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Marizza181 [45]

3 years ago

14

What is the 2 to thed third power

2 answers:

kati45 [8]3 years ago

4 0

8 is your answer to your question

Ludmilka [50]3 years ago

3 0

2³ is 2*2*2 which is equal to 8

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wel

Answer:

The different selections possible are 12,21,759.

Step-by-step explanation:

Given:

Number of different numbers available, $n = 45$ ( 1 to 45)

Number of numbers to select, $r=5$

Here, order of selection is not important. So, when the order is not important or it doesn't matter how we select objects, then we use combinations formula.

Number of ways of selecting 'r' distinct objects from a collection of 'n' different objects is given as:

$_{r}^{n}\textrm{C}=\frac{n!}{r!(n-r)!}$

Here, 'n' = 45, 'r' = 5. Therefore,

$_{5}^{45}\textrm{C}=\frac{45!}{5!(45-5)!}\\_{5}^{45}\textrm{C}=\frac{45!}{5!(40)!}\\_{5}^{45}\textrm{C}=\frac{45\times 44\times 43\times 42\times 41\times 40!}{5\times 4\times 3\times 2\times 1\times (40)!}\\\textrm{Cancelling out same terms, we get:}\\_{5}^{45}\textrm{C}=\frac{45\times 44\times 43\times 42\times 41}{5\times 4\times 3\times 2\times 1}=12,21,759$

Therefore, the different selections possible are 12,21,759.

8 0

3 years ago

Please help this is my last try

kykrilka [37]

The correct answer is B: Humid air has higher pressure because of the heaviness of water. Hope this helps!!

7 0

3 years ago

Lauren brings brownies to class one day. She gives 3/5 of them to her friends Gareth Tammy and Camilla. If she gave them 21 brow

Musya8 [376]

3/5 x=21 /*5
3x= 105
x= 35
She brought 35

Answer to comment:
<span>1/7(14x+7)-5=6 /*7
14x+7-35=42
14x=42-7+35
14x= 70 /:14
x= 5
</span>

7 0

3 years ago

What is the answer for m∠G ?

Salsk061 [2.6K]

Sum of interior angles of any triangle is 180
so:
x + (3x+25) + (x -5) = 180
5x + 20 =180 5x =160
x = 32
∠G = 3x + 25 = 121

6 0

3 years ago

A potato gun is a device made out of plastic pipe that launches a potato using compressed air. They can be great fun, and even e

snow_tiger [21]

Answer:

The potato is 224 feet in the air after 2.75 second on the way up and after 5 seconds on the way back down.

Step-by-step explanation:

Given : A potato launched by a particular potato gun has a height described by $h ( t ) =-16 t^2+124 t+4$ .

To find : When is the potato 224 feet in the air?

Solution :

When the potato is 224 feet in the air i.e. $h(t)=224$

Substitute in the equation $h ( t ) =-16 t^2+124 t+4$ ,

$224=-16 t^2+124 t+4$

$16t^2-124 t+220=0$

$4t^2-31t+55=0$

Applying quadratic formula, $x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

Here, a=4, b=-31 and c=55

$t=\frac{-(-31)\pm\sqrt{(-31)^2-4(4)(55)}}{2(4)}$

$t=\frac{31\pm\sqrt{81}}{8}$

$t=\frac{31\pm9}{8}$

$t=\frac{31+9}{8},\frac{31-9}{8}$

$t=5,2.75$

The potato is 224 feet in the air after 2.75 second on the way up and after 5 seconds on the way back down.

5 0

3 years ago