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3 years ago

B3BB

Mathematics

1 answer:

skad [1K]3 years ago

6 0

Answer:

C is correct

Step-by-step explanation:

Firstly, we have to solve for x in the solution set of the inequality

We have this as follows;

x + 2 ≥ 6

x ≥ 6-2

x ≥ 4

To graph this, we consider the middle sign which is greater than or equal to

So, the inequality sign has to face the right side

secondly, it has to be shaded on the point 4 due to the fact that it has the ‘equal to’ beneath the single inequality symbol

so, the correct answer here is option C

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Korolek [52]

Answer:

2x+2x is 4 +3x is 12+ 1 is 13 + 3 is 15 - 2 is 13 -1 is 12

so x=15

and y=12

7 0

3 years ago

24 and 48 are common multiples of 4 and B. if B is a one digit number greater than 1, what is B?

Sedbober [7]

Answer:

B is 4 because there is no other one digit number that is a common multiple of 4

Step-by-step explanation:

3 0

3 years ago

47. Forming a Committee Four members from a 20-person committee are to be selected randomly to serve as chair- person, vice-chai

Svetllana [295]

Answer:

116,280 different leadership structures are possible

Step-by-step explanation:

The order is important.

For example, a Committee of John, Elisa, Laura and Rose means that John is the chairperson, Elisa the vice-chairperson, Laura the secretary and Rose the treasurer. If we exchange John and Elisa, their roles are also exchanged. This means that we use the permutations formula 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:

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

How many different leadership structures are possible

Permutations of 4 elements from a set of 20. So

$P_{(20,4)} = \frac{20!}{(20-4)!} = 116280$

116,280 different leadership structures are possible

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3 years ago

Solve for x <br><br> 2x-20=450

Pachacha [2.7K]

2x-20=450

2x=450+20

2x/2=470/2

x=235

6 0

3 years ago

Read 2 more answers

Write the standard form of the equation of the circle with radius 7 and center (4,−9).

Troyanec [42]

Answer:

x^2 + y^2 - 8x + 18y + 48 = 0

Step-by-step explanation:

(x-h)^2 + (y-k)^2 = r^2 where (h,k) is the centre of circle and r is the radius of circle. hence the standard form of equation can be obtained by expanding

(x-4)^2 + {y-(-9)}^2 = 7^2

7 0

3 years ago