3 years ago

The polygons are similar. Find the value of X.

Mathematics

1 answer:

weqwewe [10]3 years ago

3 0

Answer:

the polygon on the right side is doubled the size of the one on the left, therefore x=11

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Look at the image for the question?

alekssr [168]

Answer:

Surface area = the sum of the area of all six sides:

(11 · 10) + (11 · 10) + (11 · 8) + (11 · 8) + (8 · 10) + (8 · 10)

= 110 + 110 + 88 + 88 + 80 + 80

= 220 + 176 + 160

= 556 ft²

6 0

3 years ago

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Find the focus of the parabola whose equation is y=1/8 x^2

Mama L [17]

Answer:

The focus is: $(0,2)$

Step-by-step explanation:

Given

$y = \frac{1}{8}x^2$

Required

Determine the focus

The focus of a parabola

$(x- h)^2 = 4p(y - k)$

is:

$(h,k+p)$

So, we have:

$y = \frac{1}{8}x^2$

Cross multiply

$8y = x^2$

Rewrite as:

$x^2 = 8y$

Rewrite as:

$(x - 0)^2 = 8(y - 0)$

Express 8 as 4 * 2

$(x - 0)^2 = 4 * 2(y - 0)$

By comparison with: $(x- h)^2 = 4p(y - k)$

$h = 0$ $p =2$ $k = 0$

So, the focus $(h,k+p)$ is:

$(h,k+p) = (0,0+2)$

$(h,k+p) = (0,2)$

7 0

3 years ago

A circle has a diameter of 5 meters and a square has a side length of 5 meters. Which has a greater area.

Nadya [2.5K]

The square. The square's area is 5x5, which is 25. The circle's is 5*pi/3.14.

7 0

4 years ago

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Eighteen is less than the sum of a number x and negative 3

Hatshy [7]

Answer:

18 < x + (-3)

Step-by-step explanation:

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I really don't understand these two equations to find y. 1. 2y+3x=-6. 2. x+0.25y=1.5

LenaWriter [7]

Y=-3x/2-3

y=-4x+6

that is you answer

8 0

3 years ago