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Anna71 [15]
2 years ago
8

-9 + За = ба - 21 I really need help finding the answer to this question​

Mathematics
1 answer:
o-na [289]2 years ago
6 0

Answer:

a = 4

Step-by-step explanation:

Ez, I did it where 6a - 3a which is just 3a and added the 21 to the other side. So now it is 12 = 3a which is simply 4.

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20 points!! help needed
dimaraw [331]

ANSWER

1 bell shape

2 to find probability when sampling

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1 In a normal distribution, the mode,mean and median are equal.

As a result, the distribution is neither skewed to the right or left.

The shape of the normal distribution looks like a bell.

That is why it is also called the bell curve.

2. The area under the normal curve is 1.

The line of symmetry of the bell shaped distribution divides it into two halves with area 0.5 each.

The normal curve is therefore used to find the probabilities of a sample distributions.

7 0
3 years ago
Use mulipation to find 2 equivalent fractions
laila [671]
1/2 is equivalent to 2/4 because,

2(1/2) = 2/4 

So as you can see if you multiply the numerator(top) and the denominator(bottom) by the same number, you get an equivalent fraction! In my example you can see that I multiplied both by 2.
5 0
3 years ago
What is the sum of the first five prime numbers?<br><br>18<br><br>26<br><br>28<br><br>39
beks73 [17]
Third option, it's 28
5 0
3 years ago
Read 2 more answers
La suma de los cuadrados de dos enteros positivos consecutivos es 761. Cuales son los números?
PilotLPTM [1.2K]

Answer:

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Step-by-step explanation:

8 0
3 years ago
3 sides of the triangle are distinct prime numbers. What is the smallest possible perimeter of the triangle?
Nitella [24]

Answer:

the smallest possible perimeter is 6

Step-by-step explanation:

since the smallest possible prime number is 2 it would make since if each side is 2 which makes the smallest perimeter possible. i really hope this helped :)

5 0
3 years ago
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