Mathematics High School

Complete the two column proof

Answers

Answer 1

Answer:

Step-by-step explanation:

a. addition

b. division

c. given

Related Questions

DETERMINE WHICH OF THE LINES ARE PARALLEL OR PERPENDICULAR thx sm

Answers

Answer:

Parallel: a and b

Perpendicular: none

Step-by-step explanation:

You are given the coordinates of each line.

To check if they are parallel or perpendicular, need to find slope.

In this case we can use :

m = (y2 - y1) / (x2 - x1)

So for line a:

(1,5) and (-2, -4)

slope = (-4 - 5) / (-2 - 1)

slope = -9/-3

slope = 3

Line b:

(3, 2) and (1, -4)

slope = (-4 - 2)/(1 - 3)

slope = -6/-2

slope = 3

Line C:

(6, 1) and (-4, 2)

slope = ( 2 - 1) / ( -4 -6)

Slope = 1/ -10

slope = - 1/10

Line A and B are parallel because their slopes are the same.

To check if they are perpendicular, we need to know if their slopes are reciprocals.

Here none of them are perpendicular to each other

Use the algebra tiles to help you solve the equation. 4x-2=10

Answers

Answer:

The solution to this equation is x=3

Step-by-step explanation:

Find the value of x

Answers

Answer:

x = 17

Step-by-step explanation:

The hash marks indicate that the segment marked x+2 connects the midpoints of the sides of the triangle. Therefore, it is a "midline" and has half the length of the parallel base.

x +2 = 1/2(38)

x = 19 -2 . . . . . subtract 2

x = 17

F(x)=log2(x+3)+5 what's the x and y int.

Answers

Answer:

x int (-3), y it. (5)

Step-by-step explanation:

x+3=0, just subtract 3 and x = 3

Number to the right of parenthesis is always y int. for this sort of problem

HELLPPPPPPP

please help

Answers

Answer:

i think that's A

I'm just guess

Jeremy brought a sandwich and a drink that cost him $7. His drink cost $1.75. Solve the equation 7=s + 1.75 to find s, the cost of Jeremy’s sandwich.

Answers

Answer:

s= $5.25

Step-by-step explanation:

7-1.75=5.25

7=5.25+1.75

s=$5.25

Solve for t. 3t - 18 = 4(-3-3/4t). t=

Answers

Answer:T=1

Step-by-step explanation:

Answer:

t = 1

Step-by-step explanation:

what is 26x54 PLSSSSSSSSSSSS

Answers

Answer:

1404

Step-by-step explanation:

Answer:

1404

Step-by-step explanation:

If you need assistance with problems like these, try breaking it up!

Instead of 26*54, try doing 26*50 + 26*4

Having "wholer" numbers will help the process.

is (-a + b)² = a² - 2ab + b² right or wrong, and why?

Answers

Answer:

[tex]\huge\boxed{\sf Right.}[/tex]

Step-by-step explanation:

[tex](-a+b)^2[/tex]

Let's apply the formula (x+y)² = x² + 2xy + y²

Here, x = -a and y = b

So,

= (-a)² + 2(-a)(b) + (b)²

= a² - 2ab + b²

Hence, it has been proved that (-a + b)² = a² - 2ab + b².

[tex]\rule[225]{225}{2}[/tex]

Hope this helped!

~AH1807

Use substitution to solve each system of equations.
=++=

Answers

Answer:

I can only see =++= so please repost your answer so i can edit my answer as well

Step-by-step explanation:

What expression is equivalent too 3(-6h - 4) + 5h?

Answers

Answer:

-13h - 12

Step-by-step explanation:

3(-6h - 4) + 5h

-18h - 12 + 5h

-13h - 12

hope this helps! :D

have a miraculous day, and brainliest is immensely appreciated!! <3

A town doubles its size every 35 years. If the population is currently 50000, we will the
population be in 140 years?

please help

Answers

140/35= 4. so it will double 4 times in the next 140 years. so it’s 50000 x 2= 100k 100k x 2 = 200k 200k x 2= 400k 400k x = 800k so the population in 140 years will be ~800k people

What is the equation for this parent graph?

Answers

it’s y= x^2. lol i need to write 20 worf

Please help!! markup and markdown word problems.

1. Timmy wants to buy a scooter and the price was $50. When he goes to the store a second time, he found that price was marked down by 20%. What is the new price?

2. A football is selling for 35% off the original price. The original price was $60. What is the sale price of the football?

Answers

The new price of the scooter will be:

= $50 - (20% × $50)

= $50 - $10

= $40

The sale price of the football will be:

= 35% × $60

= $21

A school communoty had planned to reduce the number of grade 9 students per class room by constructing additional class room however they constructed 4 less rooms than they planned As the result tye number of students per class was 10 more than they planned if there are 1200 grade 9 students in the school determine the current number of class rooms and the number of students per class (I need instant help)

Answers

Here is my solution. I hope it is helpful.

y/5 = 2/5 im not sure how to complete this question

Answers

Answer: y is 2

Step-by-step explanation:

[tex]\huge \bf༆ Answer ༄[/tex]

Let's solve for y ~

[tex] \sf \dfrac{y}{5} = \dfrac{2}{5} [/tex]

[tex] \sf y = \dfrac{2}{ \cancel5} \times \cancel5[/tex]

[tex] \sf y = 2[/tex]

Value of y is 2

can someone plz explain and gimme the answer...

Answers

Answer:

The choice two

[tex]5 \sqrt{2} [/tex]

Step-by-step explanation:

[tex] {a}^{2} + {b}^{2} = {c}^{2} \\ {5}^{2} + {5}^{2} = {c}^{2} \\ 25 + 25 = {c}^{2} \\ 50 = {c}^{2} \\ c = 5 \sqrt{2} [/tex]

Please help with this !

Answers

17+15+b = 180 so If you do 180-(15+17) =b
Well we know 15+17 is 32 so now you do 180-32 which equals 148 so b=148

If x > 0 and y > 0, where is the
point (x, y) located?

Answers

Given, x > 0, y > 0.So, the values of x and y are less than 0, that means, they are negative integers.If we divide a Cartesian plane with the x-axis and y-axis, we get four quadrants.1st Quadrant : (+,+)2nd Quadrant : (-,+)3rd Quadrant : (-,-)4th Quadrant : (+,-)Since the values of x and y are both negative, so (x, y) is located in the 3rd Quadrant.

Hope you could get an idea from here.

Doubt clarification - use comment section

I really need help
Help please (40 points)
Provide the missing statements and reasons for the following proof.
Theorem opposite slides of parallelograms are congruent

Answers

Answer:

See answer below

Step-by-step explanation:

R3: If parallel lines, then alternate interior angles is congruent

S4: AC ≅ AC

R5: ASA

tell me if right plz

Answers

Answer:

yes

Step-by-step explanation:

What is the slope of a line that is perpendicular to the line y = 1?
O-1
ОО
O 1
O undefined

Answers

Answer: D) Undefined

Explanation:

The equation y = 1 is the same as y = 0x+1

Match that to the form y = mx+b to see that the slope is m = 0

Any horizontal line has a slope of 0.

Notice that we cannot apply the negative reciprocal to this because 0 = 0/1 leads to 1/0 which is undefined

The slope of any vertical line is undefined because we have run = 0 and slope = rise/run = 1/0. The rise can be any number you want (it doesn't have to be 1) and we get the same result.

The slope of a line that is perpendicular to the line y = 1 is undefined.

What is Slope of Line?

The slope of the line is the ratio of the rise to the run, or rise divided by the run. It describes the steepness of line in the coordinate plane.

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is

m=y₂-y₁/x₂-x₁

The equation y = 1 is the same as y = 0x+1

Match that to the form y = mx+b to see that the slope is m = 0

Any horizontal line has a slope of 0.

y = 1 is an vertical line.

The slope of any vertical line is undefined because we have run = 0 and slope = rise/run = 1/0.

= Undefined

Hence, the slope of a line that is perpendicular to the line y = 1 is undefined.

To learn more on slope of line click:

https://brainly.com/question/16180119

#SPJ7

Please help everyone!!!!! I will give you brainliest if you answer my question correctly! The average weight of 6 packages is (9m+8) pounds 2 more packages with weights of (12m + 12) pounds and (14m + 12) pounds, are added to the original 6 packages. Find the average weight of the 8 packages.

Answers

Answer: 22m + 20

First average the 2 package weights:

(12m+12) + (14m + 12) / 2

(26m + 24) / 2

13m + 12

So the average weight of 2 package is 13m + 12

Now you already know the average of 6 packages that is 9m + 8. So add the 2 package and 6 package average weights.

13m + 12 + 9m + 8

22m + 20

I am not sure unless you or someone else thinks it correct. But thats it, pls forgive me if i am wrong... :(

3
5
y = mx + c
Find the value of y when m= -2, r = -7 and c= -3.

Answers

Answer:

This assume the equation is 35y = mx + c, and that r is meant to be x.

Step-by-step explanation:

35y = mx + c

35y = -2(-7) - 3

35y = 14 - 3

35y = 11

y = (11/35)

Please check the formatting of your question.

Use the distributive property to remove the parentheses.
-9(-6u+v-5)

I need help- I’ll get brainly list

Answers

Answer:

54u - 9v + 45

Step-by-step explanation:

distributive property

what does the expression 3(20+15) represent?

Answers

Answer:

It represents 3x20 +3x15

Step-by-step explanation:

The expression 3(20+15) represents 20+15 then multiplying it by three.

If you were to solve the expression, the answer would be 105.

20 + 15 = 35

35 x 3 OR 35(3) OR 35 ∙ 3 = 105

I really need help with this, and also if it's Substitution or linear combination and it will be really helpful if you do step by step please.

Answers

Answer:

-2x+y=12

Step-by-step explanation:

linear equation

Please help me on question 32!!!

Answers

Let angles of triangle are 2x, 3x, and 7x

We know that,

Sum of the angles=180 deg

2x+3x+7x=180

12x=180

x=180/12

x=15

Smallest angle = 2x

=2×15

=30 deg

So, measure of smallest angle is 30 degree.

ANSWER 100 POINTS AND BRAINLY THIS IS MATH

Answers

Difference between relation and function?

Functions have unique range for each domain.Where as relation haven't.

Check option A

2 is repeated in domain

Hence table A is a relation.

Table B is a function

Which quadratic equation has roots -7 and -4?

Answers

Answer:

the given set of solutions {−7,4} is y=x2+3x−28 y = x 2 + 3 x - 28 .

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