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Fed [463]
3 years ago
6

I really need help please:)

Mathematics
1 answer:
N76 [4]3 years ago
4 0

Answer: the 3rd one or the 1rst one

Step-by-step explanation:

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Determine the values of x when f(x)=40 for the function f(x)=2(x-3)^2-8
SpyIntel [72]

Answer:

x = 3 ± \sqrt{24}

or

x = 3 + \sqrt{24}, x = 3 - \sqrt{24}

Step-by-step explanation:

given f(x) = 2(x - 3)^2 - 8, find when f(x) = 40

So, we plug in 40 for f(x) in the 1st equation and solve for x.  (Aim to got x on its own)

40 = 2 (x - 3)^2 - 8

+ 8          + 8

-----------------------------

48 = 2 (x - 3)^2

/2            /2

-----------------------------

24 = (x - 3)^2

square root both sides

--------------------

\sqrt{24} = x - 3

x = 3 ± \sqrt{24}

5 0
2 years ago
- 3 (n-3)-5<br> simplify the expression using distributive property please rnnn
Tju [1.3M]
Distribute the “-3” to both n&-3 —> -3n+9 then your left with -5 and subtract 9-5

-3n+4

Hope this helps:)
4 0
3 years ago
10 points thanks to those who help
nignag [31]
A) a 45 degree angle

3 0
3 years ago
What is the difference?
strojnjashka [21]

Answer:

1.8940279x10^9+27

Step-by-step explanation:

5.972(10^{24} )-1.9(10^{27})\\5.972(1e+24) -1.9(1e+27)\\

6 0
3 years ago
Two fractions equivalent to 28/32
DanielleElmas [232]
14/16 & 7/8 Would be two Equivalent 
6 0
3 years ago
Read 2 more answers
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