2 years ago

15 pts and brainliest, true, correct answers only If N∈AB and AN= 1 3 · AB, then BN = · AB.

Mathematics

1 answer:

laiz [17]2 years ago

4 0

Answer:

Step-by-step explanation:

Not sure, i'm sorry

should be the same logic as

a=b

b=c

a=c

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Solve 5w^2+25=115, Where w is a real number.

MArishka [77]

Answer:

w=+/-4.24 or whatever could be either since its squared

Step-by-step explanation:

subtract 25 so 5x^2=90. divide by 5 so w^2=18 then square root to get rid of the ^2 so w=+/-4.24

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2 years ago

What is the inverse of the function f(x) = 2x + 1?

BaLLatris [955]

Answer:

$f^{-1} = \frac{x-1}{2}$

Step-by-step explanation:

$f(x) = 2x+1$

Replace it with y

$y = 2x+1$

Exchange the values of x and y

$x = 2y+1$

Solve for y

$x = 2y+1$

Subtracting 1 from both sides

$2y = x-1$

Dividing both sides by 2

$y = \frac{x-1}{2}$

Replace it by $f^{-1}$

So,

$f^{-1} = \frac{x-1}{2}$

3 0

3 years ago

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Anestetic [448]

Answer:

1. 2 1/4

2. 8.25

3. 8 6/8

4. 51.18

5. 56.875

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Step-by-step explanation:

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2 years ago

If the value of x is negative what must be true about 10 - x

Klio2033 [76]

If x is negative, then 10-x must be positive.
for example: let's say x=-1. then 10-(-1)=11

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3 years ago

"calculate the number of permutations possible when using the first five letters of the alphabet to create 3-letter words.

Hitman42 [59]

That is 5! / (5-3)! = 120 / 2 = 60 answer

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3 years ago