Can I have some help please

Mathematics

1 answer:

Maurinko [17]3 years ago

5 0

Answer:

-8

Step-by-step explanation:

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write a linear equation that models the cost y of one person going on X rides at the fair graph the equation

Sveta_85 [38]

constant cost of 12

$1 for rides.

the number of rides you take is unknown, x

so its f(x) = 1x +12 or x+12

so if you rode 20 rides its

f(20) = 20+ 12 =32

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4 years ago

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3 years ago

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Does the point (-4, 2) lie inside or outside or on the circle x^2 + y^2 = 25?

stiv31 [10]

Given equation of the Circle is ,

$\sf\implies x^2 + y^2 = 25$

And we need to tell that whether the point (-4,2) lies inside or outside the circle. On converting the equation into Standard form and determinimg the centre of the circle as ,

$\sf\implies (x-0)^2 +( y-0)^2 = 5 ^2$

Here we can say that ,

• Radius = 5 units

• Centre = (0,0)

Finding distance between the two points :-

$\sf\implies Distance = \sqrt{ (0+4)^2+(2-0)^2} \\\\\sf\implies Distance = \sqrt{ 16 + 4 } \\\\\sf\implies Distance =\sqrt{20}\\\\\sf\implies\red{ Distance = 4.47 }$