Mathematics College

Please help solve for X and AB.

Answers

Answer 1

Answer:

x=3 and AB=20

Step-by-step explanation:

If CB and BD are equal segments then you can solve for x by solving for

3x+6=8x-9

3x+15=8x (Add 9 to both sides)

15=5x (Subtract 3x from both sides)

x=3 (Divide 5 by both sides)

To find AB, substitute 3 and x

7(3)-1

21-1

Related Questions

Can I please get some help

Answers

Answer:

a) 8

b) -4

c) 3x² - 4x + 8

d) 20

e) 28

Step-by-step explanation:

a) (-2)² + 4 = 8

b) 8 + [4(-2) - 4] = 8 + (-8 - 4) = 8 + (-12) = -4

c) 3(x² + 4) = 3x² + 12

3x² + 12 - (4x - 4) = 3x² - 4x + 8

d) g(2) = 4 4² + 4 = 20

e) f(2) = 8 4(8) - 4 = 28

it’s multiple choice please help i’ll mark brainliest !

Answers

THe answer is the third one

Answer:

Step-by-step explanation:

one gallon of gasoline in Buffalo New York cost $2.29 and Toronado Canada one liter of gasoline cost 91 cents there are 3.8 liters in one gallon how much does one gallon of gas cost in tornado round your answer to the nearest cent is the cost of gas crater in Buffalo or tonado how much GREATER

Answers

For one gallon of gas in Canada it would cost 3.45, and since it only costs 2.29 in New York.. Tonado has the greater price for gas

Luis solves the following system of equations by elimination.
5s+ 3t = 30
2s+3t=-3
What is the value of s in the solution of the system?

Answers

the value of s is 11

How many solutions does this system have: y = 3x -3 and y = 3x - 3

Answers

Answer:

It has 1 unique answer or no solution

Step-by-step explanation:

Answer:

This system has only one solution

Step-by-step explanation:

Why did a gacha yt ad pop up when my teacher put up a yt vid

Answers

Answer:

she watching u

Step-by-step explanation:

Can you please give more details it’s would help a lot

Marking brainlest

mary has 200ml of hand sanitizer that is 15% alcohol she mixes it with 200ml of a hand sanitizer that is x% alcohol how many ml is in the 2nd hand sanitizer?

Answers

Answer:

I am pretty sure it is 400ml hope this helps

Answer:

2(x+15)

Step-by-step explanation:

1) Jared got 18 out of 25 questions correct on a quiz. What grade did he get?

Answers

Answer:

72 or 72/100 or 72% or whatever

Step-by-step explanation:

18/25= .72 Simple!

A car is purchased for $17,500. After each year, the resale value decreases by 20%. What will the resale value be after 5 years?
Use the calculator provided and round your answer to the nearest dollar.

Answers

Answer:

17,500*20%= 3,500 of decrease each year by 5 (3,500x5) 17,500

17,500-17,500= o resale value

Step-by-step explanation:

Which is a correct name for the angle shown?

Answers

Answer:

Angle CBA (the last one)

Step-by-step explanation:

Just look at the order of it. It could either be Angle ABC or Angle CBA.

(hope this helps!)

I think it’s the first one of you do t already have a anwser

Find the slope and y-intercpet. (Hint: Rewrite the equation in slope-intercept form first.)
16x - 4y - 12
m
b
Blank 1
Blank 2:

Answers

Answer

y=4x-3

m=4 or 4/1

b=-3

a/-b in standard form

Answers

It can't be write in a standard form

Divya is painting a room. She uses 3/4 gallon of paint to cover 1/5 of a wall. If the walls are all the same size how much paint will she need to cover one wall?

1) 3/20 gallons
2) 3 gallons
3) 3 3/4 gallons
4) 5 gallons

Answers

Answer:

3) 3 3/4

Step-by-step explanation:

what does x equal -4 = x - 93/-1

Answers

Answer:

x= -97

Step-by-step explanation:

I hope this help!!!

Find the distance between the two points rounding to the nearest tenth (if necessary).
(4,2) and (1, -2)

Answers

Answer:

5 units

Step-by-step explanation:

Calculate the distance d using the distance formula

d = [tex]\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }[/tex]

with (x₁, y₁ ) = (4, 2) and (x₂, y₂ ) = (1, - 2)

d = [tex]\sqrt{(1-4)^2+(-2-2)^2}[/tex]

= [tex]\sqrt{(-3)^2+(-4)^2}[/tex]

= [tex]\sqrt{9+16}[/tex]

= [tex]\sqrt{25}[/tex]

= 5

Camille buys $50 worth of books at Target. She has a coupon for 20% off her entire purchase. What is the total cost of the books after the coupon is applied?

Answers

Answer:

$40

Step-by-step explanation:

If something is 20% off divide the number by 5 then take that number and minus it from the original number

For example

50 ÷ 5 =10

50 - 10 = 40

I hope this helps!

Can someone please answer 1 for me? Whoever can answer gets brainliest

Answers

ANSWER
Day 1 he gets $7
Day 2 he gets $14
Day 3 he gets $21

EXPLANATION:

add 7 to each day!
Hope that helps <3

Do this very simple equation for monE

Answers

Answer:

Were my money?

Step-by-step explanation:

May I have brainliest please I'm trying to level up!

</3 PureBeauty

An AutoCAD drawing has a scale of 3/4 inches to 2 ft. If a piece of a bridge measures 15 feet, how long is that piece in the AutoCAD printout?

11.25 inches

5.625 inches

22.5 inche

51 inches
Please I really need this for tonight

Answers

The answer is B) 5.625 inches

Answer:

B) 5.625 inches

Step-by-step explanation:

please help asap!!!!

Answers

try 10 as the answer. Good luck

What is the slope of a line that is perpendicular to the line shown on the graph?

Answers

The answer is C. 1/2

Hope this helps!

what is the least common dominator of 3/4 4/5 and 2/3

Answers

3/4 = 45/60, 4/5 = 48/60, 2/3 = 40/ 60

I need help with this question from my daughters 1st grade math class. I believe the answer should be 12 but the teacher says the answer should be 6. How is the answer 6?

Mackenzie picks some apples.
She eats 3 apples.
Now she has 9 apples.
How many apples did Mackenzie pick to start?
A. 3 apples
B. 6 apples
C. 9 apples
D. 12 apples

Answers

Answer:

d.12

Step-by-step explanation:

its saying she ate 3 an now has 9. so you really add 3 to 9 an your answer is 12. in other words x=9+3 for your level of math. i'll be glad to help her with her home work for now if you would like me to.

Answer: Option D 12 apples

Step-by-step explanation:

SOOOO

She ate 3 apples and after that, she left with the 9 apples

They asked how many did Mackenzie pick.

SO its past tense

we have to add 3 apples that she just ate

so 9+3= 12 apples

I think your teacher is wrong because I think your teacher thought that she had 9 apples actually she has 9 apples after she just ate. So if it was before she has eaten the apples then it would be 6

Tell the teacher that she/he is wrong and give this explanation

I hope this helps you and your teacher

Find the slope of the line.

Answers

The slope is 1/3 because slope is rise over run so you go up one unit and go right three units.

Answer:

The slope is 1/3

Step-by-step explanation:

Slope is rise over run. Starting from the point (1,-4), the line moves up one unit (rise=1) and then 3 units to the right (run=3) to get to the point (4,-3). Therefore rise over run, or the slope, is 1/3.

Find each difference.

A: (−5)−6

B: 35−(−8)

C: −438−(−114)

Answers

Answer:

A = -11

B = 43

C = -324

Step-by-step explanation:

-5 - 6 = -11

35 + 8 = 43

-438 + 114 = -324

Can someone help me with this problem pls

Answers

a. Slope = 2
b. Slope = 2/3 or 0.66

(Slope = change in y / change in x)

One hundred students go to the cafeteria to eat lunch. Six tables held the same amount of students while an additional 10 students stood in line. Which equation can be used to find the number of students sitting at each table?

1. 100 + 6 x = 10

2. 100 = 10 x + 6

3. 10 x - 100 = 10

4. 6x + 10 = 100

Answers

I think I that the answer is the f o u r t h
one

10. Simplify. * *
-4i (81)
32
50
47
35

Answers

Answer:

55+5=60

Step-by-step explanation:

Slove for N will give brainliest

Answers

Answer:

n= -4/7

Step-by-step explanation:

For a National Junior Honor Society Induction Celebration, Ahmed is renting tables and chairs. He wants to have only tables for 4 and tables for 6. The total number of people that can be seated in the school cafeteria with these tables is 160.
Write an equation to represent the situation. Let x represent the number of 4 seat tables and y represent the number of 6 seat tables.

Answers

Answer:

There are different combinations you can do.... for example

10 tables of 4 and 20 tables of 6

25 tables of 4 and 10 tables of 6

so Im not sure which :/ but the equation would be:

10x+20y=160

25x+10y=160

there are different combinations of the two so im not sure T_T

This question is based on the concept of linear equation. Therefore, the equation would be, 10x+20y=160 or 25x+10y=160 to represent the situation.

Given:

He wants to have only tables for 4 and tables for 6. The total number of tables is 160.

And x represent the number of 4 seat tables and y represent the number of 6 seat tables.

We need to determined an equation to represent the situation.

Let x represent the number of 4 seat tables and y represent the number of 6 seat tables.

According to the question,

There are different combinations we can make as below,

For example :

10 tables of 4 and 20 tables of 6

25 tables of 4 and 10 tables of 6

Therefore, the equation would be, 10x+20y=160 or 25x+10y=160 to represent the situation.

For more details, prefer this link:

https://brainly.com/question/11897796

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