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Firdavs [7]
3 years ago
10

If 30 houses cost 1.7 billion, how much money will 300 houses cost?

Mathematics
2 answers:
Ede4ka [16]3 years ago
8 0

Answer:

If 30 houses cost 1.7 billion, 300 houses cost 17 billion

Step-by-step explanation:

If you were to make it an equation you would make it

30 = 1.7

Now we were told the 30 would be made 300 so its obvious you multiplied by 10 and whatever you did to one side you do to the other so its

30 x 10 = 1.7 x 10 is 300 = 17

your answer is 17 billion

NikAS [45]3 years ago
7 0

Answer:

17 billion cause 30*10 300

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melamori03 [73]

Answer:

66 coolers

Step-by-step explanation:

C = 0.005x² - 0.3x + 17

When C = $19

19 = 0.005x² - 0.3x + 17

19 - 17 = 0.005x² - 0.3x

2 = 0.005x² - 0.3x

0.005x² - 0.3x - 2 = 0

x = -b ± √b² - 4ac / 2a

= -(-0.3) ± √-0.3² - 4*0.005*-2 / 2*0.005

= 0.3 ± √ 0.09 - (-0.04) / 0.01

= 0.3 ± √ 0.09 + 0.04 / 0.01

= 0.3 ± √ 0.13 / 0.01

= 0.3/0.01 ± √0.13/0.01

= 30 ± 0.36/0.01

x = 30 ± 36

x = 30 + 36 or 30 - 36

x = 66 or -6

Number of coolers can not be negative

Therefore, number of coolers produced when the cost is $19

is 66 coolers

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3 years ago
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<h3>What is the Converse of Alternate Exterior Angles Theorem?</h3>

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