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3 years ago

7

Which expressions are equivalent to 4^-3 / 4^-1

2 answers:

Masja [62]3 years ago

4 0

the answer is b and no if u thank me 937 jk

storchak [24]3 years ago

3 0

Answer:

<h3>The answer is A and B</h3>

Step-by-step explanation:

<em>Because 4 to the power of -3 divided by 4 to the power of -1 switched (Like when there is a negative exponent you move the number or variable to the other side of the fraction) and scince both have a negative number you switch both. and 1-3 is -2 so you switch it to the bottem and put a 1 at the top. </em>

<em />

<em> ^^Hope this helps!</em>

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skelet666 [1.2K]

Answer:

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Step-by-step explanation:

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To get u, by subtraction equality property subtract both sides of the equation by $\frac{1}{2} a t^{2}$ .

$\Rightarrow 9-\frac{1}{2} a t^{2}=\frac{1}{2} a t^{2}+u t-\frac{1}{2} a t^{2}$

$\Rightarrow 9-\frac{1}{2} a t^{2}=u t$

Step 2: By division equality property, divide both sides of the equation by t.

$\Rightarrow \frac{9-\frac{1}{2} a t^{2}}{t}=\frac{u t}{t}$

$\Rightarrow \frac{9}{t}-\frac{1}{2} a t=u$

Therefore, $u=\frac{9}{t}-\frac{1}{2} a t$ .

So, in Emily’s physics class, she got $u=\frac{9}{t}-\frac{1}{2} a t$ .

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3 years ago

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worty [1.4K]

First, complete the square.
y = (x^2 - 4x + 4) + 2
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4 years ago

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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