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aleksandr82 [10.1K]
3 years ago
6

5

Mathematics
1 answer:
Anastaziya [24]3 years ago
4 0
I’m confused on wha going
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Together two ferries can transport a day's cargo in 7 hours. The larger ferry can transport cargo three times faster than the sm
Ksju [112]

Answer:

9 hours, 20 minutes

Step-by-step explanation:

When two ferries work together, they transport a day's cargo in 7 hours

The speed proportion or ratio of larger ferry to smaller ferry is given as 3 : 1

The sum of the ratio = 4 (3 + 1)

This means that it will take the smaller ferry = 7 x 4 hours to work alone = 28 hours, since the larger ferry is faster by 3.

Therefore, when larger ferry works alone, it will take it (7 x 4)/3 = 9.33 hours.

9.33 hours = 9 hours, 20 minutes.

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4 years ago
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AlladinOne [14]

Answer:

1/4=slope

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Step-by-step explanation:

the equation in slope intercept form would be y=1/4x-8

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3 years ago
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Determine if the graph is symmetric about the x-axis, the y-axis, or the origin. r = 5 cos 3θ
Aneli [31]
First of all get a picture of what this looks like. Desmos is a pretty good graphing program, but anything that will do polar coordinates will work. 

Here is the graph.

What you can see is that this graph is symmetrical around the x axis.

When you talk about symmetry, you can think of it as taking a mirror and putting it where you think there is symmetry. If you can't tell the difference between the image and the real thing, then you have symmetry.

In this case, the mirror will show symmetry along the x axis and no where else.

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3 years ago
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A right triangle has one 90 degree or blank angle
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A right angle has one 90° angle, and the sum of the angles of any triangle is  always equals 360°.
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4 years ago
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