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Galina-37 [17]
2 years ago
10

Simplify the expression. Write your answer using only positive exponents (3t^-4)

Mathematics
1 answer:
yaroslaw [1]2 years ago
3 0

Answer:

\frac{3}{t^{4}}

Step-by-step explanation:

x^-y=1/(x^y) so 3t^-4=3/(t^4)

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Answer:

D. 2.2m + 4.5

Step-by-step explanation:

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Helppppppp meeeeee plsssssss, the answer is not 20
Orlov [11]

Answer:that is a acute angle therefore it would be less then 90

Step-by-step explanation:hope that helped with at least something  

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2 years ago
1).3x-y=5
solmaris [256]

Answer:

1). y= -5+3x

2). y= -2x-13

3). y= -6x+2

4). y= -x+4

5). y≈ 0.57x

6). y=2x-9

7). Equation incomplete

8). y=3x+23

Step-by-step explanation:

1).

3x-y=5

<em>Subtract 3x from both sides</em>

-y=5-3x

<em>Multiply both sides by -1</em>

y= -5+3x

2).

y+7= -2(x+3)

y+7= -2x-6

<em>Subtract 7 from both sides</em>

y= -2x-13

3).

y= -10-6(x-2)

y=  -10-6x+12

y= -6x+2

4).

3x=12-3y

<em>Add 3y to both sides</em>

3x+3y=12

<em>Subtract 3x from both sides</em>

3y=12-3x

<em>Divide both sides by 3</em>

y= -x+4

5).

-4x-7y=0

<em>Add 4x to both sides</em>

-7y= -4x+0

<em>Multiply both sides by -1</em>

7y= 4x

<em>Divide both sides by 7</em>

y≈ 0.57x

6).

4x-2y=18

<em>Subtract 4x from both sides</em>

-2y= -4x+18

<em>Multiply both sides by -1</em>

2y=4x-18

<em>Divide both sides by 2</em>

y=2x-9

7).

y= 5-

Equation is incomplete.

8).

y-2=3(x+7)

y-2=3x+21

<em>Add 2 to both sides</em>

y=3x+23

4 0
2 years ago
A Web music store offers two versions of a popular song. The size of the standard version is 2.3 megabytes (MB). The size of the
tamaranim1 [39]

Let x = download size of the standard version.

4515 - x = download size of high quality version.

High quality was downloaded 4 times more so 4 x 4.8 = 19.2 = downloads of high quality versions.

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Cross multiply:

2.3(4515-x) = 19.2x

10384.50 -2.3x = 19.2x

Add 2.3x to both sides:

10384.50 = 21.5x

Divide both sides by 21.5:

X = 10384.50/21.5

X = 483

There were 483 downloads of the standard version.

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2 years ago
-ax+3b&gt;5 solve for x
adoni [48]

Answer:

x < 3b/a − 5/a


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