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love history [14]
3 years ago
11

Two dice are thrown together. what is the probability of obtaining a triangular number? ​

Mathematics
1 answer:
-BARSIC- [3]3 years ago
4 0

Answer:

what is triangular number?

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9+4 third power x (20 -8) divided by 2+6
konstantin123 [22]
Answer: 253.5

9+4=13
--------------------------------------------
13 to the third power = 169
---------------------------------------------
20-8= 12
---------------------------------------------
2+6=8
---------------------------------------------
169 x 12 = 2028
---------------------------------------------
2028/8 = 253.5 
5 0
3 years ago
How much greater than m2+3mn−n2 is 4m2+5mn+6n2?<br> PLEASE HELP
tiny-mole [99]

Answer:

3m² + 2mn + 7n²

Step-by-step explanation:

Subtract m² + 3mn - n² from 4m² + 5mn + 6n², that is

4m² + 5mn + 6n² - (m² + 3mn - n²)

= 4m² + 5mn + 6n² - m² - 3mn + n² ← collect like terms

= 3m² + 2mn + 7n²


5 0
2 years ago
The three numbers are in the ratio 4:5:6 . If the sum of the largest and
Alexeev081 [22]

Answer:

Step-by-step explanation:

Let the 3 numbers be 4x , 5x and 6x

4x + 6x = 5x + 55

10x = 5x + 55                      Subtract 5x from both sides.

<u> 5x     5x</u>

5x = 55                                Divide by 5

x = 55/5

x = 11

Therefore the numbers are

3*11 = 33

4*11 = 44

5*11 = 55

8 0
3 years ago
choose two numbers from the list 3,4,6,12. Explain the difference between finding the greatest common factor and the least commo
zepelin [54]
3 & 6 - LCM = 3. 3's multiples are 3, 6, 9,12, 16, etc. 6's multiples are 6, 12, 18, etc. therefore, the least common multiple is 6.
GCF - 3's factors are 1, 3, and 6's factors 1, 2, 3. so the greatest common factor is 3.

6 0
3 years ago
Kaley cuts half of a loaf of bread into 4 equal parts. What fraction of the whole loaf does each of the 4 parts represent?
morpeh [17]

Answer:

The answer is 1/4

Step-by-step explanation:

When you split something into fourths, you each get 1/4 of it.

6 0
3 years ago
Read 2 more answers
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