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3 years ago

How do you make 10 when adding 8+5

Mathematics

2 answers:

Alexus [3.1K]3 years ago

3 0

8+5=13
13-3=10
That is the answer

goldfiish [28.3K]3 years ago

3 0

8 + 5 is 13 so 13-3=10 and that is your answer

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Solve for the missing value in the proportion:

OverLord2011 [107]

Answer:

Step-by-step explanation:

6/9=18/27

I just divided 27 by 3 which is 9

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2 years ago

Find the largest prime divisor of $15^6 - 7^6$<img src="https://tex.z-dn.net/?f=Find%20the%20largest%20prime%20divisor%20of%20%2

Novosadov [1.4K]

Answer:

Largest prime factor of the given expression is <em>379.</em>

Step-by-step explanation:

Given the expression:

$15^6 - 7^6$

To find:

The largest prime factor of the given expression.

Solution:

First of all, let us factorize the given expression.

$15^6 - 7^6\\\Rightarrow (15^3)^2 - (7^3)^2\\\\\text{Using } x^{2} -y^2 = (x+y) (x-y)\\\\\Rightarrow (15^3+7^3)(15^3-7^3)$

Let us learn two formula:

$x^3+y^3 = (x+y)(x^2+y^2-xy)$

$x^3-y^3 = (x-y)(x^2+y^2+xy)$

Applying the above formula in the expression written above:

$(15^3+7^3) = (15+7)(15^2+7^2-15\times 7)\\\Rightarrow 22(225+49-105 ) = 2 \times 11 \times 169 \\\Rightarrow 2 \times 11\times 13\times 13\\\Rightarrow 2 \times 11\times 13^2$ ...... (1)

Similarly:

$(15^3-7^3) = (15-7)(15^2+7^2+15\times 7)\\\Rightarrow 8(225+49+105 ) = 2^3 \times 379$ ........ (2)

Multiplying the expressions from (1) and (2) to get the result:

$\therefore 15^6 - 7^6 = 2^4 \times 11 \times \underline{\bold{379}} \times 13 ^2$

So, largest prime factor of the given expression is <em>379.</em>

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2 years ago

497÷3I need help please

Alex Ar [27]

The answer is 165.6 hope this helps

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2 years ago

Read 2 more answers

Plz help me with this and plz show ur work!?! :)

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Answer:

Total height lowered = 75m

No of times balloon lowered = 5

Height lowered in each lowering = Total height lowered / No of times balloon lowered

= 75 / 5

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The number indicated that each time balloon is lowered by 15 m

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2 years ago

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sergij07 [2.7K]

Answer:

Step-by-step explanation:

IV does not represent y as the function of x since the ordinates share the same abscissa. As we can see in the graph {(4,-1),(4,4),(-4,-1),(-4,4)}

Mark me as brainliest char

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2 years ago