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3 years ago

Please help me out :)

Mathematics

2 answers:

Sonja [21]3 years ago

4 0

Answer:

90 km an hour.

Step-by-step explanation:

solmaris [256]3 years ago

4 0

Answer:90kmph

Step-by-step explanation:

360 divided by 4 is 90

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11.3.35

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

The expression 9+219+21 factored using the GCF is

Mandarinka [93]

9 + 219 + 21
= 3(3 + 73 + 7)
The GCF is 3

7 0

3 years ago

What kind of angle is formed when the radius and a tangent intersect at the point of tangency?

timama [110]

The answer is C if not sorry

6 0

2 years ago

Lorenzo went to the store with 20$. He bought some cans of soup for 2$ each and a gallon of milk for 3$. He had 1$ left over.

Dominik [7]

2s + 3 = 19
2s = 16
s = 8
He can buy 8 cans of soup.

5 0

3 years ago

how can you write a sum of numbers as the product of their GCF (greatest common factor)and another sum?

Rama09 [41]

Example: 12+24 GCF: 12: 1,2,3,4,6,12 24: 1,2,3,4,6,8,24 Common factors: 1,2,3,4,6 Greatest factor: 6 Divide: 12 divided 6= 2 24 divided 6= 4 12+24= 6x(2+4)

6 0

3 years ago