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Delvig [45]
3 years ago
8

I need help please ten points for question number three !!!!!!!!.......!!!!!!.....

Mathematics
2 answers:
astraxan [27]3 years ago
5 0

Answer:

what

Step-by-step explanation:

LenKa [72]3 years ago
4 0

Answer:

where is the question though

Step-by-step explanation:

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Y^3-9y^2+y-9 I don't know how to solve this can you help
aleksley [76]
I'm guessing your problem is this:
y³ - 9y² + y - 9 = 0
right?

In solving this problem, I recommend doing this:
y³ - 9y² + y - 9 = 0
Factor out a y² from the first two numbers in the problem:
y²(y - 9) + (y - 9) = 0
Separate the parentheses which means y - 9 goes on one side. The y² added a one since it came from the + 1 in the middle of expression. When you're separating parentheses like this you just take the outside numbers and combine them together. Since + 1 came from the outside of the (y - 9) and y² also was sitting on the outside of (y - 9) combine them to make y² + 1. Like this:
(y² + 1)(y - 9) = 0
Now separate your two parentheses to two separate problems:
(y² + 1) = 0    and    (y - 9) = 0
Now you're y² + 1 will equal:
y² = -1
y = √-1 <-- This number doesn't exist so it will be an imaginary number (i). If you guys didn't learn that in your class I recommend just leaving it as i for that part.
Now solve y - 9 = 0:
y = 9 <-- Since we added nine to both sides to get this.

So you're final answer should be y = i and 9
3 0
3 years ago
(2x^2)^-4 how to solve this problem
Alinara [238K]

when you simplify this you get 1/16x^8

3 0
3 years ago
Write a function in terms of t that represents the situation.
Nina [5.8K]
S(t) = S0·(1 + rate)t<span>S(t) = salary at year t
<span>S0 = starting salary = $35,000
</span>rate = 4% = 0.04
<span>t = years</span></span>
6 0
3 years ago
Read 2 more answers
Whixh list of numbers is ordered from least to greatest?
Rzqust [24]

Answer:

B is the solution

Step-by-step explanation:

-6.53 is the furthest from 0

-6 1/4 is closer to 0

6.57 is positive and more than 0

6 3/4 is also positive and more than 6.57

8 0
11 months ago
Mark which ratios are equivalent to 5/7. Mark all that apply.
HACTEHA [7]

Answer:

5/10 20/28

Step-by-step explanation:

i think only these.. hope this helps..

6 0
3 years ago
Read 2 more answers
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