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andrezito [222]
3 years ago
10

Factor completely n4-1

Mathematics
1 answer:
allochka39001 [22]3 years ago
4 0
N4-1 (n^2 +1)(n+1)(n-1)
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What is 2/5 divided by 5/7 in fraction form, not decimal
PIT_PIT [208]
Ok. In order to do this set up 2/5 divided by 5/7. The way you divide with fractions is by multiplying them but flipping the second fraction into 7/5 <---this is known as the reciprocal. In other words do:

2/5 x 7/5 =
14/25
There you go.
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3 years ago
Find the product for the following expressions: <br> (8c + 2)(5c-7)
Marianna [84]

Answer:40c^2-46c -14

Step-by-step explanation:

(8c+2)*(5c-7)

8c*(5c-7)+2(5c-7)

40c^2-56c+10c-14

40c^2-46c-14

8 0
3 years ago
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A fair spinner has 9 equal sections: 2 red, 3 blue and 4 green.
Alex17521 [72]

Answer:

The Probability of not getting two consecutive reds is 0.9506

Step-by-step explanation:

Number of sections = 9

Number of red sections = 2

Number of blue sections = 3

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So,The Probability of not getting two consecutive reds =1- \frac{4}{81}=\frac{77}{81}=0.9506

Hence The Probability of not getting two consecutive reds is 0.9506

3 0
3 years ago
Please answer the sum correctly
damaskus [11]

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4 0
3 years ago
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What is the mean of the following set of numbers?<br> 20, 14, 8, 28
tatyana61 [14]

20 + 14 + 8 + 28 = 70

70/4(we're dividing by 4 cause the no.of characters is 4)

and = 17.5

hope it really helps...!!!

4 0
2 years ago
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