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madreJ [45]
3 years ago
10

Given that 4^-n=32 Find the value of n

Mathematics
1 answer:
ch4aika [34]3 years ago
8 0

Step-by-step explanation:

{4}^{ - n}  = 32

{2}^{ -2 n}  =  {2}^{5}

- 2n = 5

n =   \frac{ - 5}{2}

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What is 2/3 divided by 5/6
Serjik [45]
4/5. 2/3 divided by 5/6 is equivalent to 2/3 multiplied by 6/5, so the answer is 4/5.
6 0
3 years ago
Solve the quadratic equation: 3x2 + x - 5 = 0
Yuri [45]

Hey there!

3x^2 + x -5 = 0

This equation is in standard form, which is ax^2+bx+c=0.

We are going to solve this with the quadratic equation, so we need to find the values for a, b, and c in the given equation. We can just look at it and identify the variables.

a = 3, b = 1, c = -5

Let's plug these values into the quadratic equation:

x=\frac{-b\pm\sqrt{b^2-4ac} }{2a}

x=\frac{-1\pm\sqrt{1^2-4(3)(-5)} }{2(3)}

Multiply 4(3)(-5) together and multiply 2(3). Square 1.

x=\frac{-1\pm\sqrt{1+60} }{6}

Add 1 and 60.

x=\frac{-1\pm\sqrt{61} }{6}

This is our answer in exact form. If you need this as an approximate value, let me know and I will do that for you.

Hope this helps!

8 0
3 years ago
Please help me do not and please give me an explanation too please. No link please
krok68 [10]

Answer:

I'm pretty sure it's D.40 because it's the biggest number and 6+13+17 is only a bit bigger than 24. Also, all the numbers add up to 60 and 27 is only a bit less than 50% of 60

3 0
3 years ago
Simplify 5/96 - 7/54
Jobisdone [24]

Answer:

The answer is

<h2>- \frac{67}{864}</h2>

Step-by-step explanation:

<h3>\frac{5}{96}  -  \frac{7}{54}</h3>

To solve first find the LCM of the denominators

That's

The LCM of 96 and 54 is 864

So we have

<h3>\frac{5}{96}  -  \frac{7}{54}  =  \frac{5(9)  - 7(16)}{864}</h3><h3>=  \frac{45 - 112}{864}</h3><h3 />

We have the final answer as

<h3>=  -  \frac{67}{112}</h3>

Hope this helps you

5 0
3 years ago
Natalie has 300 cookies for a bake sale. She makes 8 more batches with 12 cookies in each batch. She sells 6 bags of cookies wit
vitfil [10]

Answer:

I would say it's not reasonable. the answer would be the first one

Step-by-step explanation:

6 0
3 years ago
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