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Morgarella [4.7K]
2 years ago
10

Please help me answer number 1

Mathematics
1 answer:
beks73 [17]2 years ago
8 0

Step-by-step explanation:

work is shown and pictured

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Will a truck that is 10 feet wide carrying a load that reaches 12 feet above the ground clear the semielliptical arch on the one
beks73 [17]

Figure is missing, so i have attached it.

Answer:

it will clear the arch because the height of the archway of the bridge 5 feet from the center is approximately 12.76 ft

Step-by-step explanation:

The standard form of equation of an ellipse is;

x²/a² + y²/b² = 1

From the figure in the image attached, we can see that the radius is; a = 52/2 = 26 ft

While the value of b = 13 ft

Thus;

x²/26² + y²/13² = 1

x²/676 + y²/169 = 1

We want to find the height of the archway of the bridge 5 feet from the center.

Thus, we will plug in 5 for x to get;

5²/676 + y²/169 = 1

(25/676) + (y²/169) = 1

Multiply through by 676 to get;

25 + 4y² = 676

4y² = 676 - 25

y² = 651/4

y² = 162.75

y = 12.76 ft

Thus height of the truck is 12 ft and so it will clear the arch because the height of the archway of the bridge 5 feet from the center is approximately 12.76 ft

3 0
3 years ago
Need help with this question, if you don’t know it don’t answer it please
Lerok [7]

Answer:

54

Step-by-step explanation:

9 x 3 x 2 = 54

7 0
3 years ago
Read 2 more answers
Find the dimensions of a rectangle with an area of 100 square feet that has the minimum perimeter.
STatiana [176]
The polygon with the shortest perimeter for a given area is a regular polygon. The regular 4-sided polygon is the square.

The side length of the square with an area of 100 ft² is √(100 ft²) = 10 ft.

The rectangle with the minimum perimeter for an area of 100 ft² is 10 ft by 10 ft.
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3 years ago
What is the value of the expression (-4)^4
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The value of the expression is 256
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An Italian sausage is 9 inches long. The chef needs to cut it into 2/3 inch pieces. How many pieces will he be able to cut?
Pavel [41]
12 pieces i think sorry for the uncertainty
6 0
3 years ago
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