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Law Incorporation [45]
2 years ago
10

Evaluate the expression.

Mathematics
2 answers:
grigory [225]2 years ago
8 0

Answer:

1/9

Step-by-step explanation:

3^-2

We know that a^-b = 1/a^b

1/3^2

1/9

stiv31 [10]2 years ago
6 0

Answer:

1/9, decimal form = 0.1 repeating

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Can someone tell me what 1/2 - 1/6 is would really appreciate it, thanks
timama [110]
Make denominator same first.

1/2 - 1/6

3/6 - 1/6

Now subtract numerators

(3-1) / 6

2/6

Now simplify

1/3

Final answer: 1/3
5 0
3 years ago
7x+3x+3=4x+6 what is x
vovikov84 [41]

Answer:

x = 1/2

Step-by-step explanation:

<em>Simplify the sides of the equation...</em>

<em>10x + 3 = 4x + 6</em>

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

<em>10x = 4x + 3</em>

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

<em>6x = 3</em>

<em>Divide by 6</em>

<em>x = 1/2</em>

<em />

<em>Thank me later :)</em>

<em>(or just give brainliest)</em>

<em />

7 0
3 years ago
Read 2 more answers
Look at image. reflection across y= -2​
Annette [7]

Answer:

S is -2,-3   r -3,-4   R  0,-5

Step-by-step explanation:

is the reflection points :)

6 0
3 years ago
What is the LCM of 3,5,7
Lubov Fominskaja [6]

Answer:

The least common multiple would be 105.

Step-by-step explanation:

You would do list out the multiples for each. Or multiply

Since 3 x 30 is 90, and 3 x 5  is 15, This is 105

And since 5 x 20 is 100, and 5 x 1 is 5, This is 105 as well

Also, since 7 x 10 is 70, and 7 x 5 is 35, This is 105.

The LCM is 105

Have a great Day!

4 0
3 years ago
If line lis parallel to line m, find the value of x and y. (please help taking a test)
castortr0y [4]

Answer:

x=8 and y=21

Step-by-step explanation:

12x-28=7x+12 (the 2 angles are equivalent)

12x-7x=12+28

5x=40

x=8

9y-77 + 12x-28 =180 (the sum of those 2 angles is a flat angle (180°))

9y-77+12*8-28=180

9y=180+28+77-96

9y=189

y=21

3 0
2 years ago
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