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mezya [45]
3 years ago
12

Maybe Someone can help on thiss too

Mathematics
1 answer:
Rom4ik [11]3 years ago
3 0

Answer:

  -6/7

Step-by-step explanation:

The slope of the line perpendicular to DE is the negative reciprocal of the slope of DE. The slope of DE is ...

 (change in y)/(change in x) = (y2 -y1)/(x2 -x1) = (-3-4)/(1-7) = -7/-6 = 7/6

The inverse of that is 6/7, and the opposite of that inverse is -6/7.

The slope of the line perpendicular to DE is -6/7.

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Step-by-step explanation:

3 0
2 years ago
If a and b are two distinct primes, the ab2 has ___ positive divisors.
Licemer1 [7]

The number ab², where a and b are prime numbers, has 6 divisors.

<h3>How many divisors are for the given expression?</h3>

Remember that any number can be written as a product of primes, for example, 15 can be written as:

15 = 3*5

Where 3 and 5 are primes.

Such that the divisors of 15 are the factors made with the primes on the right side.

So for the number:

N = a*b^2 = a*b*b

The divisors are:

a, b, a*b, b*b

And trivially, itself and 1, so there are a total of 6 divisors.

If you want to learn more about divisors.

brainly.com/question/629998

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7 0
1 year ago
Find the least whole number N so that 2020 + N is exactly divisible by 11.
Nadusha1986 [10]

2020 + <em>N</em> ≡ 0 (mod 11)

<em>N</em> ≡ -2020 (mod 11)

Notice that 2020 = 183 • 11 + 7, so

<em>N</em> ≡ -(183 • 11 + 7) (mod 11)

<em>N</em> ≡ -7 (mod 11)

<em>N</em> ≡ 4 (mod 11)

8 0
2 years ago
Reflect A across the x-axis. Label the reflection as N, and give its coordinates.
Kipish [7]

Answer:

N (-4,3)

Once A is reflected over the horizontal line, it is (-4,3)

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3 years ago
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Step-by-step explanation:

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