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GrogVix [38]
4 years ago
11

PLEASE ANSWER 10 POINTS!

Mathematics
2 answers:
zysi [14]4 years ago
8 0
Here are the areas of the 12 rectangular surfaces that make up the surface area of the podium:

7.5 x 1.5 = 11.25 square feet (Bottom)

1.5 x 1.5 x 2 = 4.5 square feet (Right/Left Bottom Sides)

2.5 x 1.5 x 2 = 7.5 square feet (Right/Left Flat)

1.5 x 1.5 x 2 = 4.5 square feet (Right/Left Top Sides)

2.5 x 1.5 x 2 = 7.5 square feet (Top Front/Back)

2.5 x 1.5 = 3.75 square feet (Top)

7.5 x 1.5 x 2 = 22.5 (Bottom Front and Back)

The area of all these surfaces is 61.5 square feet.
myrzilka [38]4 years ago
5 0

Answer:       A. 61.5 square feet

Step-by-step explanation:

I took the test and got it right....

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The velocity of an object is given by the following function defined on a specified interval. Approximate the displacement of th
harkovskaia [24]

Answer:

The displacement of the object on this intervals is 1.33 m.

Step-by-step explanation:

Given that,

The function of velocity is

v=\dfrac{1}{2t+4}\ m/s

For 0 ≤ t ≤8 , n = 2

We need to calculate the intervals

Using formula for intervals

For, n = 1

\Delta x=\dfrac{t_{f}-t_{i}}{n}

\Delta x=\dfrac{8-0}{2}

\Delta x=4

So, The intervals are (0,4), (4,8)

We need to calculate the velocity

Using given function

v=\dfrac{1}{2t+4}

For first interval (0,4),

Put the value into the formula

v_{0}=\dfrac{1}{2\times0+4}

v_{0}=\dfrac{1}{4}

For first interval (4,8),

Put the value into the formula

v_{4}=\dfrac{1}{2\times4+4}

v_{4}=\dfrac{1}{12}

We need to calculate the total displacement

Using formula of displacement

D=(v_{0}+v_{4})\times(\Delta x)

Put the value into the formula

D=(\dfrac{1}{4}+\dfrac{1}{12})\times4

D=1.33\ m

Hence, The displacement of the object on this intervals is 1.33 m.

5 0
4 years ago
The temperatures at 6:00 am one morning in four cities are given below.
Andre45 [30]

Answer:

-9

Step-by-step explanation:

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3 years ago
How many complex roots does the polynomial equation have?
Olegator [25]

Answer:

2

Step-by-step explanation:

The aquatic equation suggest that 1=1+9-2+69=420 so if you divide that by 69 again you get 2

8 0
3 years ago
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Sladkaya [172]

Step-by-step explanation:

If two lines have the same slope and the same y-intercept, there are infinite solutions.

If two lines have the same slope and different y-intercepts, there are zero solutions.

Otherwise, if the two lines have different slopes, then there is one solution.

The slope of the first line is 3/8.  The slope of the second line is 16/32 = 1/2.  The slopes are different, so there is only one solution.

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3 years ago
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Architect Frank Lloyd Wright included a pool shaped like a right triangle in his design of Taliesin West in Scottsdale, Arizona.
bogdanovich [222]

Answer:

B

Step-by-step explanation:

41 + 40 + 57.28 ft, 138.28 ft.

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3 years ago
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