4 years ago

What is the answer to 66- = R2

Mathematics

1 answer:

mars1129 [50]4 years ago

6 0

Answer:

R=-33

Step-by-step explanation:

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2/3 * 1/5 * 4/7 using cancellation

sergeinik [125]

I just want points but your answer is Modelo time

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3 years ago

A motor boat travels 60 miles down a river in 3 hours but takes 5 hours to return upstream. Find the rate of the boat in still w

prohojiy [21]

Step-by-step explanation:

Given that,

A motor boat travels 60 miles down a river in 3 hours but takes 5 hours to return upstream,

We know that,

Speed = distance/time

The rate while moving downstream $=\dfrac{60}{3}=20\ mph$

The rate while moving upstream $=\dfrac{60}{5}=12\ mph$

The rate of the boat in still water is the average of these:

$v_s=\dfrac{20+12}{2}=16\ mph$

The rate of the current is the difference between the boat speed and actual speed = 16 mph - 12 mph = 4 mph

Hence, this is the required solution.

7 0

3 years ago

.please answer correctly and show steps

kupik [55]

Answer:

6/5m

1 1/5m

Step-by-step explanation:

5 - 3 4/5 = x

5/1 - 19/5 = x

5/1(5/5) - 19/5 = x

25/5 - 19/5 = x

25/5 - 19/5 = 6/5

x = 6/5 or 1 1/5

8 0

3 years ago

Can someone help? I’ll give brainliest!

Shkiper50 [21]

Answer:

V=65.94 in^3 (inches cubed)

Step-by-step explanation:

V=πr^2h/3

h = 7

r = 3

V = (3.14)(3^2)(7/3)

V= (3.14)(9)(2.333)

V=65.94 in^3

4 0

3 years ago

Read 2 more answers

Let y1, y2,... , yn denote a random sample of size n from a population with a uniform distribution on the interval (0,theta). le

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Step-by-step explanation:

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2 years ago