<img src="https://tex.z-dn.net/?f=8mx%5E%7B2%7Dnx%5E%7B4%7D" id="TexFormula1" title="8mx^{2}nx^{4}" alt="8mx^{2}nx^{4}" align="a

tatyana61 [14]

3 years ago

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Mathematics

1 answer:

xenn [34]3 years ago

3 0

Step-by-step explanation:

You have $7,000 in your savings account gaining 4% interest per year. If you don't replace the $800 in the savings account

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Betsy sells laptops at an electronics store. She earns $180 a week, plus $15 for every laptop she sells. Betsy needs to earn at

lukranit [14]

Answer:

15x + 180 ≥ 900

x ≥ 48

Step-by-step explanation:

x = amount of laptops needed to sell.

Equation:

15x + 180 ≥ 900

15x ≥ 720

x ≥ 48

Check:

15(48) + 180 = 900

720 + 180 = 900

900 = 900 (It's good, she needs to make at least 900, so she needs to sell at least 48 laptops).

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3 years ago

Find all solutions of the equation in the interval [0, 2pi).

lozanna [386]

Answer:

543

Step-by-step explanation:

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3 years ago

Write equation of these in point slope form.

Rufina [12.5K]

1. m=2/5 point= (3,9)

y - 9 = 2/5(x - 3)

2. m= -5 point= (-6,8)

y - 8 = -5(x + 6)

3. m= 0.5 point= (-3,-3)

y + 3 = 0.5(x + 3)

4. m= -4 point= (1,2)

y - 2 = -4(x -1)

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4 years ago

In 2006, the population of a country was 45.4 million people. From 2006 to 2050 the country's population is expected to decrea

Valentin [98]

2006 Pop. = 47.9 million

Expected decrease = 4.8% = .048

Expected population = 47.9 million (1- .048) = 45.60 million

7 0

3 years ago

Solve for z Z + 13 = 11 A z = -2 B z = 24 C z = 2 D z = -24

kogti [31]

All we have to do is subtract 11 - 13 to get our answer.

Answer: A) z = -2.

6 0

4 years ago

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