What is 5 pi over 4 radians in degrees?

Mathematics

2 answers:

miss Akunina [59]4 years ago

6 0

The answer to your question is 225 degrees

Gennadij [26K]4 years ago

3 0

Answer:

$\frac{5 \pi}{4}$ radian into degree is, 225

Step-by-step explanation:

To convert radian into degree.

1 radian = $\frac{180}{\pi}$ degree.

Given the statement:

Convert $\frac{5 \pi}{4}$ radian into degree.

Using the conversion:

1 radian = $\frac{180}{\pi}$ degree.

then;

in $\frac{5 \pi}{4}$ radian = $\frac{180}{\pi} \times \frac{5 \pi}{4} = \frac{900}{4} = 225^{\circ}$

Therefore, $\frac{5 \pi}{4}$ radian into degree is, 225

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impeded by the current the outing club took 4 hours and 24 minutes to paddle 11 km up the exeter river to their campsite last we

lilavasa [31]

Answer: if there had been no current, the rate would have been 4 km/hr.

The rate of the current is 1.5km/hr

Step-by-step explanation:

Let x represent the speed of the boat in still water.

Let y represent the speed of the current.

Impeded by the current the outing club took 4 hours and 24 minutes(4 + 24/60 = 4.4 hours) to paddle 11 km up the exeter river to their campsite last weekend. This means that the total speed with which they travelled is (x - y) km/h

Distance = speed × time. Therefore

11 = 4.4(x - y)

Dividing through by 4.4, it becomes

2.5 = x - y - - - - - - - - - - -1

The next day the same current was with them and it took only 2 hours to make the return trip to campus. This means that the total speed with which they travelled is (x + y) km/h. The distance travelled is

11 = 2(x + y)

Dividing through by 2, it becomes

5.5 = x + y - - - - - - - - - - -2

Adding equation 1 to equation 2, it becomes

8 = 2x

x = 8/2 = 4

Substituting x = 4 into equation 1, it becomes

2.5 = 4 - y

y = 4 - 2.5

y = 1.5

3 0

3 years ago