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4 years ago

Why is 6 1/2 equal to the square root of 6

Mathematics

2 answers:

nalin [4]4 years ago

6 0

Answer:

The square root pf a number can be simplified only if the number is divisible by a perfect square (other than 1). √12 can be simplified because 12 is divisible by 4 -- a perfect square. But 6 is not divisible by a perfect square, so √6 cannot be simplified further.

Step-by-step explanation:

Aleksandr-060686 [28]4 years ago

4 0

Because It Can Be Simplified Many Ways

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There are 7 acts in a talent show.

lara31 [8.8K]

Answer:

Event A: 1/35

Event B: 1/840

Explanation:

Event A

For the event A, the order of the first 4 acts does not matter.

The number of different four acts taken from a set of seven acts, when the order does not matter, is calculated using the concept of combinations.

Thus, the number of ways that the first four acts can be scheduled is:

$C(m,n)=\dfrac{m!}{n!(m-n)!}$

$C(7,4)=\dfrac{7!}{4!(7-4)!}=\dfrac{7!}{4!(3)!}=35$

And the number of ways that four acts is the singer, the juggler, the guitarist, and the violinist, in any order, is 1: C(4,4).

Therefore the probability of Event A is:

$P(A)=1/35$

Event B

Now the order matters. The difference between combinations and permutations is ordering. When the order matters you need to use permutations.

The number of ways in which four acts can be scheculed when the order matters is:

$P(m,n)=\dfrac{m!}{(m-n)!}$

$P(m,n)=\dfrac{7!}{(7-4)!}=P(m,n)=\dfrac{7!}{4!}=840$

The number of ways the comedian is first, the guitarist is second, the dancer is third, and the juggler is fourth is 1: P(4,4)

Therefore, the probability of Event B is:

$P(B)=1/840$

7 0

4 years ago

4-Fui al supermercado y había un descuento del 15% en el total de la compra, si pagaba en efectivo. Gasté $ 2.400. ¿Qué cantidad

Grace [21]

Answer:

$2.040

Step-by-step explanation:

Para calcular la cantidad que fue abonada en realidad, debes encontrar el valor del descuento calculando el 15% del valor total de la compra y este resultado se debe restar del total:

$2.400*15%= $360

$2.400-$360= $2.040

De acuerdo a esto, la cantidad abonada en realidad es: $2.040.

6 0

3 years ago

HELP ASAP! I will mark brainlist! Thank you!!

lana [24]

Answer: They form a 90° angle

3 0

3 years ago

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Help me ASAP I’ll give brainliest!

lora16 [44]

Answer:

sorry i dunno

Step-by-step explanation:

4 0

3 years ago

To convert a temperature measured in degrees Fahrenheit to degrees Celsius, there is a formula

e-lub [12.9K]

Answer:

113`F= 46.11° Celsius

Step-by-step explanation:

(Celsius°C × 9/5) + 32 = Fahrenheit

(Celsius°C × 9/5) + 32 = 113

(Celsius°C × 9/5) = 113 - 32

(Celsius°C × 9/5) = 83

Celsius = 5(83)/9

Celsius = 46.11° Celsius

6 0

2 years ago

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