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Lerok [7]
3 years ago
7

What is 2( 5x + 5) using the distributive property

Mathematics
2 answers:
Mrrafil [7]3 years ago
8 0
You must distribute the first number to the others, 2*5x, ignore the x and add it at the end, 10x. then distribute 2 to the 5 which is also 10. giving you a final answer of 10x+10, keep the same symbol that is separating the numbers in parenthesis
ratelena [41]3 years ago
6 0
2 x 5x= 10x
5x2=10
The final equation is 10x+10
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a random sample of 4 claims are selected from a lot of 12 that has 3 nonconforming units. using the hypergeometric distribution
Sloan [31]

Answer:

The probability that the sample will contain exactly 0 nonconforming units is P=0.25.

The probability that the sample will contain exactly 1 nonconforming units is P=0.51.

.

Step-by-step explanation:

We have a sample of size n=4, taken out of a lot of N=12 units, where K=3 are non-conforming units.

We can write the probability mass function as:

P(x=k)=\frac{\binom{K}{k}\binom{N-K}{n-k}}{\binom{N}{n}}

where k is the number of non-conforming units on the sample of n=4.

We can calculate the probability of getting no non-conforming units (k=0) as:

P(x=0)=\frac{\binom{3}{0}\binom{9}{4}}{\binom{12}{4}}=\frac{1*126}{495}=\frac{126}{495} = 0.25

We can calculate the probability of getting one non-conforming units (k=1) as:

P(x=1)=\frac{\binom{3}{1}\binom{9}{3}}{\binom{12}{4}}=\frac{3*84}{495}=\frac{252}{495} = 0.51

5 0
3 years ago
Find the distance between the pair of points.<br> (21,18) and (-20, -19)<br> The distance is
True [87]

Answer: answer in pic

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3 years ago
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lara31 [8.8K]

Answer:

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Look at the figure. How can you prove ∆ABD and ∆ACD are congruent?
Levart [38]

Answer:

Options (C)

Step-by-step explanation:

For the congruence of the triangles ΔADB and ΔADC,

                Statements                             Reasons

1). AB ≅ AC                                   1). Given

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3). ∠BAD ≅ ∠CAD                       3). Given

4). ΔABD ≅ ΔCAD                       4). SAS postulate

Therefore, Options (C) will be the correct option.

7 0
3 years ago
The sum of a number and 17 is no less than 26
Eva8 [605]
I believe it would be as following:

x+7>12

Here, x represents the unknown number. The symbol for no less than is greater than.
5 0
3 years ago
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