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3 years ago

An otter can swim at a rate of 20 feet in 12 seconds. How far does the otter swim in 90 seconds?

Mathematics

2 answers:

wolverine [178]3 years ago

8 0

Answer:

120-180 somewhere around there

Step-by-step explanation:

np btw

Sphinxa [80]3 years ago

8 0

I used a calculator and got 54 by doing 12/20 x90

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The formula for the bowline of a sphere is V=4/3πr^3. solve for r

Tpy6a [65]

Answer:

$r=\sqrt[3]{\frac{3V}{4\pi}}$

Step-by-step explanation:

$v= \frac{4}{3} \pi r^3$

We need to isolate 'r'

To isolate 'r' , first multiply by 3 on both sides

$3v=4* \pi r^3$

divide by 4pi on both sides

$\frac{3V}{4\pi} = r^3$

Take cube root on both sides

$\sqrt[3]{\frac{3V}{4\pi}}= r$

5 0

3 years ago

What is the ratio of the number of days in the week that do not begin with the letter "T" to the number of days in the week that

vichka [17]

Answer: 5:2

Thursday and Tuesday start with t

Monday, Wednesday, Friday, Saturday, and Sunday do not.

Step-by-step explanation:

7 0

4 years ago

8x2 - 6x + 3 – 2x – 10x?

Marina CMI [18]

Answer:

8 $x^{2}$ + 3 + -6x

Step-by-step explanation:

First we need to find the like terms so that we could add them. In this case the like terms are,

1. 6x , -2x , -10x

So, these are the only terms that we can add in this expression.

Hence,

=> 8 $x^{2}$ + 3 + (6x - 2x - 10x)

=> 8 $x^{2}$ + 3 + -6x

And this is as simple as this expression can go until we find the value of "x" which is not yet told.

Hope my answer helped.

4 0

3 years ago

Read 2 more answers

rocky reifenstuhl won the 130-mile race on his bicycle. he finished in 11 hours and 45 minutes. What was his average speed in mi

Marat540 [252]

R=D/T

130 = r x 11.75

R=130/11.75=11.06

11.06 MPH

8 0

3 years ago

HELP ME PLEASE PLEASE

olga_2 [115]

i really thinks its 6.9*10 to the power of 2

4 0

2 years ago