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3 years ago

If a number cube is labeled with the numbers 1 through 6. what is the probablity of rolling a 1 or a 5 on the first roll?

2 answers:

6 0

You can either get
1, 2, 3, 4, 5 or 6

1 and 5 are what you want

so 2 out of the 6 choices are what you want

so you have a 2/6 chance, or also simplified to 1/3

kow [346]3 years ago

4 0

It would be 2/6 or 1/3.

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Evaluate m + n2 if we know m = 2 and n = –2.

Inessa05 [86]

<span> m + n^2
= 2 + (-2)^2
= 2 + 4
= 6

answer is 6</span>

8 0

3 years ago

21. Given the pattern below, which recursive formula represents the number of triangles in this sequence?

Tamiku [17]

Answer:

its 4

Step-by-step explanation:

a 1 = 3 , a n = a n - 1 + 2

because if you aply this to the shapes that you see at problem 21 you will see that it meaches them

6 0

2 years ago

Miguel tells his teacher1/5 is the same as 20%. Which best justifies Miguel’s answer? a.5 goes into 100 twenty times, so 20% is

svetoff [14.1K]

Answer:

C. 5 goes into 100 twenty times, and 1 times 20 is 20

Step-by-step explanation:

Since, we know that when we multiply both numerator and denominator of a fraction by a same number then we obtain an equivalent fraction,

Here, the given fraction,

$\frac{1}{5}$

By the above statement,

$\frac{1}{5}=\frac{1\times 20}{5\times 20}=\frac{20}{100}$

Now,

$a\%=\frac{a}{100}$

$\implies \frac{20}{100}=20\%$

Hence,

$\frac{1}{5}=20\%$

Option C is correct.

3 0

3 years ago

Read 2 more answers

MN is the midsegment of the trapezoid ABCD. What is the length of segment AB?

vladimir1956 [14]

Dear Student,

Answer to your query is provided below:

The length of segment AB = 8

Explanation to answer is provided by attaching image.

8 0

3 years ago

If the standard deviation for a set of data is 0, which of the following must be true?

luda_lava [24]

Answer:

C. All of the data values are identical.

Step-by-step explanation:

If the standard deviation for a set of data is 0, then all of the data values are identical.

When a standard deviation is 0, then the variance is also 0 and the mean of the deviation that is squared is also 0, thereby making all the values identical to the mean, that is 0.

7 0

3 years ago