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2 years ago

What is1/12+7/9. I need help.

1 answer:

7 0

You have to make them have their least common denominator to add or subtract, in this case 36.
Multiply 1/12 by 3, to get the denominator 36: 3/36.
Multiply 7/9 by 4, to get the denominator 36: 28/36.
Now add the numerators: 3+28=31, 31/36 is as simplified as possible so your answer is 31/36 :) I hope this helps :)

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In a bag of 100 marbles comprised of many colors, 25 are blue. suppose marbles are selected at random.

satela [25.4K]

Solution: The number of ways we can arrange 3 blue marbles if a set of 5 marbles is selected is:

$\binom{5}{3}=\frac{5!}{(5-3)!3!}$

$=\frac{120}{2 \times 6}$

$=\frac{120}{12}=10$

Therefore, there are 10 ways we could arrange 3 blue marbles.

3 0

2 years ago

Anyone understand how to do both of these?

Evgen [1.6K]

for the first one set 3y+y=180 and y+x=180

the second one set w+y=180, 42+x=180, y+20=180, and 87+v

6 0

2 years ago

Pls helppp me with this

Annette [7]

Answer:

Step-by-step explanation:

Applying,

The angle bisector theorem of triangle

From the diagram,

Since ΔAMT is an issoceless triangle,

Then,

Line OA divides Line MT into two equal parts.

Therefore,

Line MO = Line OT.............. Equation 1

From the diagram,

Line MO = 4x-1, Line OT = 3x+3

Substitute into equation 1

4x-1 = 3x+3

Collect like terms

4x-3x = 3+1

x = 4.

Therefore,

OT = 3(4)+3

OT = 12+3

OT = 15

7 0

2 years ago

Okay guys I'm not very good at word problems, but here's my question:

allsm [11]

Answer:

54 students

Step-by-step explanation:

331 - 7 = 324

324 divided by 6 = 54

Hope this helps :D

8 0

2 years ago

Please help me solve the problem 3 \sqrt[5] 3\sqrt[100]

Advocard [28]

<span>3 X squareroot (10 X 100) = 3X (10) X squareroot (10) = [ where the squareroot of 100 is 10] 30 X squareroot (10) = 30 X squareroot (2 X 5) = [where the squareroot of 2 is 1.414] 30 X (1.414) X squareroot (5) = 94.85</span>

6 0

2 years ago