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3 years ago

Find the midpoint of line segment with the given endpoints

Mathematics

2 answers:

Anarel [89]3 years ago

7 0

Answer:

your answer is -3, -0.5

Step-by-step explanation:

Hoochie [10]3 years ago

5 0

Answer:

(-3,-0.5)

Step-by-step explanation:

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A box of 6 eggs costs £1.80. Work out how much a<br> box of 10 eggs would cost.

telo118 [61]

Answer:

Step-by-step explanation:

1.80 x 10 = 18.0

5 0

3 years ago

If the endpoints of the diameter of a circle are (−8, −6) and (−4, −14), what is the standard form equation of the circle? A) (x

Andrei [34K]

Answer:

$\large\boxed{A.\ (x+6)^2+(y+10)^2=20}$

Step-by-step explanation:

The standard form of an equation of a circle:

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

(h, k) - center

r - radius

We have the endpoints of the diameter of a circle (-8, -6) and (-4, -14).

The midpoint of a diameter is a center of a circle.

The formula of a midpoint:

$\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)$

Substitute:

$x=\dfrac{-8+(-4)}{2}=\dfrac{-12}{2}=-6\\\\y=\dfrac{-6+(-14)}{2}=\dfrac{-20}{2}=-10$

We have h = -6 and k = -10.

The radius is the distance between a center and the point on a circumference of a circle.

The formula of a distance between two points:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Substitute (-6, -10) and (-8, -6):

$r=\sqrt{(-8-(-6))^2+(-6-(-10))^2}=\sqrt{(-2)^2+4^2}=\sqrt{4+16}=\sqrt{20}$

Finally we have

$(x-(-6))^2+(y-(-10))^2=(\sqrt{20})^2\\\\(x+6)^2+(y+10)^2=20$

5 0

4 years ago

Read 2 more answers

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dedylja [7]

Answer:

u ok?

Step-by-step explanation:

4 0

3 years ago

Find x intercepts of polynomial =a^2+16+64

Anuta_ua [19.1K]

Answer:

Step-by-step explanation:

I think you mean a^2 + 16a + 64.

The x-intercepts are the values of a for which the polynomial equals zero.

a^2 + 16a + 64 = (a+8)^2 = 0

a = 8

The x-intercept is 8.

7 0

3 years ago

What are the differences between pyramids and cones?

stepan [7]

Answer:

Pyramids are triangular in shape with a sided shape, whereas cones have circular bases that merely adjoin at a point.

Step-by-step explanation:

5 0

3 years ago

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