4 years ago

A person walks

Mathematics

1 answer:

n200080 [17]4 years ago

3 0

I am not sure but I say
2
3
2
9

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What is the volume of the cone with a radius of 10ft and a height of 21ft?round to the nearest cubic foot

Ivan

Volume of cone is 2200ft

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4 years ago

Given the vector (4|3) and the transformation matrix (0|1|-1|0), which vector is the imagine after applying the transformation t

horrorfan [7]

Answer:

C.(3|-4)

Step-by-step explanation:

Given the vector:

$\left[\begin{array}{ccc}4\\3\end{array}\right]$

The transformation Matrix is:

$\left[\begin{array}{ccc}0&1\\-1&0\end{array}\right]$

The image of the vector after applying the transformation will be:

$\left[\begin{array}{ccc}0&1\\-1&0\end{array}\right]\left[\begin{array}{ccc}4\\3\end{array}\right]\\\\=\left[\begin{array}{ccc}0*4+1*3\\-1*4+0*3\end{array}\right]\\\\=\left[\begin{array}{ccc}3\\-4\end{array}\right]$

The correct option is C

7 0

4 years ago

Do you guys know what 12x34 is need a little help

pickupchik [31]

12 times 34 is 408. Hope that helped.

4 0

4 years ago

Read 2 more answers

9 hundreds equal to how many tens?

Evgen [1.6K]

Ok so you do 900 ÷ 10 which = 90 and 90 x 10 = 900 so the answer is 90

4 0

3 years ago

How did they get that answer? please answer

OverLord2011 [107]

Answer:

Look at my explanation

Step-by-step explanation:

The circumference of a circle is 2πr, so you can set it up like this since the circumference was 22π.

2πr = 22π

divide both sides by 2

πr = 11π

divide both sides by π

you get r = 11

So your radius is 11.

To find the area, you must do πr^2 ("^2" means squared)

if you substitute 11 for r you get

11π^2

you can do 11 squared first

11^2 = 121

the area of the circle = 121π

Keep in mind that they said to use 3.14 for π

so you can do 121 x 3.14

Final Answer: 379.94

3 0

3 years ago