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weeeeeb [17]
2 years ago
6

Is it subtracting that I need to do or is it adding?

Mathematics
1 answer:
alisha [4.7K]2 years ago
4 0
You need to subtract 25 by 18
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Prove the divisibility of the following numbers:<br><br> 51^7-51^6 by 25
vampirchik [111]

To prove the divisibility lets expand each number first to get the complete picture of the problem

51^7 =   8.974106779 . 10^11

51^6 =  1.75962878 . 10^10

(51^7 - 51^6) =  8.974106779 . 10^11 -  1.75962878 . 10^10

                    = 8.798143901. 10^11

\frac{8.798143901. 10^11}{25}

= 3.51925756. 10^10

That is the answer expressed in scientific notation

= 35192575600

Which means the divisibility is proven

8 0
2 years ago
Read 2 more answers
For the sequence 3n - 1, generate the first three terms.
Hunter-Best [27]
3n - 1

When n = 1,

3n - 1 = 3*1 - 1 = 3 -1 = 2

When n = 2,

3n - 1 = 3*2 - 1 = 6 -1 = 5

When n = 3,

3n - 1 = 3*3 - 1 = 9 -1 = 8

Hence, the first three terms are 2, 5 and 8.
5 0
3 years ago
In right triangle ABC shown below, what is the<br> degree measure of ZC ?
Luden [163]

Answer:

90+30=120

180-120=60 this is degree measure

4 0
3 years ago
Write a mixed number that is equivalent to 16/3.
mars1129 [50]
A mixed number is an integer--whole number--in front of a fraction. To calculate this, you have to divide the numerator by the denominator and put the remainder over the denominator. 

Since 3 goes into 16 wholly 5 <em />times with 1 left over, 16/3 = 5 1/3.

Hope this helps!
3 0
3 years ago
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1) reflection across y = x<br> y<br> W<br> U<br> х
Romashka-Z-Leto [24]

Step-by-step explanation:

︻╦デ╤━╼︻╦デ╤━╼︻╦デ╤━╼︻╦デ╤━╼︻╦デ╤━╼︻╦デ╤━╼︻╦デ╤━╼

6 0
3 years ago
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