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Mashcka [7]
3 years ago
6

I need help ASAP !!!

Mathematics
1 answer:
lbvjy [14]3 years ago
8 0
The answer is (x,y) —> (y,-x)
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in 2010 , a city's population was 55,210 and it was declining at a rate of 1.09% each year. which is the best prediction for whe
Anon25 [30]

Answer: 2023

Step-by-step explanation:

Since, the initial population of the city is 55,210,

And, it is declining at a rate of 1.09%.

Thus, the function that shows the population after x years since 2010 is,

f(x) = 55210(1-\frac{1.09}{100} )^x

f(x) = 55210(1-0.0109)^x

f(x) = 55210(0.9891)^x

If the population of town is 48000 in x years.

⇒ 55210(0.9891)^x= 48000

⇒ (0.9891)^x= 0.869407715993

⇒ x = 12.769

Therefore, after 12.769 years the population of town will be equals to 48,000

⇒ After 12.770 years the population will first be below 48,000.

⇒ After approx 13 years the population will first below 48,000.

⇒ Around 2023 the population will be first below 48,000.


3 0
2 years ago
Please help u have to factor
enot [183]
Both terms have a -m^2n in common, so we can pull it out. The factored form will be -m^2n times whatever is left after pulling it out.

In the first term, we will have just 8 left since everything else in the term is factored out.

The second term has a 7m^4n^3 left. Notice that both of these terms no longer have a negative sign since the negative was factored out.

The answer is (-m^2n)(8+7m^4n^3)
8 0
2 years ago
1. A piece of steel has a volume of 12 cm3<br> and a mass of 96g. What is its density?
Troyanec [42]

Answer:

it's density is 8 g /cm³

Step-by-step explanation:

Mass (m) = 96 g

Volume (v) = 12 cm³

Density (d) =?

We know density is defined as mass per unit volume so

d = m/v

= 96 / 12

= 8 g/cm³

Hope it will help :)

Note : if in the question it is said to write in sI system u have to write in kg/m³.

3 0
3 years ago
Your bill at a café is $26.50. You want to leave a 20% tip for your good service. What is the amount of the tip and the total of
Licemer1 [7]
Your tip total will be $5.30 and your bill total will be $31.80 after tip.
7 0
3 years ago
Read 2 more answers
Which number line best shows how to solve −4 − (−6)?
lozanna [386]

Answer:

the answer is A

Step-by-step explanation:

because two negatives turn to a positive

3 0
3 years ago
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