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notka56 [123]
3 years ago
10

Find the inverse of y= 2x^2-8​

Mathematics
1 answer:
ahrayia [7]3 years ago
4 0

Answer:

f

−

1

(

x

)

=

√

2

(

x

+

8

)

2

,

−

√

2

(

x

+

8

)

2

Step-by-step explanation:

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⚠️HELP PLZZZ ⚠️‼️help plz I’ve been on this question for an while now and I don’t understand
NemiM [27]

Answer:

3:6

Step-by-step explanation:

8:24 and 24:72 reduce down to 1:3. 3:6 is 1:2.

6 0
2 years ago
Match the base to the corresponding height.
allochka39001 [22]

Answer:

I can't see the picture

Step-by-step explanation:

SORRY :(

7 0
2 years ago
Answer these 12 questions
frutty [35]

Answer:

Step-by-step explanation:

1) 7x - 14 =  2x + 11    {Add 14 to both sides}

  7x - 14 +14 = 2x + 11  +14

7x  = 2x + 25

7x - 2x = 2x + 25 - 2x

5x = 25           {Divide both sides by 5}

5x/5 = 25/5

x = 5

 

2) 6x + 5 = 3x + 14

6x = 3x + 14 - 5

6x = 3x + 9

6x - 3x = 9

3x = 9

x = 9/3

x = 3

3) 12x + 5 = 4x +37

12x = 4x + 37 - 5

12x = 4x + 32

12x - 4x = 32

8x = 32

x = 32/8

x = 4

4) 3x + 8 = 2x + 21

3x  = 2x + 21 - 8

3x = 2x + 13

3x - 2x = 13

x = 13

5)  5x + 3 = x + 11

5x = x + 11 -3

5x = x + 8

5x - x = 8

4x = 8

x= 8/4

x = 2

6 0
2 years ago
Tell whether the ordered pair is a solution of the linear system (-24,-10)
Dovator [93]

Answer:

IT is not

Step-by-step explanation:

Let's replace. If it's a solution, it means that BOTH equations has to be true.

\left \{ {{-10=-5(-24)+22} \atop {-2(-24) +6(-10)=-12} \right.

Now, the second equations seems good - 48-60 =-12 indeed.

First alas isn't. RHS is 142, which is totally not the same as -10.

8 0
2 years ago
A population of 100 frogs has a growth rate of 1.25% each month. At this growth rate,
Dmitriy789 [7]

Answer: 7.2 months

Step-by-step explanation:

Hi, to answer this question we have to substitute f(x) =500 in the equation given:

f(x) = 100(1.25)^x

500= 100(1.25)^x

Solving for x (number of months)

500/100 = 1.25^x

5 = 1.25^x

log 5 =log 1.25^x

log 5 =x (log 1.25)

log 5 /log 1.25 =x

x = 7.2 months

Feel free to ask for more if needed or if you did not understand something.  

8 0
3 years ago
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