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Finger [1]
3 years ago
14

A man who can row in still water at 5 mph heads directly across a river flowing at 6 mph. At what speed does he drift downstream

?
Mathematics
2 answers:
Rashid [163]3 years ago
7 0
7.8 mph... Hope it helps 
In-s [12.5K]3 years ago
3 0

Answer:

11 mph

Step-by-step explanation:

Given that a man who can row in still water at 5 mph

The river is flowing at 6 mph.

We know that upstream speed = speed of man in still water - speed of river

and downstream speed = speed of man in still water + speed of river

So answer would be got by adding 5 and 6

=11 mph

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What fraction is 1 yard 2 feet and 6 inches
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Need help Asap thank you in advance
julia-pushkina [17]

Answer:

12x^4-20x^2+32x=4x(3x^3-5x+8)

Step-by-step explanation:

<u>Common Factors</u>

An algebraic expression that is formed by sums or subtractions of terms can be factored provided there are numeric or variable common factors in all the terms.

The following expression

Z=12x^4-20x^2+32x

Can be factored in the constants and in the variable x.

1. To find the common factor of the variable, we must locate if the variable is present in all terms. If so, we take the common factor as the variable with an exponent which is the lowest of all the exponents found throughout the different terms. In this case, the lowest exponent is x (exponent 1).

2. To find the common factors of the constants, we take all the coefficients:

12 - 20 - 32

and find the greatest common divisor of them, i.e. the greatest number all the given numbers can be divided by. This number is 4, since 12/4=3, 20/4=5 and 32/4=8

3. The factored expression is

Z=12x^4-20x^2+32x=4x(3x^3-5x+8)

\boxed{12x^4-20x^2+32x=4x(3x^3-5x+8)}

3 0
3 years ago
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