Which can be used to prove that lines are parallel? 1.Vertical Angle Theorem 2.Alternate Interior Angles Theorem 3.Converse of Corresponding Angles Postulate 4.Converse of Same-Side Interior Angles Theorem

Answers

Answer 1

Answer:

4. Converse of Corresponding Angles Postulate

Step-by-step explanation:

Answer 2

There are several theorems to prove line relationships in plane geometry.

The proof of parallel lines is done by

(3) Converse of Corresponding Angles Postulate(4) Converse of Same-Side Interior Angles Theorem

To prove that lines are parallel, we make use of the concept of line transversal.

The vertical angle theorem is based on two lines intersecting at a point

The alternate interior angle theorem is used to determine the congruence of angles in a transversal of parallel lines

The converse of corresponding angles postulate, and the converse of same-side interior angles theorem are used to determine if lines are parallel based on the angles on the transversal.

Hence, the true options are (3) and (4)

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Related Questions

I need help with my math to day.‍♀️

Answers

Answer:

8x + 1 + 6x + 5 = 90

14x +  6 = 90

14x = 84

x = 6

<DCB is 6x+5

6(6) + 5

36 + 5

41

Answer:

∠ DBC = 41°

Step-by-step explanation:

∠ DBC + ∠ DBA = 90° , substitute values

6x + 5 + 8x + 1 = 90, that is

14x + 6 = 90 ( subtract 6 from both sides )

14x = 84 ( divide both sides by 14 )

x = 6

Thus

∠ DBC = 6x + 5 = 6(6) + 5 = 36 + 5 = 41°

Enter the terms and the coefficients of the expression. −80 + 7p − 6z

Answers

Answer:

Step-by-step explanation:

Terms           Coefficient

7p                    7

-6z                    -6

-80                  constant term

PLEASE HURRY, ITS TIMED >>>>...

Answers

Answer: the answer is A

Step-by-step explanation:

M and O is collinear. N is not because it is in the middle of that intersection

-. Six square-based pyramids fit exactly onto the six faces of a
cube of side 4 cm. If the volume of the object formed is
256 cm', find the height of each of the pyramids.

Answers

Answer:

60

Step-by-step explanation:

Please help!! Which of the following expressions is equivalent to (-7)^5? A)-7x-7x-7x-7x-7 B)-7x5 C)(-7)x7x(-7)x7x-7 D)5x5x5x5x5x5x5

Answers

(-7)^5 means that we are multiplying -7 to it self 5 times.

The only option that shows this is option A.

Best of Luck!

Answer:

7x7x7x7x7= 16807 A is correct.

Step-by-step explanation:7(77777) this means 7 is multiplying itself 5 times

Goodluck:)

13. One-fourth of a number is the same as the square of -3

Answers

Whats the answer choices

Please assist me with this

Answers

Answer:

The answer is option A

Step-by-step explanation:

To find the value of x when y = 24, we must first find the relationship between them

[tex]y \: \: \alpha \: \: \frac{k}{ \sqrt{x} } [/tex]

where k is the constant of proportionality

when

x = 16

y = 2

Substitute the values into the above formula and solve for k

That's

[tex]2 = \frac{k}{ \sqrt{16} } \\ 2 = \frac{k}{4} [/tex]

Cross multiply we have the answer as

k = 8

So the formula for the variation is

[tex]y = \frac{8}{ \sqrt{x} } [/tex]

Now when y = 24

We have

[tex]24 = \frac{8}{ \sqrt{x} } \\ 24 \sqrt{x} = 8 \\ \sqrt{x} = \frac{8}{24} \\ \sqrt{x} = \frac{1}{3} [/tex]

Square both sides

[tex]( { \sqrt{x} })^{2} = ( { \frac{1}{3} })^{2} [/tex]

We have the final answer as

[tex]x = \frac{1}{9} [/tex]

Hope this helps you

Which set of numbers is correctly ordered from least to greatest? [tex]A.) \frac{24\pi }{5\ } ,\frac{63}{4} ,15.758, 956\sqrt{e} \\\\B.)\frac{24\pi }{5\ } ,15.758, \frac{63}{4},956\sqrt{e} \\\\\\C.)956\sqrt{e} \,,15.758,\frac{63}{4} , \frac{24\pi }{5\ } \\ D.)956\sqrt{e} ,\frac{63}{4},15.758, \frac{24\pi }{5\ } \\[/tex]

Answers

A.) [tex]\frac{24\pi }{5} < \frac{63}{4} < 15.758 < 956\sqrt{e}[/tex] is the set of numbers correctly ordered from least to greatest (ascending order).

What is ascending order?

Ascending order is a method of arranging numbers from smallest value to largest value. The order goes from left to right. Ascending order is also sometimes named as increasing order.

[tex]\frac{24\pi }{5} = 15.0796\\\\\frac{63}{4} = 15.75\\\\956\sqrt{e} = 1576.177[/tex]

15.079 < 15.75 < 15.758 < 1576.177

[tex]\frac{24\pi }{5} < \frac{63}{4} < 15.758 < 956\sqrt{e}[/tex]

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The quotient of forty-five and a number, r ​

Answers

The quotient of 45 and r is 45r . A quotient is the result of a division. For example, 84=2 . So, 2 is the quotient.

Two of the angles in a triangle measure 52 and 22 what must be the measure of the third angle

Answers

The measure of the third angle is 74

Solve the equation.
-0.3x = - 1.5

Answers

the answer is easy it is x=5
X=5 is the answer
Because you divide both sides by -0.3 and it should give you the equation x= -1.5 Divided by (-3.0) which equals x=5

Solve: (5x - 3y + 2z)²

Answers

Answer:

25[tex]x^{2}[/tex] - 30xy + 20xz + 9[tex]y^{2}[/tex]  - 12yz + 4[tex]z^{2}[/tex]

Step-by-step explanation:

We multiply it out.

(5x - 3y + 2z) * (5x - 3y + 2z)

5x*5x + 5x*-3y + 5x*2z - 3y*5x - 3y*-3y -3y*2z + 2z*5x +2z * -3y +2z *2z

25[tex]x^{2}[/tex] - 15xy + 10xz - 15xy + 9[tex]y^{2}[/tex] - 6yz + 10xz - 6yz + 4[tex]z^{2}[/tex]

Add like terms

25[tex]x^{2}[/tex] - 15xy - 15xy + 10xz + 10xz + 9[tex]y^{2}[/tex] - 6yz - 6yz + 4[tex]z^{2}[/tex]

25[tex]x^{2}[/tex] - 30xy + 20xz + 9[tex]y^{2}[/tex]  - 12yz + 4[tex]z^{2}[/tex]

Help with these 3 I will give u a thanks

Answers

Answer:

3.6/5, 4. 9, 5. 11/2

Step-by-step explanation:

3. 2/5/6

= 2× 6/5

= 12/5

4. 7/9/7

= 7× 7/9

= 9

5. 8/11/4

= 8×4/11

= 11/2

hope you understand this answer

sorry if the answer is wrong

please i need help quick

Answers

it’s c ‘ 3 squared 2 ‘

The area of a square is 8 square meters. Which of these
closest to the length of one side of the square?
F 2 meters
G 2.8 meters
4 meters
H 3.5 meters

Answers

Answer:

G.

Step-by-step explanation:

Length = Square root of Square area

= √8 (-√8 is rejected as length is positive)

We know that √4 < √8 < √9 because 4 < 8 < 9.

=> 2 < √8 < 3.

The only answer that is in this range is G.

Solve for x

x to the power of 2 = 49

Answers

X= sqrt of 49=7 x=7 ..............

-1/2 (7z+4)+1/5(5z-15). Solve equation.

Answers

Answer:

-2.5(z+2)

Step-by-step explanation:

m = 4 and x-intercept of -2 in slope- intercept form.​

Answers

Answer:

y = 4x + 8

Step-by-step explanation:

Slope-intercept form:

y = mx + b

m = 4

y = 4x + b

x-intercept = -2, it means x = -2, y = 0

(-2, 0)

Using this point we get the value of b

0 = 4*(-2) + b ⇒ b = 8

The form now is:

y = 4x + 8

(01.01 MC)Which number line shows the solution to 6 + (−6)? A number line is shown from negative 12 to 0 to positive 12. There are increments of 2 on either side of the number line. An arrow pointing from 0 to negative 6 is shown. Above this, another arrow pointing from negative 6 to negative 12 is shown. A number line is shown from negative 12 to 0 to positive 12. There are increments of 2 on either side of the number line. An arrow pointing from 0 to 6 is shown. Above this, another arrow pointing from 6 to 0 is shown. A number line is shown from negative 12 to 0 to positive 12. There are increments of 2 on either side of the number line. An arrow pointing from 0 to negative 6 is shown. Above this, another arrow pointing from negative 6 to positive 6 is shown. A number line is shown from negative 12 to 0 to positive 12. There are increments of 2 on either side of the number line. An arrow pointing from 0 to 6 is shown. Above this, another arrow pointing from 6 to 12 is shown. PLS HELP ASAP !!!!!! WILL GIVE BRAINLIEST!!!!

Answers

Answer:

the first one

Step-by-step explanation: it worked for me i passed it

Solve: 3x + 5 - 13x = 25

Answers

Answer: x = -2

Step-by-step explanation:

3x+5 -13x =25     combine like terms on the left side

-10x + 5 = 25        Subtract 5 from both sides

        -5      -5

-10x = 20     Divide both sides -10

x = -2

Answer:

[tex]x = -2[/tex]

Step-by-step explanation:

If we have the equation [tex]3x+5-13x=25[/tex], we can isolate x on one side and find it's value.

Let's combine like terms.

[tex]-10x + 5 = 25[/tex]

Subtract 5 from both sides:

[tex]-10x + 5 - 5 = 25 - 5\\\\-10x = 20[/tex]

Divide both sides by -10:

[tex]-10x\div-10 = 20\div-10\\\\x = -2[/tex]

So [tex]x = -2[/tex].

Hope this helped!

Hard question please help. I had to repost because last time I wanted to give more points but I forgot to.

If [tex]\frac{\sin^2 3A}{\sin^2 A} - \frac{\cos^2 3A}{\cos^2 A} = 2[/tex] find what [tex]\cos2A[/tex] is.

Best Answer gets the reaming 15!
Have Fun!

Answers

Use the angle sum identities to expand [tex]\sin(3A)[/tex] and [tex]\cos(3A)[/tex]:

[tex]\sin(3A)=\sin(A+2A)=\sin A\cos(2A)+\cos A\sin(2A)[/tex]

[tex]\cos(3A)=\cos(A+2A)=\cos A\cos(2A)-\sin A\sin(2A)[/tex]

Use the double angle identity to expand [tex]\sin(2A)[/tex]:

[tex]\sin(2A)=2\sin A\cos A[/tex]

So we have

[tex]\sin(3A)=\sin A\cos(2A)+2\cos^2A\sin A[/tex]

[tex]\cos(3A)=\cos A\cos(2A)-2\sin^2A\cos A[/tex]

Then divide the first expression by [tex]\sin A[/tex] and the second by [tex]\cos A[/tex]:

[tex]\dfrac{\sin(3A)}{\sin A}=\cos(2A)+2\cos^2A[/tex]

[tex]\dfrac{\cos(3A)}{\cos A}=\cos(2A)-2\sin^2A[/tex]

Squaring these gives

[tex]\dfrac{\sin^2(3A)}{\sin^2A}=(\cos(2A)+2\cos^2A)^2=\cos^2(2A)+4\cos(2A)\cos^2A+4\cos^4A[/tex]

[tex]\dfrac{\cos^2(3A)}{\cos^2A}=(\cos(2A)-2\sin^2A)^2=\cos^2(2A)-4\cos(2A)\sin^2A+4\sin^4A[/tex]

Subtract the second expression from the first to get the original equation. The [tex]\cos^2(2A)[/tex] terms cancel, leaving us with

[tex]4\cos(2A)\cos^2A+4\cos^4A+4\cos(2A)\sin^2A-4\sin^4A=2[/tex]

Now, notice that

[tex]4\cos(2A)\cos^2A+4\cos(2A)\sin^2A=4\cos(2A)(\cos^2A+\sin^2A)=4\cos(2A)[/tex]

and

[tex]4\cos^4A-4\sin^4A=4(\cos^2A-\sin^2A)(\cos^2A+\sin^2A)=4\cos(2A)[/tex]

because [tex]\cos^2A+\sin^2A=1[/tex] and [tex]\cos^2A-\sin^2A=\cos(2A)[/tex].

So we're left with

[tex]4\cos(2A)+4\cos(2A)=8\cos(2A)=2\implies\boxed{\cos(2A)=\dfrac14}[/tex]

i need help i will give the brainleness thing to whoever can answer

Answers

Answer:

A=30cm, B=39cm

Step-by-step explanation:

They are an enlargement. Therefore, the sides are larger by the same proportion, otherwise, it wouldn't be an enlargement. Therefore, the bottom side of the big one is 3 times that of the small one. Therefore, the other sides are also 3 times, making A = 30cm and B = 39cm.

Answer:

A

12cm to 36cm is mulitiply by 3, so that means that you mutiply each of the other sides by 3 to get your answer

The Palue of the digit in the hundredths place is
times as great as the digit in the tenths place.
Work it out
hop



Answers

Answer:The value of the digit in the hundredths place is 10 times as great as the value of the digit in the tenths place.

Explained: The model shows that your number is 0.11

We have to find what we can multiply to become the 1 in the tenths place. Since they are the same number but in different places, we just multiply it by 10 to change the value.

So, if you multiply 10 by the 1 in the hundredths place, it will get you to the 1 in the tenths place.

Hope it helps

2x2 + 11x + 5
Factor the trinomial

Answers

4+11x+5
Answer: 9+11x

Answer:

9+11x

Step-by-step explanation:

what is -13.5 = 2.7x

Answers

X= -5

-13.5 ÷ 2.7= -5

-5=x

Answer:

x=5

Step-by-step explanation:

There are 10 fifth-grade students attending a class field trip to the city’s art museum. If each admission ticket costs $6, what is the total cost of admission for the 10 students

Answers

Answer:

$60

Step-by-step explanation:

10x6=60. 6+6+6+6+6+6+6+6+6+6= 60

Which of the following is Equivalent to
3x - 4y = 6 ? Solve for y.​

Answers

Answer:

Y = 3/4X - 3/2

Step-by-step explanation:

3X - 4y =6

3X - 6 =4Y

Y = 3/4X - 3/2

The value of Y for the expression 3x - 4y = 6 will be Y = 3/4X - 3/2.

What is an expression?

The mathematical expression combines numerical variables and operations denoted by addition, subtraction, multiplication, and division signs.

Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also denote the logical syntax's operation order and other properties.

The given expression is 3x - 4y = 6. The value for y will be calculated as,

3X - 4y =6

Rearrange the above equation and solve for Y,

3X - 6 =4Y

Y = 3/4X - 3/2

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0.2(x + 1) + 0.5x = –0.3(x – 4)

Answers

x=1 im pretty sure :)

please help meeee!!!!!! complete the equation below. (4x)^-2(4x)^3(4x)^9 =(4x)______.

Answers

Answer for the blank is: 10

The exponents are -2, 3 and 9. Note how the bases are all the same at 4x. When we multiply exponential expressions like this, we add the exponents. So we'll get -2+3+9 = 1+9 = 10 as the final exponent over the base 4x

In short,

[tex](4x)^{-2}*(4x)^3*(4x)^9 =(4x)^{-2+3+9} = (4x)^{10}[/tex]

please help meeee!!!!!! complete the equation below. (4x)^-2(4x)^3(4x)^9 =(4x)=10

2/4+5/4= 6/12+14/12=

Answers

Answer:

7/4=5/3 is the answer

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