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MArishka [77]
3 years ago
11

Prove the divisibility of the following numbers: 7^6+7^5−7^4 by 11

Mathematics
2 answers:
NARA [144]3 years ago
6 0

Answer:

11

Step-by-step explanation:

Dovator [93]3 years ago
6 0
I strongly believe its 11
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Find the sum: 4√3+11√12 <br> 15√15 <br> 15√3 <br> 26√3 <br> 48√3
sasho [114]

Answer:

26√3

Step-by-step explanation:

4√3+11√12

We know that sqrt(ab) = sqrt(a) sqrt(b)

4√3+11\sqrt{4} \sqrt{3}

4√3+11*2 \sqrt{3}

4√3+22 \sqrt{3}

Combine like terms

26√3

3 0
3 years ago
Read 2 more answers
What is the area of this figure?<br> 5 yd/<br> 5 yd<br> 5 yd<br> 5 yd
Misha Larkins [42]

Answer:

37.5

Step-by-step explanation:

split in the middle, 5×5=25/2=12.5

12.5= triangle

5×5=25

25=square

12.5+25=37.5

6 0
3 years ago
Write an equation for (2,7) (3,4)
HACTEHA [7]

Answer: y=-3/1x+13

Step-by-step explanation: I just graphed the two points then found there slope and then I finished the line with the slope and then when I knew what was the y-intercept I finished the problem

3 0
3 years ago
Which of the following is equal to the rational expression when x -2 or -6?
kykrilka [37]

The given expression is

f(x) = \frac{3(x+2}{(x+2)(x+6)}

And since we have x+2 common in numerator and denominator, there is a hole at x+2=0, that is at x=-2

And a function is undefined when denominator is zero. And at x=-6, denominator become zero.

So, at x=-6, the function is undefined, or there is a vertical asymptote at x=-6 and hole at x=-2 .

4 0
3 years ago
Simplify the following expression. Write the resulting polynomial in descending order.
Inessa [10]

Answer: 4x² + x - 2

Step-by-step explanation: First distribute the -2x into (1-3x) which = -2x + 6x²

Now let's work on the second part:

Distributing (2x + 3) to (3x - 2) = 6x² - 4x + 9x - 6. Combining like terms: 6x² - 4x + 9x - 6 --> 6x² + 5x - 6. Now let's combine the like factors of our two equations which equals

12x² + 3x - 6. Now reduce by dividing by 3 which gives us the final answer of:

4x² + x - 2.

7 0
3 years ago
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