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Vikki [24]
3 years ago
13

Please help and show work

Mathematics
1 answer:
Eva8 [605]3 years ago
4 0

Answer:

1) x(x+7)

3) (x+5)*(x+4)

4) (x-6)*(x-8)

5) x(2x+21)+11

6) 5(a-5)*(a+5)

7) (4x+3)*(2x-3)

8) 4( x²-6xy+8)

Step-by-step explanation:

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What is the answer to 6/7 simplified
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Hi there!

6/7 itself is already simplified in it's smallest form.

6/7 = 6/7.

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Hope this helps!
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3 years ago
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Help me please answer thanks
nasty-shy [4]

Answer:

8, 2

Step-by-step explanation:

8 * 2 = 16

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6 0
3 years ago
If a^n=b than a is the n^th root of b. True or false
dem82 [27]

Step-by-step explanation:

yes that's true

if a^n=b

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3 years ago
Decide whether you would use a permutation, a combination, or neither. Next, write the solution using permutation notation or co
Zepler [3.9K]

Answer:

Permutation is used.

No. of arrangements = 1260

Step-by-step explanation:

Permutation is used for choosing & arrangement of  'r' out of 'n' objects, when sequence is important.

Total no. of alphabets in CORRECT = 7

C is repeated twice, R is repeated twice

So, Total No. of arrangements =   <u>7 !</u>

                                                   (2!)(2!)

= 5040 / 4

= 1260

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3 years ago
Express 33 1/2% as fraction<br><br>​
zzz [600]
First you have to multiply 2x33 which is 66 then you have to add 1 which is 67 so the answer would be 67/2 I don’t know about the percent sign though
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