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3 years ago

10

Three same-sized cubes are attached to the top of a rectangular prism as shown below. If a = 13 cm, b = 21 cm, and c = 3 cm, wha

t is the surface area of the figure?
Write your answers as square centimeters

1 answer:

aalyn [17]3 years ago

3 0

Answer:

819

Step-by-step explanation:

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76 divided 19 using an array

Sav [38]

It’s 4, I hope it helps!!

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3 years ago

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1 2 TIME REMAIN 50:24 How could Theo check his work? Check all that apply. Theo solved n + 5 = 11 for the unknown. The steps he

elena-14-01-66 [18.8K]

Answer:

so first you do the work than check

Step-by-step explanation:

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3 years ago

The path followed by a roller coaster as it climbs up and descends down from a peak can be modeled by a quadratic function, wher

Romashka [77]

Answer:

$y = -0.1x^2 + 250 ft$

Step-by-step explanation:

Because this quadratic equation would have the curve-down form of:

$y = -ax^2 + b$

where a and b are positive coefficient.

If we let the peak (250 ft) of the curve be at x = 0. Then

$y = -a0^2 + b = 250$

$b = 250$

Also at the begins and ends, thats where y = 0, the 2 points are separated by 100 ft. So let the begin at -50 ft and the end at 50ft. We have

$-a(\pm 50)^2 + 250 = 0$

$-a2500 = -250$

$a = 250/2500 = 0.1$

Therefore, the model quadratic equation of our path would be

$y = -0.1x^2 + 250 ft$

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3 years ago

A region R in the xy-plane is given. Find equations for a transformation T that maps a rectangular region S in the uv-plane onto

ruslelena [56]

X(u, v) = (2(v - c) / (d - c) + 1)cos(pi * (u - a) / (2b - 2a))
y(u, v) = (2(v - c) / (d - c) + 1)sin(pi * (u - a) / (2b - 2a))

As v ranges from c to d, 2(v - c) / (d - c) + 1 will range from 1 to 3, which is the perfect range for the radius. As u ranges from a to b, pi * (u - a) / (2b - 2a) will range from 0 to pi/2, which is the perfect range for the angle. So, this maps the rectangle to R.

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3 years ago

Sidana [21]

Answer:

- 0.83

Step-by-step explanation:

just add the recurring bar on top of the 3 and it should be correct

6 0

1 year ago