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3 years ago

The circumference of a circle is 18.45 yards.

Mathematics

1 answer:

rjkz [21]3 years ago

3 0

Answer:

the radius is 2.94

Step-by-step explanation:

first divide the circumference by pie 3.14

the answer you get will be 5.8 is your diameter now divide 5.8 by 2 you get 2.935 round up your answer and it is 2.94 your radius

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2 years ago

Evelyn and Meredith decided to kayak 1 mile up and then back in the Humboldt channel.

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The rate of the water flowing in the channel was 2 miles per hour, the rate Evelyn and Meredith were paddling is mathematically given as

v+ = 2.29 1mile/hour

<h3>What is the rate Evelyn and Meredith were paddling?</h3>

Generally, the equation for the up and downstream motion is mathematically given as

vup=v-2

vdown=v+2

Therefore, Statement interpretation

2/3=40*1/60

3+2/3hr=11/3

Where, tup+tdown=11/3

tup+tdown=11/3

1/Vup+1/vdown=11/3

Considering the LCD equation

3(v-2)(V+2)

Hence

$\frac{3(v-2)(v+2)}{v-2}+\frac{3(v-2)(v+2)}{v+2}=\frac{11(3)(v-2)(v+2)}{3}\\\\3(v+2)+3(v-2)=11(v+2)(v-2)$

11v^2-6v-44=0

$v=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

Resolving using the equation we have

v+ = 2.29 1mile/hour

v- = -1.745 mile hour