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Kamila [148]
3 years ago
7

Zack says that the probability of rolling a number less than 4 on a six-sided number cube is 4/6. Valeria says that the probabil

ity is 3/6. Who is correct? Explain.
Mathematics
1 answer:
densk [106]3 years ago
5 0

Answer:

Valeria is correct.

Step-by-step explanation:

The reason she is correct is because it says a number less than four not the number of four an lower. If that makes sense, it is kind of hard to explain.

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BARSIC [14]

Answer:

Step-by-step explanation:

Subtract 4 by 2.5 which is 1.5

Divide 4 by 2.5 which is 1.6

Im not sure if you have to divide or subtract so...

3 0
2 years ago
In the isosceles trapezoid below,<br> X =<br> 5x+ 15°<br> 7x-11°
tangare [24]

Answer:

x = 13°

Step-by-step explanation:

5x+15°=7x-11°

5x-7x = -11°-15°

-2x = -26° divide both sides by -2

x = 13°

5x+15° = 5×13°+15° = 80°

7x-11° = 7×13° -11°. = 80°

6 0
2 years ago
If today is Saturday, what day will it be 70 days from now?
Lerok [7]

Answer:

If today is Saturday, then after 70 days, we will be on a Saturday again.

Step-by-step explanation:

Basically, 70 days = 10 weeks

Which means: 1 week = 7 days

We also know that if we are on a Saturday, then after a week, we will be on a Saturday again. Therefore, if we are on a Saturday, after 10 weeks or 70 days, we will be on a Saturday again.

Hoped this helped.

8 0
2 years ago
The standard deviation for a set of data is 6.5. The mean is 255. What is the Margin of Error?​
HACTEHA [7]

Answer: The margin of error is 12.74.

Step-by-step explanation:

Since we have given that

Standard deviation = 6.5

Mean = 255

Let 95% level of significance,

So, z value = 1.96

We need to find the "Margin of error":

So, it becomes :

Margin of error = Standard deviation × z-value

Margin of error = 6.5\times 1.96=12.74

Hence, the margin of error is 12.74.

3 0
3 years ago
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Marysya12 [62]
The correct answer is B
8 0
3 years ago
Read 2 more answers
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