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Oliga [24]
3 years ago
7

(2^3)^2 (2^-2) / (2^2) (2^0)

Mathematics
2 answers:
fgiga [73]3 years ago
6 0

Answer:  4

Step-by-step explanation:

The answer is 4

Dmitry [639]3 years ago
3 0

Answer:

(2^3)^2 (2^-2) / (2^2) (2^0)

{2}^{3}  \times  {2}^{3}  \times 0 \div  {2}^{2}  \times 1 = 0

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Rationalize the denominator and simplify. 6 /5-3
sattari [20]

Answer:

-9/5

Step-by-step explanation:

Step 1: Take the LCM in the denominator

6/5-3

multiply the numerator and denominator by 5 to make the denominator 5.

<u>6</u>-<u>3</u> (x5)

5  1 (x5)

=<u>6-15</u>  

   5

= <u>-9</u>

   5

!!

6 0
3 years ago
Help!! 50 points and brainliest!
Viktor [21]

Answer:

Second choice:

x=2t

y=4t^2+4t-3

Fifth choice:

x=t+1

y=t^2+4t

Step-by-step explanation:

Let's look at choice 1.

x=t+1

y=t^2+2t

I'm going to subtract 1 on both sides for the first equation giving me x-1=t. I will replace the t in the second equation with this substitution from equation 1.

y=(x-1)^2+2(x-1)

Expand using the distributive property and the identity (u+v)^2=u^2+2uv+v^2:

y=(x^2-2x+1)+(2x-2)

y=x^2+(-2x+2x)+(1-2)

y=x^2+0+-1

y=x^2

So this not the desired result.

Let's look at choice 2.

x=2t

y=4t^2+4t-3

Solve the first equation for t by dividing both sides by 2:

t=\frac{x}{2}.

Let's plug this into equation 2:

y=4(\frac{x}{2})^2+4(\frac{x}{2})-3

y=4(\frac{x^2}{4})+2x-3

y=x^2+2x-3

This is the desired result.

Choice 3:

x=t-3

y=t^2+2t

Solve the first equation for t by adding 3 on both sides:

x+3=t.

Plug into second equation:

y=(x+3)^2+2(x+3)

Expanding using the distributive property and the earlier identity mentioned to expand the binomial square:

y=(x^2+6x+9)+(2x+6)

y=(x^2)+(6x+2x)+(9+6)

y=x^2+8x+15

Not the desired result.

Choice 4:

x=t^2

y=2t-3

I'm going to solve the bottom equation for t since I don't want to deal with square roots.

Add 3 on both sides:

y+3=2t

Divide both sides by 2:

\frac{y+3}{2}=t

Plug into equation 1:

x=(\frac{y+3}{2})^2

This is not the desired result because the y variable will be squared now instead of the x variable.

Choice 5:

x=t+1

y=t^2+4t

Solve the first equation for t by subtracting 1 on both sides:

x-1=t.

Plug into equation 2:

y=(x-1)^2+4(x-1)

Distribute and use the binomial square identity used earlier:

y=(x^2-2x+1)+(4x-4)

y=(x^2)+(-2x+4x)+(1-4)

y=x^2+2x+-3

y=x^2+2x-3.

This is the desired result.

3 0
3 years ago
Read 2 more answers
Q : <br> what 1:9 x 6 = ?
kow [346]

Answer:

the answer is \frac{2}{3}

Step-by-step explanation:

hope this helps :)

can I get brainliest plz

4 0
2 years ago
Read 2 more answers
Simplify using the order of operations.<br> 9−4 ·5+6
Aleksandr-060686 [28]

we know that the multiplication comes first in the family then we start from left to right

4 x 5= 20

9-20 = -11

-11 + 6 = -5

there you go!

3 0
2 years ago
Read 2 more answers
Steven, a tailor, got an order to make a blazer. The customer specifically asked him to save 5⁄6 of a foot of the given cloth to
xz_007 [3.2K]
To answer this question, we just need to subtract the saved cloth from the requested cloth:

\frac{5}{6} - \frac{5}{12}

Since the fractions don't have the same denominator, we have to find the least common denominator.  Luckily, since 6 goes into 12 twice, we can convert \frac{5}{6} into \frac{10}{12}:

\frac{5}{6}( \frac{2}{2}) - \frac{5}{12} = \frac{10}{12} - \frac{5}{12}

Now that the fractions have a common denominator, we can subtract them:

\frac{10}{12} - \frac{5}{12} = \frac{5}{12}

The difference between the requested cloth and the saved cloth is 5/12 of a foot, or 0.4166'.
6 0
3 years ago
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