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ASHA 777 [7]
3 years ago
9

I need help with this question it's for a important grade so pls really help.​

Mathematics
1 answer:
iogann1982 [59]3 years ago
4 0

Answer:

Check pdf

Step-by-step explanation:

Download pdf
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4y (4y - 4) - 4 (-4 + 5 + 4y²)<br><br> please simplify &lt;3
sasho [114]

Answer:

16y - 4

Step-by-step explanation:

4y(4y - 4) - 4(- 4 + 5 + 4y^2)

16y - 16y - 4(1 + 4y^2)

16y - 16y - 4(4y^2 + 1)

16y^2 - 16y^2 + 4

16y - 4

5 0
3 years ago
Create two different real-world scenarios—one in which you would use permutations and one in which you would use combinations: I
LenKa [72]
Permutation: In a race of 10 students, find the number of ways students can finish 1st, 2nd, and 3rd. In this case the order matters, so it is a permutation.
10 x 9 x 8 = 720 ways

Combination: In a class of 10 students, find the number of ways a group of 3 students can be selected to win a prize. In this case the order doesn't matter, so it's a combination.
10 x 9 x 8 / (3 x 2 x 1) = 120 ways
6 0
3 years ago
If u add 5 to me and then divide by 9,u get 3. What number amI?
STatiana [176]
You are 22. If you add 22+5 you get 27. And if you divide 27 by 9 you get 3. So it is 22
6 0
3 years ago
Read 2 more answers
A bag contians 15 navy and 26 violet marbles.Amarbleis drawn at random.What is the theoretiacl probttly of drwaing a violet marb
telo118 [61]

Answer:26/41

Step-by-step explanation:

Cause 15 plus 26 =41 Hope this was helpful :)

8 0
3 years ago
Tom has 12 reports to file. If each report takes an average of 45 minutes to file, how long will it take him to file 75% of them
Jobisdone [24]

Alright, lets get started.

One report takes to file an average of = 45 minutes

Means 12 reports takes to file time = 12 * 45 = 540 minutes

12 reports filing total time = 540 minutes

We are asked to find time to file 75 % of them.

Which means 75 % of 540

= 540 * 75/100

= 540 * 0.75

= 405 minutes

We could convert it into hrs dividing with 60.

405 / 60 = 6.75 hrs

Means it will take 6.75 hrs to file 75% of them: Answer

Hope it will help :)

8 0
3 years ago
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