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n200080 [17]
4 years ago
10

Please help. I’ll mark you as brainliest if correct!

Mathematics
2 answers:
Ivahew [28]4 years ago
4 0

Answer:

a= -48

b=0

Step-by-step explanation:

\sqrt[]{-6} = i\sqrt{6}

\sqrt{-384} =i\sqrt{384}

(i\sqrt{6} )(i\sqrt{384} )

i^{2} \sqrt{2304}

(-1)(48) = -48

a + bi

a= -48

b= 0

Maslowich4 years ago
3 0

Answer:

\sqrt{-6} \sqrt{-384}=\sqrt{(-6)(-384)}=\sqrt{2304}=48\\  a=48\\b=0

or

a=-48\\b=0

both solutions are correct because root square has two solutions, one positive and one negative.

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The point-slope form of the equation of the line that passes through (-4,-3) and (12, 1) is y-1 =
ivolga24 [154]

Answer:

x-4y=8

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What percent of 20 is 16?!!!<br><br>What's the answer and how do I work the problem out?!!
-Dominant- [34]

<span>16/20 is 80%.</span>

You find out by multiplying the denominator: 20 * 5 = 100

Then, you do the same to the numerator which is: 16 * 5 = x

So, x = 80%

Hope this helps! :D

7 0
4 years ago
(he was flunking school to get out of school plus he worked at kfc and loved his job, during the 11th grade btw)  
galben [10]
Use quillbot it can summarize it
4 0
3 years ago
A line with a slope of 0 passes through the point (-5, 6) . what is its equationin slope -intercept form?
IrinaVladis [17]

y = 6
the equation is the horizontal line which parts through (-5,6), since it has no slope.
3 0
3 years ago
How many elements does A contains if it has 64 subsets​
Amanda [17]
<h3>Answer:  6</h3>

===========================================================

Explanation:

Rule: If a set has n elements in it, then it will have 2^n subsets.

For example, there are n = 3 elements in the set {a,b,c}. This means there are 2^n = 2^3 = 8 subsets. The eight subsets are listed below.

  1. {a,b,c} .... any set is a subset of itself
  2. {a,b}
  3. {a,c}
  4. {b,c}
  5. {a}
  6. {b}
  7. {c}
  8. { } ..... the empty set

Subsets 2 through 4 are subsets with exactly 2 elements.  Subsets 5 through 7 are singletons (aka sets with 1 element). The last subset is the empty set which is a subset of any set. You could use the special symbol \varnothing to indicate the empty set.

For more information, check out concepts relating to the power set.

-------------------

The problem is asking what value of n will make 2^n = 64 true.

You could guess-and-check your way to see that 2^n = 64 has the solution n = 6.

Another approach is to follow these steps.

2^n = 64\\\\2^n = 2^6\\\\n = 6

Which is fairly trivial.

Or you can use logarithms to solve for the exponent.

2^n = 64\\\\\text{Log}\left(2^n\right)=\text{Log}\left(64\right)\\\\n*\text{Log}\left(2\right)=\text{Log}\left(64\right)\\\\n=\frac{\text{Log}\left(64\right)}{\text{Log}\left(2\right)}\\\\n\approx\frac{1.80617997398389} {0.30102999566399} \ \text{ ... using base 10 logs}\\\\n\approx5.99999999999983\\\\

Due to rounding error, we don't land exactly on 6 even though we should.

5 0
2 years ago
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