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siniylev [52]
3 years ago
11

2{3[a-4(1-a)]-(5-a)} help me simplify the operation

Mathematics
1 answer:
AveGali [126]3 years ago
4 0
Using order of operations, I simplified this down to -24+22a.

I hope this helps, and let me know if you need more explanation!
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A swimming class has 20 students. Only 8 students know how to dive off
Allisa [31]

Answer: 40%  

Step-by-step explanation:

To write 8/20 as a percent have to remember that 1 equal 100% and that what you need to do is just to multiply the number by 100 and add at the end symbol % . 8/20 * 100 = 0.4 * 100 = 40% And finally we have: 8/20 as a percent equals 40%

6 0
3 years ago
make up an equation in the form of an y=kx +b, the graph which passes through the following points: (5,5) and (-10,-19)
Oksana_A [137]

Answer:

y = 8/5x - 3

Step-by-step explanation:

First, find the slope using rise over run (y2 - y1) / (x2 - x1)

(y2 - y1) / (x2 - x1)

(-19 - 5) / (-10 - 5)

-24 / -15

= 8/5

Plug in the slope and a given point into y = mx + b, and solve for b

y = mx + b

5 = 8/5(5) + b

5 = 8 + b

-3 = b

Plug in the slope and b into y = mx + b

y = 8/5x - 3

So, the equation is y = 8/5x - 3

8 0
3 years ago
Pls help meh<br><br> 6th grade math
defon

Answer:

100%

Step-by-step explanation:

It says 38 out of 38 votes were for hunger relief. If it were like that, it would be 100%. Same as if it were 22 out of 22 votes. Like, think about if you were taking a test with 20 questions, and you got 20 questions right. You'd get a hundred percent, right? Same thing here, just a different equation.

Hope this helps

6 0
2 years ago
Read 2 more answers
Please answer clear i need answers now please
Salsk061 [2.6K]

Answer:

The answers would be:

9: $421.54

10: $872

11: $4,706.66

12: $645.83

13: $626.26

14: $3,981.22

15: $1,110.28

16: $210.50

5 0
2 years ago
What's the slope of the line?
DedPeter [7]

Answer:-2/3

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
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