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klio [65]
3 years ago
12

Can someone help me with these 2 please thank you :)

Mathematics
1 answer:
Reika [66]3 years ago
3 0

Answer:

11. -0.250

12. 0

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The sum of three consecutive numbers is greater than 40. The inequality that represents this is x + x + 1 + x + 2 > 40. Which
Brut [27]

Answer:

3x > 37

x > 12.333

Thus, 13 and 15 satisfy

Step-by-step explanation:

hope this helps

3 0
4 years ago
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1. Student ID number at a certain University are made up of a letter, followed by six 1-digit
Nutka1998 [239]

Answer:

650,000,000 student ID numbers are possible if the letters cannot be repeated.

Step-by-step explanation:

The order in which the digits or letters are placed is important, which means that the permutations formula is used to solve this question.

Permutations formula:

The number of possible permutations of x elements from a set of n elements is given by the following formula:

P_{(n,x)} = \frac{n!}{(n-x)!}

In this question:

2 letters from a set of 26(permutations, as letters cannot be repeated).

6 digits, each with 10 possible outcomes.

How many student ID numbers are possible if the letters cannot be repeated?

T = 10^6 \times \frac{26!}{24!} = 650000000

650,000,000 student ID numbers are possible if the letters cannot be repeated.

3 0
3 years ago
In 2003, the average combined SAT score (math and verbal) for college-bound students in the United States was 1026. Suppose that
kolbaska11 [484]

Answer:

The random variables which has a distribution that can be approximated by a binomial distribution is:

c. The number of students in the sample who scored above average on the SAT.

Step-by-step explanation:

The binomial distribution in this scenario will be between the number of students in the sample who scored below average on the SAT and the number of students who scored above average.  Variables that have a binomial distribution must meet these four conditions:

1: The observed number of students who sat for the SAT 'n' is not variable.  

2: Each student's score (observation) is purely independent of each other, either above or below average scores.  

3: Each student's score (observation) shows one of the two outcomes ("success" or "failure").  Those below average are "failures."  Those above average are "successes."

4: The outcome probability of "success" 'p' for each student is the same.

4 0
3 years ago
After the expression (x^10) ^3/5 is simplified as much as possible, x is raised to what exponent?
Veseljchak [2.6K]

Answer:

45

Step-by-step explanation:


8 0
3 years ago
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Plzzzz answer :) :)<br>​
zimovet [89]

Answer:

5\frac{2}{5}

Step-by-step explanation:

Turn 2 7/10 to an improper fraction

2 7/10 = 27/10

27/ 10 divided by 1/2 is the same as multiplying 27/10 by the reciprocal of 1/2

27/10 * 2 = 5 2/5

The answer is 5\frac{2}{5}

Hope this helps :)

Have a spectacular day!

7 0
2 years ago
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