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Tomtit [17]
1 year ago
11

Simplify the expression -6y - 7y

Mathematics
2 answers:
Delicious77 [7]1 year ago
7 0

Answer:

-13y

Step-by-step explanation:

you just basically add and then u find that u exponent comes to be negative

vova2212 [387]1 year ago
7 0

Answer:

-13y

Step-by-step explanation:

Since this expression has the same coefficient, all you have to do is solve -6-7. Just follow the keep change change rule when subtracting negative numbers so -6 + -7 = -13. Therefore, your answer will be -13y.

Let me know if you do not understand or need more explanation.

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The newly elected president needs to decide the remaining 7 spots available in the cabinet he/she is appointing. If there are 13
Alexxx [7]

Answer: 8648640 ways

Step-by-step explanation:

Number of positions = 7

Number of eligible candidates = 13

This can be done by solving the question using the combination Formula for selection in which we use the combination formula to choose 7 candidates amomg the possible 13.

The combination Formula is denoted as:

nCr = n! / (n-r)! * r!

Where n = total number of possible options.

r = number of options to be selected.

Hence, selecting 7 candidates from 13 becomes:

13C7 = 13! / (13-7)! * 7!

13C7 = 1716.

Considering the order they can come in, they can come in 7! Orders. We multiply this order by the earlier answer we calculated. This give: 1716 * 7! = 8648640

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3 years ago
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Answer:

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Step-by-step explanation:

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3x = 140 -50

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x = 90/3

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