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tresset_1 [31]
3 years ago
10

So I have a math presentation in a couple of minutes do you have any advice to boost my confidence?

Mathematics
1 answer:
Sedaia [141]3 years ago
3 0

Answer:

keep calm and believe in yourself

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40x + 60 = 20. what does x equal?
Elena-2011 [213]

Subtract 60 on both sides to get -40.

You are left with 40x=-40

Divide both sides by 40 to leave x by itself.

You get x=-1.

7 0
3 years ago
Read 2 more answers
Find the zeros f(x)=2x^2+9+10x
Rudiy27

Answer:

<u>−5±√7</u>

   2

hope it helped!

4 0
2 years ago
Using the graph as your guide, complete the following statement.
Mama L [17]
There Is no picture so I can see what you are talking about
8 0
2 years ago
Please I need this quick!!! 15 points
professor190 [17]
Let the number be n.

Then:

n^2 + (1/n)^2 = 82/9; find n.  Find the LCD; it is 9n^2.

Mult all 3 terms by 9n^2:
                                                                  82*9n^2
9n^4 + 9 = (82/9)(9n^2)  =>    9n^4 + 9 = ------------  
                                                                        9
Then 9n^4 - 82n^2 + 9 = 0

I used my graphing calculator to find that n = 3.  

Let's check:     is 3^2 + (1/3)^2 = 82/9?
                        Is   9   + 1/9 = 82/9?
                        Is  81 + 1 = 82?   YES.  So, n=3 is a solution.

7 0
3 years ago
Anyone know the answer??
victus00 [196]

Answer:

Spruce

Step-by-step explanation:

7 0
2 years ago
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