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3 years ago

10

A _________________is a numerical value that describes a population.

2 answers:

lidiya [134]3 years ago

8 0

Answer:

A parameter is a numerical value that describes a population.

Step-by-step explanation:

hope it helps

klasskru [66]3 years ago

7 0

Answer: parameter

Step-by-step explanation:

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How are the key features of a quadratic graph seen

Tpy6a [65]

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3 years ago

Which values have exactly 2 significant figures? Check all that apply.

JulijaS [17]

ANSWER

Options B, C and D have exactly 2 significant figures.

<u>EXPLANATION</u>

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$1200\approx 1200$ feet to 2.s.f

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3 years ago

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Nataly_w [17]

It might be b and d because there not touching

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3 years ago

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Which system of equations would have no

jenyasd209 [6]

Answer:

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Step-by-step explanation:

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2 years ago

Ajay bought a fan and a heater for rs 4000. He sold the fan at a profit of a 25% and the heater at a loss of 5%. If he gained 7%

Alborosie

Answer: Heater -Rs 2400; Fan- Rs 1600

Step-by-step explanation:

Given

Ajay bought a fan and a heater for Rs 4000

Suppose the price of fan is x and that of heater is 4000-x

Profit on the fan is $0.25x$

Loss on heater is $0.05\times (4000-x)$

Total profit is 7% i.e. $0.07\times 4000$

$\therefore 0.07\times 4000=0.25x-0.05(4000-x)\\\Rightarrow 280=0.25x-200+0.05x\\\Rightarrow 480=0.3x\\\Rightarrow x=1600$

Thus, the price of heater is $4000-1600=Rs.\ 2400$

Price of fan is $Rs.\ 1600$

Price of heater is $Rs.\ 2400$

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3 years ago