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Iteru [2.4K]
3 years ago
12

PLEASE HELP!! You can get anything you want at Alberto's restaurant, as long as what you want is a sandwich with two different f

illings. There are nine fillings to choose from (turkey, ham, roast beef, cheese, tomatoes, peppers, sprouts, oranges, and licorice). How many different sandwiches can you order (including the ones that nobody in their right mind would order)?
Mathematics
2 answers:
sp2606 [1]3 years ago
6 0
Man what type weird asstronaut homework question on probability, during the SUMMER would have that many answers. This would take like a whole summer to do anyway. I dont believe any teacher would assign this to you, and, again, during the summer.
swat323 years ago
5 0

Answer: 36

Step-by-step explanation:

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The question is in the screenshot
Sidana [21]

Answer:

b. -36/77

Step-by-step explanation:

As 0 < x < \pi/2 => tan x > 0

As 0< y <  \pi/2 => tan y > 0

We have the formula:

  • \frac{1}{sin^{2}x } =1 + cot^{2}x => \frac{1}{(8/17)^{2} } = 1+cot^{2}x => cot^{2} x=225/64

As tan x = 1/(cotx) => tan^{2}x = \frac{1}{cot^{2}x} =\frac{1}{225/64} = \frac{64}{225}

As tan x > 0 => tan x = 8/15

  • \frac{1}{cos^{2}y } = 1+tan^{2}y => \frac{1}{(3/5)^{2} } = 1 + tan^{2} y => tan^{2}y=\frac{16}{9}

As tan y > 0 => tan y = 4/3

As tan (x-y)= \frac{tan x - tan y}{1+ tanx * tany} =\frac{(8/15)-(4/3)}{1+(8/15)*(4/3)} = \frac{-36}{77}  

8 0
3 years ago
If f(x)=2x²-x find f(-3)
ivolga24 [154]

Answer:

21

Step-by-step explanation:

f(x) = 2x^2 - x

f(-3) = 2*(-3)^2 - (-3)

=2*9 +3

=18 +3

=21

3 0
3 years ago
Read 2 more answers
Congruent triangles pls help
Harrizon [31]
Congruent triangle are the same shape and same size exactly
8 0
3 years ago
What does fregmant means
disa [49]

Answer: A section of something

Step-by-step explanation: A section of something

4 0
3 years ago
The perimeter of a rectangle is 62m. find the length of its sides if it is known that the area of the rectangle is 1980000 cm².
ss7ja [257]
The perimeter of a rectangle is 62m. find the length of its sides if it is known that the area of the rectangle is 1980000 cm².

6 0
3 years ago
Read 2 more answers
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