1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Vaselesa [24]
3 years ago
8

2 2/3 + 12 6/8 how do I work this

Mathematics
1 answer:
barxatty [35]3 years ago
3 0

Answer:

\large\boxed{2\dfrac{2}{3}+12\dfrac{6}{8}=15\dfrac{5}{12}}

Step-by-step explanation:

2\dfrac{2}{3}+12\dfrac{6}{8}=2\dfrac{2}{3}+12\dfrac{6:2}{8:2}=2\dfrac{2}{3}+12\dfrac{3}{4}\\\\\text{Find}\ LCD:\\\\\text{List of multiples of 3:}\ 0,\ 3,\ 6,\ 9,\ \boxed{12},\ 15,\ ...\\\text{List of multiples of 4:}\ 0,\ 4,\ 8,\ \boxed{12},\ 16,\ ...\\\\12=3\cdot4\\\\\text{therefore}\\\\\dfrac{2}{3}=\dfrac{2\cdot4}{3\cdot4}=\dfrac{8}{12}\\\\\dfrac{3}{4}=\dfrac{3\cdot3}{4\cdot3}=\dfrac{9}{12}\\\\2\dfrac{2}{3}+12\dfrac{3}{4}=2\dfrac{8}{12}+12\dfrac{9}{12}=(2+12)+\dfrac{8+9}{12}=14+\dfrac{17}{12}\\\\=14+1\dfrac{5}{12}=15\dfrac{5}{12}

You might be interested in
<img src="https://tex.z-dn.net/?f=T%3D2%5Cpi%20%5Csqrt%7Bl%2Fg%7D" id="TexFormula1" title="T=2\pi \sqrt{l/g}" alt="T=2\pi \sqrt{
Ket [755]

Answer:

T^2*g / 4pi^2  = l

Step-by-step explanation:

T = 2 * pi * sqrt( l/g)

We need to solve for l

Divide each side by 2pi

T/ (2pi) = 2 * pi/2pi * sqrt( l/g)

T/ (2pi) =  sqrt( l/g)

Now square each side

(T/ (2pi))^2 = ( sqrt( l/g))^2

T^2 / 4pi^2 = l/g

Multiply each side by g

T^2 / 4pi^2  * g= l/g*g

T^2*g / 4pi^2  = l

8 0
3 years ago
What is the square root of 7 + x if x is 100 - 26
finlep [7]
If x is 100-26
x=74
So
The square root of 7+ x is
\sqrt{7 + 74}  \\  =  \sqrt{81}  \\  = 9
5 0
3 years ago
Read 2 more answers
Work Out The Answers
kodGreya [7K]

Answer:

A1.) 87 + 63 =150

180 - 150 = 30

all the As is the same formula....

B1.) 180 - 123 = 57

57 + 82 = 139

180 - 131 = 41

3 0
3 years ago
Solve the simultaneous equations 4x - 2y = 8 and x - 3y= -3
Maru [420]
4x-2y=8
x-3y=-3
Multiply equation 2 by 4;
4x-2y=8
4x-12y=-12
Subtracting equation II from equation I;
10y=20
y=2
Replacing the value of y in equation;
4x-2y=8
4x-2(2)=8
4x-4=8
4x=12
x=3
7 0
3 years ago
System w/Elimination<br>-2x-9y=-25<br><br>-4x-9y=-25
Lerok [7]

x=0 and y=\frac{25}{9}

Step-by-step explanation:

We need to solve the system by elimination and find values of x and y

-2x-9y=-25\,\,\,(1)\\-4x-9y=-25\,\,\,(2)

Subtract eq(1) and eq(2)

-2x-9y=-25\,\,\,(1)\\-4x-9y=-25\,\,\,(2)\\+\,\,\,+\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,+\\---------\\2x=0\\x=0

Now Multiply equation (1) by 2 and subtract with eq(2)

-4x-18y=-50\\-4x-9y=-25\\+\,\,\,\,\,\,+\,\,\,\,\,\,\,\,\,\,\,\,\,\,+\\--------\\-9y=-25\\y=\frac{-25}{-9}\\y=\frac{25}{9}

So, x=0 and y=\frac{25}{9}

Keywords: system by elimination

Learn more about system by elimination at:

  • brainly.com/question/6075514
  • brainly.com/question/2115716
  • brainly.com/question/4192226

#learnwithBrainly

5 0
3 years ago
Other questions:
  • Are you good at math then here
    7·1 answer
  • If b= 7, what is 1/3(2b+10)? Please help
    15·2 answers
  • Nadine made 16 cups of punch for a class party. One serving is 1/2cup. How many servings of punch did Nadine make?
    5·2 answers
  • Solve for the variable x in the following equation. x2 = 100 x =±
    15·1 answer
  • Scale Factor : ____?____
    7·1 answer
  • a washer and dryer costs $951 combined. The washer costs $51 more than the dryer. what is the cost of the dryer?​
    12·2 answers
  • HELP WILLING TO CASHAPP if answered quick and correctly + 100 points The points plotted below on the graph of a polynomial which
    11·2 answers
  • Quadratic equation
    10·1 answer
  • Help me please &lt;3 ill give yall 20 points
    8·1 answer
  • What is the scale factor???
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!