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4 years ago

Solve log2(x) = 4.5, accurate to two decimal places.

Mathematics

2 answers:

Dimas [21]4 years ago

8 0

The exact answer is 22.627416998, which is rounded to 22.63.

I hope this helped!

n200080 [17]4 years ago

3 0

The answer of the question is 22.627416998

hope I helped...

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Complete the equation of the line through (-10,-7) and (-5, -9). Use exact numbers,

steposvetlana [31]

Answer:

$y=\frac{-5}{2}*x + 18$

Step-by-step explanation:

A line in 2-dimensional space has the following general equation:

$y=m*x+b$

Where m is the slope of the line, and b just a number

the slope can be obtaine using th following formula:

$m=\frac{x_{2} - x_{1} }{y_{2} - y_{1}}$

The point 2 is the one with the smallest value for x, that is (-10,-7) and the Point 1 is any other that belongs to the line, in this case, (-5,-9)

$m=\frac{-5 - (-10) }{-9 - (-7)}$

Resulting that $\frac{-5}{2}$

To find the other term we can use any other point, I prefer us the first one so...

We have the following equation:

$-7=\frac{-5}{2}*(-10)+b$

Resulting that b=18

I just have to eval the point (-10,-7) in the equation stated at the beginning knowin that m was calculated previously.

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3 years ago

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The solution for the following system of linear equation 3m-2n=13 is (2,-1) true or false

Tanya [424]

Answer:

Not True

Step-by-step explanation:

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3 years ago

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So when you add 3+4 you get 7, but what if you divide 7 by 4? Do you still get 3?

krek1111 [17]

No you wouldn’t it would be a different answer

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3 years ago

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What is the range of the function f(x)=7-3x when the domain is {-4, -2, 0, 2}?

klemol [59]

Answer:

{19,13,7,1}

Step-by-step explanation:

Since the domain is the input we have to plug in each of those numbers to get the range ( or the output.) When we plug in -4 we get 19. When we plug in -2 we get 13, when we plug in 0 we get 7 and when we plug in 2 we get 1. (:

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3 years ago

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D is the correct answer

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