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3 years ago

I need help with 2. And 4.

Mathematics

1 answer:

lisov135 [29]3 years ago

4 0

On number 4 George lives farther

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Find the volume of this sphere.<br> Use 3 for TT.<br> V V ~ [?]cm3<br> V = nr3<br> r=6cm

Katen [24]

Answer:

$V = 864cm^3$

Step-by-step explanation:

Given

$r = 6$

$\pi = 3$

Required

The volume of the sphere

This is calculated as:

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

So, we have:

$V = \frac{4}{3} *3 *6^3$

$V = \frac{4}{3} *3 *216$

This gives:

$V = 4 *216$

$V = 864$

6 0

3 years ago

What is the answer? becuase i am just confused

Svetradugi [14.3K]

Answer:

Step-by-step explanation:

radius of circle is 12

also there is 2 right angles in the triangle if you wanted to solve this problem yourself

but here's the answer:

arc angle of the triangle inside the sircle is double the angle closest to x.

(the pointy area of the triangle is half the angle length of the arc)

i can add more though:

5 0

2 years ago

In a classroom,

Gelneren [198K]

Answer:

3 students in blue and 12 in white

Step-by-step explanation:

set 1/6 and 2/3 of it and you need to find that of 18

so you take 2/3*18 and get 12 students

and 1/6*18 and get 3 students

7 0

2 years ago

__________________________________________

xz_007 [3.2K]

Answer:

3.3 x 10⁻⁴

Step-by-step explanation:

Given expression:

$\frac{2.64 x 10^{-3} }{8.0 x 10^{0} }$

To solve this problem;

10° = 1

So;

$\frac{2.64 x 10^{-3} }{8.0}$

= $\frac{2.64}{8}$ x 10⁻³

= 0.33 x 10⁻³

= 3.3 x 10⁻¹ x 10⁻³

= 3.3 x 10⁻⁴

4 0

3 years ago

*****Write a polynomial using the roots -3,5i. PLEASE HELP IM SO LOST!!!

Vladimir79 [104]

The polynomial $(x-a)$ has a unique root, $a$ , for any $a$ .

Hence $(x+3)(x-5i)$ is a polynomial with roots $-3$ and $5i$

8 0

3 years ago