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Natali5045456 [20]
3 years ago
10

Find the square root of the following number correct up to three decimal places a 11 b 6.3 c4.2d124​

Mathematics
1 answer:
jek_recluse [69]3 years ago
3 0

Using a calculator, you should find these approximations

\sqrt{11} \approx 3.317\\\\\sqrt{6.3} \approx 2.510\\\\\sqrt{4.2} \approx 2.049\\\\\sqrt{124} \approx 11.136

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3 years ago
Yoo i need help !!! its math and i havent learned it yet
BlackZzzverrR [31]

Answer:

{f}^{ - 1} (x) = 9x + 18

Step-by-step explanation:

f(x) =  \frac{1}{9}x - 2

y = \frac{1}{9} x - 2

x =  \frac{1}{9}y - 2

x + 2 =  \frac{1}{9}y

9x + 18 = y

{f}^{ - 1} (x) = 9x + 18

4 0
3 years ago
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maria [59]
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3 years ago
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For the equation given below, evaluate y′ at the point (−2,−1).<br><br> 3xy−3x−12=0.
SSSSS [86.1K]

Answer:

Y'=3xy-3x-12

Y'=F(-2,-1)=0

Step-by-step explanation:

The function of the equation at the point (-2,-1)

is where the equation make the function go to zero:

Y'=3xy-3x-12

Y'=F(-2,-1)=[3(-2)(-1)]-[3(-1)]-12

F(-2,-1)=[6]-[-6]-12

F(-2,-1)=6+6-12

F(-2,-1)=12-12

F(-2,-1)=0

Solving for y

3xy-3x-12=0

y=4/x+x

Making y=0

\frac{4}{x}+x=0

x^{2} =-4

x=-2

So the values make the function go to zero

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2 years ago
Sarah's age is four more than twice her brothers age. Write two equivalent algebraic equations that can be used to find their ag
marissa [1.9K]

Answer:

Step-by-step explanation:

Let her brother's age be x

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3 years ago
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