Mathematics Middle School

Find the value of x.

Find The Value Of X.

Answers

Answer 1

Answer:

c

Step-by-step explanation:

Answer 2

7x+(13x-3)+(8x+15)=180

7x+13x-3+8x+15=180

28x+12=180

28x=180-12

28x=168

x=6

The answer is 6.

To check:

7(6)

42 degrees

13x-3

13(6)-3

78-3

75

75 degrees

8x+15

8(6)+15

48+15

63

63 degrees.

42+75+63=180

Therefore, x=6

Related Questions

Each square represents one square foot. Estimate the area of the figure below.

Answers

Uhm I’m gonna go with 14?

Answer:

15 units^2

Step-by-step explanation:

You have to rearrange some pieces to make it into a rectangle. After that, you will have a 3 x 5 rectangle in which you will multiply the length and width because a=l x w.

a = l x w

a = 3 x 5

15 = 3 x 5

The area of a parallelogram is 54 ft2. If the base of the parallelogram is 6 feet, what is its height?

9 feet
9.5 feet
10 feet
8 feet
HELP ASAP

Answers

Answer:

9 feet

Step-by-step explanation:

Area of a parallelogram = base times height

Thus, 54 = 6h

where h = height

* divide each side by 6 *

54 / 6 = 9

6h / 6 = h

h = 9

Thus, the answer is A

The answer is 9 feet king

No pic/link to answer pls. NEED TODAY

Answers

Answer:

[tex]\$17,364.38[/tex]

Step-by-step explanation:

Since the interest is compounded annually, we have the following equation:

[tex]15,000\cdot 1.05^3\approx \boxed{\$17,364.38}[/tex]

My guy up there is correct

Can you please explain how you got the answer? Thank you.

Answers

Answer:

2/3

Step-by-step explanation:

2 and 3 are two numbers of the 6 sided cube. So you would put that into a fraction, which is 4/6. Then, you would simplify which gives you 2/3

Hope that helped!

1/6 because there is six sides and your chances are less than 20% per side

Please help me ill give brainliest

Answers

Answer:

lol

Step-by-step explanation:

its ez stop cheating XD

Please answer quick! I've been stuck on this one a bit, I keep getting the wrong answer. (I'm not the best at math so maybe ya'll can help?) [tex]4/7=x/5[/tex]

Answers

Answer:

x= 5.6

Step-by-step explanation:

Basically, if you do 7÷5 it would equal 1.4 so you would have to multiply 4x1.4 which would equal 5.6.

In conclusion 4/7 = 5.6/5

The two-way table shows the number of students in a school who have cats and/or dogs as pets.


How many more students have cats than dogs?

25

22

7

3

Answers

The answer is 3

43-40 = 3

- Write an expression to represent the phrase: 4 less than b

Answers

y=b-4.. hope this helps

Please help, I give brainliest.

Answers

Answer:

12

Step-by-step explanation: I agree with the first person, What I did was add 5 years and 3 years together and got 8 years and used it as a fraction 8/1 and multiplied it with 3/2 and got 24/2 and I divided that to get 12

24 divided by 2= 12

A particle travels along a straight line with a velocity of v(t) = e^t cos(3t) meters per second. What is the total distance, in meters, traveled by the particle during the time interval 0 ≤ t ≤ 1 seconds?
1.765
3.691
1.067
0.254

Answers

Answer:

321

Step-by-step explanation:

find perimeter of the figure thanks and round to the nearest hundredth

Answers

Answer:

40.56

Step-by-step explanation:

you need the circumference of the cirle aka perimeter of circle so  8(pi) and then because its only half, divided by 2... 12.56

now you hgave circumference so add 12.56 to 28 and there you go. you can round how ever necessary

i think it’s 40.56 hope this helps

I’ll give brainliest help ASAP

Answers

The answer is 3 1 2 4



1. 3. 2. 4. ...........

hey if anyone can pls answer this including a step - by - step explanation it would help me a lot ty! :)) (CORRECTLY ANSWERED)

Answers

You have to find the total number of computers to find the denominator: 72 + 112 + 711 = 895.To find the probability, you just have to set the number of the different kinds of computers as the numerator:72/895 = 0.080112/895 = 0.125711/895 = 0.794

HOPE THIS HELPED YOU :)

total number of computers =895 then plug in the the other types of computers and use as the denominator to find probability

Please help me with this question asap

Answers

Answer:

1

Step-by-step explanation:

18x12 = 216

so now lets multiply the area of the door 7x3 21 216-21=195

Answer:

Only 1 gallon of paint because 18 × 12 = 216 7 × 3 = 21 216 - 21 = 195 since it can hold up to 200 and the area is 195 you will only need 1 gallon of paint hope that helps

Last one, omg so ready to be done with school.

Answers

Answer:

It would be G but i dont know

Step-by-step explanation:

Answer:

G

Step-by-step explanation:

When all are multiplied by 2 the deduction will be correct except option G

I need this answer and i need it fast. 100 points,

Maria is conducting a survey to determine the ages of 100 dogs in an animal shelter.

Which of the following questions is an appropriate statistical question for this survey?


What is the number of dogs in the shelter that are more than 5 years old?

What is the average number of years a dog stays at the shelter?

How old is the youngest dog in the animal shelter?

How old is each dog in the animal shelter?

Answers

Answer:

I would believe the answer would be

What is the number of dogs in the shelter that are more than 5 years old?

I don't know for sure though so answer at your own risk :)

The first one I believe

HELP!! A landscaper drew a scale drawing of a rectangular yard using the scale, 2cm : 3 m , before beginning to work on the yard.
a) The landscaper plans to put a fence around the entire yard. how many meters of fencing does she need?
b) The landscaper plans to create a rectangular garden that is 1/3 the size of the actual yard. what is the area of the garden? PLEASE SHOW YOUR WORK!

Answers

Here’s a written work of the question hope this helps

help answer these 2 questions

Answers

This is the second one
for the answers use photo math. Take a picture of the equation and it will answer for you :)

The histogram below represents the numbers of DVDs sold by members of a school choir for a fundraiser. Based on the histogram, which statement about the distribution of the numbers of DVDs sold by the choir members is true?

Answers

the answer to your question is
A: The distribution peaks at 2 to 3 and 8 to 9 DVDs.

pls helP!
will give brainlise

Answers

Answer:

A, D, E

Step-by-step explanation:

x and y should add up to 120 bc 180- 60= 120 so thats the only value we're missing

Answer: A, D, and E

Step-by-step explanation:

When you add up all the angles of a triangle it =180. SO you have to figure out what plus 60=180. A, D, and E all equaled to 180 when I added 60 to it

ASPA PLS HELP

Which figures are polygons?

Select each correct answer.


Figure A

Figure B

Figure C

Figure D

Answers

Answer: Figure A and Figure D

Explanation:
:)

Answer:

b

Step-by-step explanation:

the angles have to be straight

can you help please no links or point stealing or I will report

Answers

Answer:

Second one : x=-8+1/2

Step-by-step explanation:

-4x+8=42

We move all terms to the left:

-4x+8-(42)=0

We add all the numbers together, and all the variables

-4x-34=0

We move all terms containing x to the left, all other terms to the right

-4x=34

x=34/-4

x=-8+1/2

please answer the 1 question in the picture, thanks

Answers

Answer:

40

Step-by-step explanation:

LxW=A

So 4x10=40

Hope this helps

A=bh

A=4 x 10

A=40

Therefore, the area of the parallelogram is 40 square centimeters.

Helpppppppp plzzzz thank youu

Answers

Answer:

8 dogs

Step-by-step explanation:

4 dogs: 6 houses

? dogs: 12 houses

[tex]\frac{4}{6}=\frac{?}{12}[/tex]

[tex]6*?=48[/tex]

[tex]?=8[/tex]

I DONT KNOWWW TRY 8 orrrrr don’t .. im sorry

Find the area of the figure below:

Answers

Answer:

288

Step-by-step explanation:

Answer:

Step-by-step explanation:

First Part: Square

You need to multiply 16x16 to get 256

Second Part: Triangle

As you know triangle formula is b*h/2

So, Since one side is 16 do 16-8 to get 8. 8*8 would be 64

256+64 would be 320.

Area = 320

Please help. Find the value of X

Answers

Answer:

X=9

HOPE THIS HELPS

-Todo ❤️

Step-by-step explanation:

90+32+4+6x=180

-126. -126

6x=54

X=9

9=x
Minutes 32 from 90
You get 54 so set your equation to 58
6x+4=58
Minus four from both sides
6x=54
Divide by 6 to get the variable by itself
x=9

pls help me with this

Answers

Answer:172.28 Square Yards

172.28 is the answer love:)

50 Points Answer correctly please. :)

Jolie was surveying students about their use of the new math lab in a school. Which question in the survey is a statistical question?

A
Who is the trainer at the math lab?

B
Where is the math lab located in the school?

C
What is the number of learning stations at the math lab?

D
How many activities did you like that you performed in the math lab?

And i SWEAR TO GOD IF ONE OF YOU GUYS PUTS ONE OF THOSE LINKS! YOUR ANSWER WILL BE DELETED IMMEDIATELY!!!

Answers

Answer: D

Step-by-step explanation: It has a variety of answers, that can be chosen.

Answer:

C

Step-by-step explanation:

A: Increase the pressure to 2 atm
B: Decrease the volume of the water
C: Increase the size of the flame
D: Decrease the pressure to 0 atm

Answers

I believe it is A hope it helped!

Use benchmark fractions to compare 2/9 and 5/6. Part A Which of the following is a benchmark fraction Heather can use to compare the two fractions?

Answers

Answer:

30

Step-by-step explanation:

2/9 and 5/6 have a lcm of 30.

The answer I’ve got was 30 hope it’s right
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