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3 years ago

9

If Frida has five friends who are available available to go to the movies with her but she only has four extra tickets how many

different choices does Rita have four for friends to invite

1 answer:

Fynjy0 [20]3 years ago

3 0

Answer:

Step-by-step explanation: she only has 3 because of herself

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Solve :1/1-x^a-b +1/1-x^b-a

Olegator [25]

Answer:

Step-by-step explanation:

$\frac{1}{1-x^{a-b}}+\frac{1}{1-x^{b-a}}\\\\\frac{1}{1-x^{b-a}}=\frac{1}{1-x^{-(a-b)}}=\frac{1}{1-\frac{1}{x^{a-b}}}\\=\frac{1}{\frac{x^(a-b)-1}{x^(a-b)}}=\frac{x^{a-b}}{x^{a-b}-1}\\\\=\frac{x^{a-b}}{-(1-x^{a-b})}=-\frac{x^{a-b}}{1-x^{a-b}}\\\\\frac{1}{1-x^{a-b}}+\frac{1}{1-x^{b-a}}=\frac{1}{1-x^{a-b}}-\frac{x^{a-b}}{1-x^{a-b}}\\\\=\frac{1-x^{a-b}}{1-x^{a-b}}=1$

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3 years ago

In the number 32.8 which digit is in the ones place<br>help pls

alexira [117]

Answer:

Step-by-step explanation:

the number 2 is in the ones place

its a pretty easy answer

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3 years ago

Please help ASAP URGENT

Thepotemich [5.8K]

The question simply means how many pizzas are sold per coupon. The equation gives us 3.4x where x is the number of coupons issued. With each coupon issued 3.4 pizzas are sold.

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4 years ago

What measures of the cylinder do 26 and 34 describe?

dezoksy [38]

radius and diameter

The Radius is the distance from the center outwards. The Diameter goes straight across the circle, through the center. The Circumference is the distance once around the circle.

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3 years ago

Read 2 more answers

A group of people consumes an amount of protein equal to the estimated average requirement for their population group. What perc

liubo4ka [24]

Answer:

50%

Step-by-step explanation:

This is essentially not a math question buth rather one of dietary reference and recommendeations. FAO gives the Estimated Average Requirement(EAR), as 0.5(50%). This figure is defined as the intake at which there's risk of inadequacy to an individual.

*View link below for more comprehensive information.

https://www.ncbi.nlm.nih.gov/books/NBK114332/

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3 years ago