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3 years ago

6

Help me I need it right now please please show work answer it correctly please

1 answer:

creativ13 [48]3 years ago

4 0

It would be 14 soddol

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Lin runs 5 laps around a track in 4 minutes. How many minutes per lap is that?

Serhud [2]

Answer:

1.25 minutes per lap

Step-by-step explanation:

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3 years ago

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rjkz [21]

A b c is the order of answers

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3 years ago

What is the volume of the following rectangular prism? 3/20 2/3 units? 20 2

emmasim [6.3K]

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23.6 units is the answer

5 0

3 years ago

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Please help. and please explain the process too

denis-greek [22]

The polynomial as per the given of the problem is f(x)=3x²-21x+30
Find the roots of this polynomial:
x₁=[-b+√b²-4ac)]/2a and x₂ =[-b-√b²-4ac)]/2a
Plug in : x₁ = [21+√(21²-4(3)(30)]/6 = [21+√81}/6 ; x₁ = 5
and x₂ = [21-√(21²-4(3)(30)]/6 = [21-√81]/6 ; x₂ = 2
Remark: I don't understand where did you bring √5 , it should be 5

6 0

4 years ago

Can you help me with these two questions please !!!!

zubka84 [21]

Answer: $(x+2)^{2}+(y-4)^{2} =16$

and

$(x-6)^{2} +(y+4)^{2} =20$

Step-by-step explanation:

Equation for a Circle

$(x-h)^{2} +(y-k)^{2} =r^{2}$

h= -2 k= 4 r= 4

$(x+2)^{2}+(y-4)^{2} =16$

Part 2

Complete the Square

$x^{2} +y^{2} -12x+8y+32=0\\(x^{2}-12x+-)+(y^{2}+8y)=-32\\(x^{2} -12x+36)=(y^{2} +8y+16)=-32+36+16\\\\(x-6)^{2} +(y+4)^{2} =20$

6 0

3 years ago

Read 2 more answers