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serious [3.7K]
3 years ago
11

Look at the following math problems. 10 + 2 = 12 12 − 2 = 10 What are these operations called?

Mathematics
1 answer:
Anettt [7]3 years ago
3 0

Answer:

i think it might be fact families

Step-by-step explanation:

this is because they use the 3 same #rrs

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(Picture) INFINITE SEQUENCES AND SERIES PLEASE HELP!!
mojhsa [17]

Answer:

C) x=\frac{17}{33}

Step-by-step explanation:

0.51 repeating decimal

x= 0.51515151

multiply by 100 on both sides

100x = 51.515151.........

     x=    0.515151...............

--------------------------------------------(subtract)

   99x = 51

divide by 99 on both sides

x=\frac{51}{99}

divide both sides by 3

x=\frac{17}{33}


5 0
3 years ago
A sphere has a radius of 7 millimeters. A second sphere has a radius of 4 millimeters. What is the difference of the volumes of
sattari [20]
The difference would be 371 1/3 





3 0
3 years ago
A copy machine makes 36 copies per minute. How long does it take to make 117 copies
tensa zangetsu [6.8K]

Answer:

3.25 minutes

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
in fred's catering order 5/12 of the lunches are sandwiches 2/12 are salads and 4/12 are pastas. Which equation can be used to f
GarryVolchara [31]

We can express an equation to find the fraction of the catering order that is sandwiches or salads by summing up the fractions of the sandwiches and the salads, in this case, the fraction of the sandwiches is 5/12 and the fraction of the salads is 2/12, then the equation looks like this:

c = 5/12 + 2/12, option B is the correct answer

7 0
1 year ago
Need help with this question plz!!
mel-nik [20]

Let us consider the image on the left that is the image in which 1 and 2 , 3 and 4 are connected as image 1 and the other as image 2.

1. All Vertices are connected by the least amount of edges. True

2. Vertex 1 and 2 are not connected. This is false for image

1 and true for image 2

3.  Vertex 3 and 4 are not connected. This is false for image

1 and true for image 2

4. You can get to Vertex 1 from Vertex 4 by going through Vertex 3. This is true for image 1

5 0
3 years ago
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