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belka [17]
2 years ago
7

LOL HELP I literally forgot how to do basic maths

Mathematics
1 answer:
Thepotemich [5.8K]2 years ago
3 0

Answer:

Going from left to right, 84, 31, 74, then 111 on top and 228 on bottom

Step-by-step explanation:

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In math i have to find the percent cost of 6 prices but i'm not sure how to.
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My answer got deleted for some reason, so here we go again. To convert a number to a percent, you multiply the number by 100. So if you had the number 2.4, you would multiply it by 100 to get 240%. After multiplying it by 100, simply add a percent sign, and you're done! 
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3 years ago
(3n + 8n^ + 8n2) – (8n4 – 4n2 – 7)
Amanda [17]

Answer:

- 8n^{4}  + 12n^{2}  + 11n + 7

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3 years ago
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Solve the inequality:<br>(x+2)/(x^2-3x)&gt;0​
makkiz [27]

Answer:

The inequality is equivalent to x(x+2)(x−3)>0 , with the additional conditions that x≠0 and x≠3 .

Since x(x+2)(x−3) only changes signs when crossing −2 , 0 and 3 , from the fact that the evaluating the polynomial at 4 yields 24 , we see that the polynomial is

positive over (3,∞)

negative over (0,3)

positive over (−2,0)

negative over (−∞,−2)

Thus the solution set for your inequality is (−2,0)∪(3,∞) .

Step-by-step explanation:

hi Rakesh here is your answer :)

#shadow

7 0
3 years ago
There are 376 students in 8th grade at Samuel's school. There are 47 8th graders trying out for football last Thursday. What per
statuscvo [17]

Answer:

87.5%

Step-by-step explanation:

There are 376 students in 8th grade at Samuel's school. There are 47 8th graders trying out for football last Thursday.

The number is students not trying out for football last Thursday is calculated as:

376 students - 47 students

= 329 students

The percent of 8th graders that did not try out for football is calculated as:

329 students/376 students × 100

= 329/376 × 100

= 87.5 %

8 0
2 years ago
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