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Allisa [31]
3 years ago
15

The sum of twice a number and 9 is -25 how do i translate the expression

Mathematics
1 answer:
Marina86 [1]3 years ago
5 0

Answer:

x+9=-25

(The solved portion if needed) x=-34

Step-by-step explanation:

Let us break down each portion of the phrase: The sum of twice a number and 9 is -25.

The first important part is "The sum". This means that the next two listed numbers (Or expressions) will be added together

Next is, "A number and 9". "A Number" is just an unknown variable. We can just name this x. "And 9" shows the other number that is being added.

At this point we have x+9

The next is, "is -25". Is means equals, so this part would be =-25

Now we can put these two parts together to get x+9=-25

*I'm not certain whether you need to solve it afterwards, so I'll do that here*

x+9=-25\\\\x=-34

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Which interval is the solution set to 0.35x - 4.8&lt;5.2- 0.9x
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An NFL coach sometimes uses a defense that utilizes 3 defensive linemen, 4 linebackers, and 4 defensive backs. His roster (the p
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Answer:

68,600

Step-by-step explanation:

The order of the players is not important. For example, a defensive line of Shaq Lawson, Ed Oliver and Jerry Hughes is the same as a defensive line of Ed Oliver, Shaq Lawson and Jerry Hughes. So we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

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

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Defensive backs:

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68,600 different ways can the coach pick the 11 players to implement this particular defense

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