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steposvetlana [31]
3 years ago
6

3 11/15 + 4 7/5 = How to add fractions

Mathematics
2 answers:
natulia [17]3 years ago
7 0
3 11/15 + 4 7/5
Turn the 7/5 to 21/15
So 3 + 4 = 7
and 11/15 + 21/15 is 33/15 which is 2 3/15
2 3/15 + 7 = 9 3/15

kompoz [17]3 years ago
5 0
If 3+11÷15=3.73333 then 4+7÷5 will equal 5.4,I think
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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
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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

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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

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y² = 162.75

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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

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kupik [55]
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Answer:

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Step-by-step explanation:

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<em>Or we can solve it another way</em>

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Step-by-step explanation:

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