3 years ago

PLEASE HELP!!!! 2 POINTS

Mathematics

1 answer:

Nostrana [21]3 years ago

6 0

Answer:

D. Vast Universe.

Step-by-step explanation:

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A city has a population of 310,000 people. Suppose that each year the population grows by 9%. What will the population be after

Leno4ka [110]

Answer: 644,800

Step-by-step explanation:

This can also be solved using the terms of Arithmetic Progressions.

Let the 13 years be number of terms of the sequences (n)

Therefore ;

T₁₃ = a + ( n - 1 )d , where a = 310,000 and d = 9% of 310,000

9% of 310,000 = 9/100 x 310,000

= 27,900

so the common difference (d)

d = 27,900

Now substitute for the values in the formula above and calculate

T₁₃ = 310,000 + ( 13 - 1 ) x 27,900

= 310,000 + 12 x 27,900

= 310,000 + 334,800

= 644,800.

The population after 13 years = 644,800.

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3 years ago

In a fruit cocktail, for every 15 ml of orange juice you need 25 ml of apple juice and 10 ml of coconut milk. What proportion of

stepladder [879]

If you sum the amounts of each ingredient, you have a total of

$15+25+10 = 50$

So, the whole cocktail is 50ml. Of these, 10 are coconut milk. So, the ratio coconut : total is

$\dfrac{10}{50} = \dfrac{1}{5}$

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3 years ago

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Caroline will walk 70 meters in 1 hour.

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