PLEASE HELP ME!!!

Mathematics

2 answers:

Phoenix [80]2 years ago

5 0

Answer:

A since one revolution around the sun is one year or 365 days also this is the math section

Step-by-step explanation:

Oksi-84 [34.3K]2 years ago

3 0

Answer:

B. Earth revolves around the sun once in 24 hours.

Step-by-step explanation:

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Help please is for Algebra

Sauron [17]

Answer:

$=\frac{8a+6}{\left(a-3\right)\left(a+3\right)}$

the third option is your answer

Step-by-step explanation:

$\frac{5}{a-3}+\frac{3}{a+3}\\\mathrm{Least\:Common\:Multiplier\:of\:}a-3,\:a+3:\quad \left(a-3\right)\left(a+3\right)\\\mathrm{Adjust\:Fractions\:based\:on\:the\:LCM}\\=\frac{5\left(a+3\right)}{\left(a-3\right)\left(a+3\right)}+\frac{3\left(a-3\right)}{\left(a+3\right)\left(a-3\right)}\\\mathrm{Since\:the\:denominators\:are\:equal,\:combine\:the\:fractions}:\quad \frac{a}{c}\pm \frac{b}{c}=\frac{a\pm \:b}{c}\\=\frac{5\left(a+3\right)+3\left(a-3\right)}{\left(a-3\right)\left(a+3\right)}$

$\mathrm{Expand}\:5\left(a+3\right)+3\left(a-3\right):\quad 8a+6\\=\frac{8a+6}{\left(a-3\right)\left(a+3\right)}$

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2 years ago

Please help me on 1 and 4

Advocard [28]

1.so what you are going to do it add up all the sides but not just in any order you are going to add up the like terms so 2/3x+1/3x+2/3x+1/3x that adds up to be 2x and the add up 10+5+10+5 which equals 30 so there you go. Your perimeter= 2x+30
2. -2/3 has a repeating decimal

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2 years ago

An item priced at $10.20 has a sales tax of $0.41.Find the sales tax rate expressed as a percent.

torisob [31]

0.41 / 10.20 = 0.040.....multiply by 100 to get ur percent = 4%

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2 years ago

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ICE Princess25 [194]

Answer:

1232

Step-by-step explanation: