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sertanlavr [38]
3 years ago
8

I will mark brainlist!!

Mathematics
2 answers:
densk [106]3 years ago
6 0

Answer:

5

Step-by-step explanation:

(keep it, change it, flip it) 4/1*5/1 = 20 or 4*5=20

so 4* 5 is the same as 4 divided by 1/5

Reika [66]3 years ago
4 0

Answer:

D. 5

Step-by-step explanation:

Dividing by a fraction is the same as multiplying by it's reciprocal

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I need help with the rest of these
Anit [1.1K]

Answer:

Step-by-step explanation:

5) 2 4/9

= 22/9

= 2.4444......

7) -1 5/6

= - 11/6

= - 1.8333.....

2) -2/11

= - 5.5

4) 1/3

= 0.3333......

6) - 13/6

= - 2.166666667

8) 13/99

= 0.1313131313......

7 0
4 years ago
Which of the following represents the additive inverse of 41?
inna [77]

Answer:

<em>Correct answer is C. -41</em>

Step-by-step explanation:

Theory:

Number + Additive inverse = 0

Therefore, Addictive inverse of 41 is

Additive inverse + 41 = 0

Additive inverse = -41

Correct answer is C. -41

7 0
3 years ago
Read 2 more answers
Can anyone help me with this question please .
Sliva [168]

Answer:

its the second one

Step-by-step explanation:

4 0
3 years ago
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I think the you have to do the sin rule but I’m not sure
pav-90 [236]

Answer:

I think so 2

Step-by-step explanation:

7 0
3 years ago
Show all work to factor x^4 − 5x^2 + 4 completely.
Mademuasel [1]

Answer:

(x+1) (x-1) (x+2) (x-2)

Step-by-step explanation:

<u>Let u = x^2</u>

= u^2 - 5u + 4

<u>(Factor u^2 - 5u + 4)</u>

= (u-1) (u-4)

<u>Substitute back u = x^2</u>

= (x^2 -1 ) (x^2 - 4)

<u>Factor x^2 - 1 and x^2 -4</u>

= (x+1) (x-1) (x+2) (x-2)

Hope this helped... :)

If you need to see the work for yourself, copy/paste this link

https://www.symbolab.com/solver/factor-calculator/factor%20x%5E%7B4%7D%20%E2%88%92%205x%5E%7B2%7D%20%2B%204%20

3 0
3 years ago
Read 2 more answers
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