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V125BC [204]
3 years ago
15

**EXTRA POINTS**

Mathematics
2 answers:
xenn [34]3 years ago
7 0
The resulting coordinates would be (-1 , -4).
Andru [333]3 years ago
5 0

Answer:

she's correct

Step-by-step explanation:

my answer is also that only

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A test consists of 100 multiple choice questions, each with five possible answers, only one of which is correct. Find the mean a
TEA [102]

Answer:  Mean = 20 and standard deviation = 4

Step-by-step explanation:

Let x represents the success of getting the correct answer.

Here, the total number of trials(n) = 100

The probability of getting the correct answer, p = 1/5

Thus, the mean of the number of correct answer,

\mu_x= np

\mu_x= 100\times 1/5

\mu_x= 20

Now, the standard deviation, \sigma_x= \sqrt{n\times p\times (1-p)}

\sigma_x= \sqrt{100\times 1/5\times 4/5}

\sigma_x= \sqrt{16}

\sigma_x= 4

Thus, First option is correct.



6 0
3 years ago
Si el largo de un rectángulo mide el doble del ancho que es "a", ¿cuál es su área?
rosijanka [135]

Answer:

El área es 2 veces el cuadrado del ancho del rectángulo.

Step-by-step explanation:

El área de un rectángulo viene dado por:

A = a*l

En donde:

a: es el ancho

l: es el largo

Si el largo es el doble del ancho:

l = 2a

Entonces el área es:

A = a*l = a*(2a) = 2a^{2}

Por lo tanto, el área es 2 veces el cuadrado del ancho del rectángulo.

Espero que te sea de utilidad!  

6 0
3 years ago
Write a three digit number that is divisible by 6<br>​
FinnZ [79.3K]

Answer:150

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A scuba diver swam 96 feet beneath the surface of the lake . He then climbs up 49 feet. What is his depth now?
Iteru [2.4K]
If this question is as simple as it seems all you would have to do is subtract. If he is down 96 feet then goes up 49 feet you would do 96-49.

The answer is 47 feet.

I hope this helps! Let me know if this is right.
7 0
3 years ago
Read 2 more answers
Round 0.199 to the nearest hundredth
Sholpan [36]
Well, you take 0.199 find the hundredths place, which is the 9 to the left in this example, and decide whether the number to the right of the nine is more than 5, which it is, so we round the 9 up. However, we can't just make it 10 hundredths, so we have to simplify it to 1 tenth and add it onto the tenths place to make 0.20.
8 0
3 years ago
Read 2 more answers
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