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Fittoniya [83]
3 years ago
5

2x - 4y + 7x - 87 Helppp

Mathematics
2 answers:
xxTIMURxx [149]3 years ago
8 0

Answer:

9x-4y-87

Step-by-step explanation:

2x-4y+7x-87

9x-4y-87

Igoryamba3 years ago
3 0

Answer:

9x-4y-87

Step-by-step explanation:

7x+2x=9x

-4y has no similar variable

-87 has no similar variable

therefore the answer is 9x-4y-87

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Answer: 8a^2 + 2c^2 - 2c

Step-by-step explanation: It is a simple addition between 6a^2+2a^2. The other terms remain the same.

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3 years ago
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A $52 game is on sale for 20%<br> off. if the sale tax id 6%, how much will the game cost?
laila [671]

Answer:

$44.10

Step-by-step explanation:

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8 0
3 years ago
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3 years ago
Suppose that a department contains 10 men and 12 women. How many ways are there to form a committee with six members if it must
Readme [11.4K]

Answer:

The number of ways is 26,400 ways

Step-by-step explanation:

Given;

total number of men, M = 10

total number of women, W = 12

number of committees to be formed = 6

If there must be equal gender, then it must consist of 3 men and 3 women.

The \ number \ of \ ways = 10C_3 \times 12C_3\\\\The \ number \ of \ ways =\frac{10!}{3!7!} \times \frac{12!}{3!9!} \\\\T he \ number \ of \ ways  = 120 \times 220 = 26,400 \ ways

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8 0
3 years ago
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