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Vsevolod [243]
3 years ago
11

What is the value of the expression −9 x 2.2?

Mathematics
2 answers:
Luden [163]3 years ago
6 0

Answer:

-19.8

Step-by-step explanation:

katrin2010 [14]3 years ago
4 0

Answer:

-19.8

Step-by-step explanation: if correct brainlist?

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Tresset [83]

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The cost in dollars y of producing x computer desks is given by y=80x+6000
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Answer:

(100,14000), (200, 22000), (300, 30000)

Step-by-step explanation:

y = 80x + 6000 ........ (1) is the equation which gives the cost (y) in dollars for making x number of computer desks.

Let, f(x) = 80x + 6000

So, f(100) = 80 × 100 + 6000 = 14000 {From equation (1)}

So, to produce 100 desks it costs $14000.

Again, f(200) = 80 × 200 + 6000 = 22000 {From equation (1)}

So, to produce 200 desks it costs $22000.

Again, f(300) = 80 × 300 + 6000 = 30000 {From equation (1)}

So, to produce 300 desks it costs $30000.

Then table will be (100,14000), (200, 22000), (300, 30000) (Answer)

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lisabon 2012 [21]
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