3 years ago

Which strategies can be used to solve this problem?

Mathematics

1 answer:

Feliz [49]3 years ago

3 0

I think it's D but not sure

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Find the mean of the following numbers; 7 21 2 17 3 14 7 4 9 7 9

Margarita [4]

Answer:

Step-by-step explanation:

2,3,4,7,7,7,9,9,14,17,21

21,17,14,9,9,7,7,7,4,3,2

3,7,7,7,9,9,17,21

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2 years ago

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George has opened a new store and he is monitoring its success closely. He has found that this store's revenue each month can be

makvit [3.9K]

Answer:

The new store will have a profit of $5400 after its fifth month.

(R-C)(x) = (x²+5x+14)-(x²-4x+5) = x²-x²+5x--4x+14-5 = 5x+4x+14-5=9x+9

(Use 5 for x)

(R-C)(5) = 9(5) + 9 = 45+9 = 54

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1 year ago

The population of a country has been decreasing for several decades. In 1990, the population was about 165 million people. In

Lorico [155]

To find percent decrease and increase you must subtract the original value (old value) with the new value. Then divide the value you get by the original value and multiply by 100:

165-158 = 7

7÷ 165 × 100 = 4.2424....% or 4.2% rounded to 2 significant figures.

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2 years ago

Which of the following gives all of the sets that contain -1/2?

fiasKO [112]

ANSWER

The set of all rational numbers and the set of all real numbers.

EXPLANATION

The set of rational numbers contains all numbers that can be written in the form,

$\frac{a}{b}$

where a and b are integers and b≠0.

The given number is

$- \frac{1}{2}$

It belongs to the set of rational numbers.

The set of rational numbers is a subset of the set of real numbers.

Hence

$- \frac{1}{2}$
also belongs to the set of real numbers.

The correct answer is A.

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3 years ago

Choose the electromagnetic wavelength that is visible to the human eye.

Vlad1618 [11]

Answer:

ultra violet is visible to the human eye

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2 years ago

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