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iris [78.8K]
3 years ago
7

Use the rules of exponents to evaluate and simplify the following expression. Type all without negative exponents.

Mathematics
1 answer:
mario62 [17]3 years ago
5 0
For this case we have the following expression:
 (ab) ^ - 2
 Rewriting the expression we have:
 (ab) ^ - 2 = 1 / (ab) ^ 2
 Then, for power properties we have:
 1 / (ab) ^ 2 = 1 / (a ^ 2b ^ 2)

 Answer:
 The simplified expression is:
 
1 / (a ^ 2b ^ 2)
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25% of 40 emails were spam how many emails were spam
mixer [17]
10. 25% of 40 or 0.25 times 40 gives you 10.

also 25% = 1/4
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3 years ago
I am in need of some serious help here, I skipped this last time so I got a bad grade
lesantik [10]
1. ab= 6 x 3 = 18             1) = 18

2. c + 4 = 2 + 4 = 6           2) = 6

3. a/b = 6/3 = 2                 3) = 2

4. a - b - 6 - 3 = 3             4) = 3

5. 2c = 2(2) = 4                5) = 4

6. b/3 = 3/3 = 1                6) = 1

7. a - 1 = 6 - 1 = 5           7) = 5

8. 6 + c= 6 + 2 = 8          8) = 8
8 0
2 years ago
The diagram shows a regular pentagon with centre 0. Work out the size of angle x.
kherson [118]

Step-by-step explanation:

1. Use exterior angles (each adds up to 360) to find interior angles

2. Add this together

3.Take it away from 360

6 0
3 years ago
The Zigzag River is 114 miles longer than twice the Petite River. If the Petite River is 46 miles long, how long is the Zigzag R
emmasim [6.3K]
Z = 114 + 2p
p = 46

Plug in 46 for 'p' in the first equation.

z = 114 + 2p

z = 114 + 2(46)

Multiply:

z = 114 + 92

Add:

z = 206

So the Zigzag river is 206 miles long.
5 0
3 years ago
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Gwar [14]
(-11,-3) (-6,7)
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8 0
2 years ago
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