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Aleks [24]
3 years ago
11

A boat goes 4 miles upstream in four hours. It returns downstream to the starting point in two hours .The rate of the boat is X.

The rate of the river current is Y . Find X &Y miles per hour
Mathematics
1 answer:
Anna71 [15]3 years ago
5 0
The boat(x) goes 1mi/hr because 4 mi and 4hr divide each by four. The rate of the river current S twice that because the time is halved so y=8mi/hr
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What is the volume of the triangular prism? A triangular prism. The base of the triangular face is 5.4 centimeters and the heigh
IceJOKER [234]

Answer:

The volume of the triangular prism is <em>51</em><em>.</em><em>84</em><em> </em><em>cm</em><em>^</em><em>3</em>.

Step-by-step explanation:

The formula of the volume of a prism is:

V = Ah

where:

V = Volume of prism

A = Area of uniform cross-section or base of prism

h = Height of prism = 6 cm

We can substitute the information given in the problem into this formula.

To find A, we need to find the area of the triangular base.

A = bh / 2

where:

b = Base of triangle = 5.4 cm

h = Perpendicular height of triangle = 3.2 cm

We can substitute the information given in the problem into this formula.

A = ( 5.4 × 3.2 ) / 2

A = 17.28 / 2

A = 8.64 cm^2

Substitute the value of A into the original volume of a prism formula with the other information given in the problem.

V = Ah

V = ( 8.64 ) ( 6 )

V = 51.84 cm^3

7 0
4 years ago
How do u solve y pluse 4 pluse 3(y pluse 2)
lesya [120]
Y + 4 + 3(y+2)    first distribute the 3
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therefore your answer should be  4y + 10
3 0
4 years ago
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I need help with this problem
slava [35]
Well if it takes him 1hour to travel 25miles then i believe the answer would be 25miles
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3 years ago
The Milky Way galaxy has atleast 200 million stars right half of this number of stars in standard form
Aloiza [94]

Standard form: 100,000,000 (100 million)

Scientific form: 1 * 10^8.

5 0
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3*8*16=384 so 384ft^3

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4 years ago
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