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notsponge [240]
3 years ago
6

Evaluate 2x + 5 - 10 when x = 12

Mathematics
2 answers:
musickatia [10]3 years ago
8 0

Answer:

19

Step-by-step explanation:

Naddika [18.5K]3 years ago
4 0
The answer is 19=
2 (12)+5-10= 24+5-10=19
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a landscaping company counted 51 invoices for tree services at the end of the month. they charge $375 for a tree installation an
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We used the elimination method to find the ordered pair, (x,y), that represents the situation is (12,39).

Number of invoices = 51

Charge for tree installation = $375

Charge for tree trimming = $54

Total amount in invoices = $6,606

Let x and y represent number of installations and number of trimmings respectively.

Hence,

x + y = 51  ...(1)

375x + 54y = 6606

3 (125x + 18y) = 3*2202

125x + 18y = 2202  ...(2)

Multiplying (1) by 18, we get

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1 year ago
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AleksandrR [38]
8(8b-2c) and 2(32b-8c)
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3 years ago
Negative 3 is twice as large as a number,h
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A bedroom has a length of x+ 3 feet and a width of x-1 feet. Write a polynomial to express the area of the bedroom. Then calcula
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Answer:

Step-by-step explanation:

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Length = 10+3 = 13

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Width = 10-1=9

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Area=13*9

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3 years ago
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