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Novosadov [1.4K]
4 years ago
7

What property is shown by the equation?

Mathematics
1 answer:
galben [10]4 years ago
6 0

wait what is it i needddd helllpppp


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Find the inverse of the function y = x^2 + 12x
PilotLPTM [1.2K]

Answer:

y=x\\

x=y^{2} + 12y\\

y^{2} + 12y -x = 0\\

Delta = (12^{2}) - 4.1.(-x) = 144 +4X = 36.(4+x)

\sqrt{Delta} = 6 . \sqrt{(4+x)} \\

y' = \frac{-12 + 6.(\sqrt{(4+x)}}{2} = -6 + 3.\sqrt{(4+x)}\\

y" = -6 - 3.\sqrt{(4+x)}\\\\

y' = 3.\sqrt{(4+x)} - 6\\

y''= -3.\sqrt{(4+x)} - 6\\

7 0
3 years ago
Last question! Any explanation is appreciated, sorry for bad quality
Lesechka [4]

Answer:

1/2

Step-by-step explanation:

When you have two points you need to use the slope formula:

m=\frac{y_{2}-y_{1} }{x_{2}-x_1}

x1 and y1 is the first point and x2 and y2 is the second point, remember that the first number is X and the other is Y so...

m=\frac{5-4}{3-1} \\m=\frac{1}{2}

1/2 is the slope of the points

3 0
3 years ago
What is the place value of 2 in the following numbers 48102​
matrenka [14]
2 is in the ones place
6 0
2 years ago
What is $20.00 less than 2.5 times the amount of $64.80
Lera25 [3.4K]
Ok so first you take $64.80 and multiply it by 2.5. You get $162. Now take $162 and subtract $20 from it. You are left with $142.
6 0
4 years ago
Read 2 more answers
Cruz is training to compete in a triathlon. He left his house at 6:00 and ran until 7:30. Then he rode his bike until 9:45. He c
alexandr402 [8]

Answer: Cruz's biking is 16 miles per hour and his running speed is 10 miles per hour.

Step-by-step explanation:

Let x represent Cruz's speed when running.

He left his house at 6:00 and ran until 7:30. This means that the time spent while running is 1hour 30 minutes = 1.5 hours.

Distance = speed × time

Distance covered while running would be

1.5 × x = 1.5x

Then he rode his bike until 9:45. This means that the time he spent riding his bike is 2hours 15 minutes = 2 hours + 15/60 = 2.25 hours

His speed when biking was 1.6 times his speed when running. It means his speed when biking would be

1.6 × x = 1.6x

Distance covered while riding would be

1.6x × 2.25 = 3.6x

He covered a total distance of 51 miles. Therefore,

1.5x + 3.6x = 51

5.1x = 51

x = 51/5.1 = 10 miles per hour.

His biking speed would be

1.6 × 10 = 16 miles per hour.

5 0
3 years ago
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