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Ray Of Light [21]
3 years ago
14

a boat traveled 280 miles downstream and back. the trip downstream took 7 hours and the trip back took 14 hours. find the speed

of the boat in still water and the speed of the current.
Mathematics
1 answer:
NNADVOKAT [17]3 years ago
7 0
280 miles - is that the round trip or one way?
280 one way
boat velocity = 30 mph
current velocity = 10 mph

280 (140 one way)
boat velocity = 15 mph
current velocity = 5 mph

Calculator for traveling with against current:
http://www.1728.org/veloccal.htm

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A diagonal of a parallelogram measures 37 inches. The sides measure 35 inches and 1 foot. Is the parallelogram a rectangle?
meriva

Answer:

Yes, it is a rectangle

Step-by-step explanation:

12 ^2 +35^2 =37^2

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The initial value would be the first value of the function. It seems like the line starts from the point (0, 3) therefore the first value of the function, I would assume, is 3. 
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alex41 [277]

Answer:

Your friend is wrong.

Step-by-step explanation:

Since we have that you spend c dollars for p identical pairs of pants. We can represent this using:

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3 years ago
What is the area of the figure below?
fgiga [73]

Answer:

Option a 26 inches square

Step-by-step explanation:

Given in the picture is a triangle with 3 sides as 10.8 inches, 5 inches and base =10+3 = 13 inches

The altitude for base 13 inches is shown as 4 inches.

We know that for any triangle area

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Here base = 13 and height = 4

Hence area = 1/2 (13)(4) = 26 inches square

Answer is option a

---

This can be done in another way also

There are two triangles one with base 10 inches and height 3 inches and another with base 3 inches and height 4 inches

Area of combined figure = sum of area of two triangles

= 1/2 (10)(4) +1/2(3)(4) =

20+6

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