 2x - 3 where n >= 1

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The inequality will be given by 0 < x + 5 < 12 or -5 < x < 7 which meant value of number x will lie between -5 and 7.

What are inequalities ?

When two values are compared , an inequality represents whether one is greater than, less than, or not equal to the other.

It is given that the sum of a number and 5 is between 0 and 12. This can be represented by an inequality.

Let's assume the number is x.

So , the sum of number x and 5 will be :

= x + 5

Also , given that,  this value is between 0 and 12 .

This meant the inequality will be given by :

0 < x + 5 < 12

Let's subtract 5 from every term of inequality.

0 - 5 < x + 5 - 5 < 12 - 5

or

-5 < x < 7

The value of x lies between -5 and 7.

Therefore , the inequality will be given by 0 < x + 5 < 12 or -5 < x < 7 which meant value of number x will lie between -5 and 7.

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Answer:

100 >/ 18x = ~5 markers

Step-by-step explanation:

The teacher can only hand out 100 markers or less. Not more. We can't get to exactly 100 with an interger as our answer. I got 18x from the fact that there are 18 students. X represents how many markers each one will get. X equals 5.555 repeating, but you can't have a decimal amount of markers, but you can't round up. That would mean that the teacher gave out 108 markers. That's not possible.

Answer:

One train is traveling at 40 mph and the other train is traveling at 50 mph

Step-by-step explanation:

Distance = rate times time

If I add the two rates and times together, I will get the total distance

Train 1

Rate x + 10

Time 3

Train 2

Rate x

Time x

3(x + 10) + 3x = 270  Distribute the 3

3x + 30 + 3x = 270  Combine like terms

6x + 30 = 270  Subtract 30 from both sides of the equation

6x = 240  Divide both sides by 6

x = 40  This is the slower train.  Add 10 for the faster train.