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Fed [463]
2 years ago
6

Part a: a circle is the set of all points that are the same distance from one given point. find an example that contradicts this

definition. how would you
change the definition to make it more accurate? (5 points)
part b: give an example of an undefined term and how it relates to a circle. (5 points)
2 source c
Mathematics
1 answer:
Sedbober [7]2 years ago
4 0

A circle is the set of all points that are the same distance from one given point in a plane.

<h3>What is a circle?</h3>

It is the centre of an equidistant point drawn from the centre in a two-dimensional plane. The radius of a circle is the distance between the centre and the circumference.

A circle is the set of all points that are the same distance from one given point which can be treated as a sphere or a circle that contradicts this definition.

A circle is the set of all points that are the same distance from one given point in a plane.

More about the circle link is given below.

brainly.com/question/11833983

#SPJ1

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The expected profit at various selling prices for a new camera can be modeled using the regression equation
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Answer:

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Step-by-step explanation:

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2 years ago
How many meters are in 125 decimeters?
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12.5
1 decimetre is equal to 0.1 meter
Times that by 125 to get 12.5
6 0
3 years ago
Betty is canning 104 pears and 126 apples separately.each jar holds 8 pears or 6 apples. How many jars does Betty need?
nadezda [96]
Answer: 34 jars

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5 0
2 years ago
Suppose `h\left(t\right)=-5t^{2}+10t+3`is an expression giving the height of a diver above the water (in meters), t seconds afte
prisoha [69]

Answer:

Step-by-step explanation:

a) The height of the springboard above the water should be h(0) : Read, the height at t = 0

h(0) = -5(0) + 10(0) + 3

h(0) = 0 + 0 + 3

h(0) = 3

a) 3 meters

b)  The time it takes the diver to hit water should be, the positive 0 solution for t.  Remember, in a quadratic equation,  there are two values for t where a parabola crosses the horizontal axis, which in this case would be t.  Just by looking at the function, h(t) = -5t2 + 10t + 3 , one should be able to see that it cannot be factored easily, so it requires the Quadratic Formula to find the zeros ; x = -b ±√(b2-4ac)  / 2a

Substitute t for x, and use the coefficients for a, b, c:

t  =  (-10 ± √((102 - 4(-5)(3)))/2(-5)

t = (-10 ±√(100 + 60))/-10

t = (-10 ±√160)/-10) ; Now factor the 160 to simplify:

t = (-10 ±√(10*16))/-10

t = (-10 ±4√10)/-10 ; Factor out leading coefficient of -2 from the numerator:

t = -2(5 ± 2√10)/-10

t = (5 ± 2√10)/5

Using a calculator to find the zeros, and disregarding the negative zero (because t starts at 0):

t ≈ 2.265

b) approx. 2.265 seconds for diver to hit water.

c) To find this, set the function equal to 3 to find what other value for t would be equal to 3 (we know one is 0).

-5tt + 10t + 3 = 3

-5t2 + 10t = 0 ; factor out t

t(-5t + 10) = 0

We know t = 0:

We also know that -5t + 10 = 0

-5t = -10

t = 2

c) 2 seconds. This is the time that diver would equal height of t=0 which is where he started, and where he equals the height of the springboard.

d and e) The peak of the dive (parabola), is determined using the formula h = -b/2a (Derived from the Quadratic Formula) to find the y value (in this case, the h value, answering e) and then using that result in the function to find the x value (in this case, the t value answering d) of the point where the parabola (dive path) reaches a maximum(height), or minimum(in upward opening parabolas).

h = -10/2(-5)

h = -10/-10

h = 1

h(1) = -5(1)2 + 10(1) + 3

h(1) = -5 + 10 + 3

h(1) = 8

d) At t = 1 second, diver will have reached peak of dive.

e) At t = 1 second, diver will have reached a maximum height of 8 meters.

5 0
2 years ago
A size 8 kids shoe measures 9 2/3 . If 5 pairs of size 8 kids shoes are lined end to end , then how many inches will they cover
algol [13]
9 2/3*5
48 1/3
hope this helps!
7 0
3 years ago
Read 2 more answers
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