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Nesterboy [21]
3 years ago
8

What does Csc²x equal to? A- 1 B- 1 + sec²x C- 1 / sin²x D- 1-cos x

Mathematics
1 answer:
Lorico [155]3 years ago
4 0

Answer:

C - 1 / sin^2x

Step-by-step explanation:

as csc x = 1 / sin x

so, csc^2 x = 1 / sin^ 2x

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It took the high school hockey team 5h to travel to a tournament in Thunder Bay. They travelled by bus and plane a total distanc
mote1985 [20]
Entire distance = 1,320
Entire time = 5 hours

bus avg = 40 km/h
plane avg = 600 km/h

Working this by trial and error
1 hour bus 4 hour plane = 40 + 2,400 = 2,800 distance (too high)
2 hour bus 3 hour plane = 80 + 1,800 = 1,880 distance (too high)
3 hour bus 2 hour plane = 120 + 1,200 = 1,320 distance (Correct!!)

So, they traveled 3 hours by bus and 2 hours by plane
(yes, you had the right answer).

8 0
3 years ago
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lisov135 [29]

Answer:

A i think

Step-by-step explanation:

8 0
2 years ago
A watering can dispenses water at a rate of 0.15 gallon per minute. The original volume of water in the can was 5 gallons. Which
Yakvenalex [24]
The 1st value is the time, and the 2nd value is the volume remaining in the can. the can is full at time x = 0 so y = 6.0 1 minute later x = 1 so y = 6.0 - 0.25 and for every 1 unit increase in x, y decreases by 0.25
8 0
4 years ago
What is the first step in simplyfing a rational expression
brilliants [131]

Answer:

The first step is you have to eliminate all factors that are common of the numerator and the denominator.  

Step-by-step explanation:

If you need more help ,here's a link   https://www.mathplanet.com/education/algebra-1/rational-expressions/simplify-rational-expression

5 0
3 years ago
Select the correct answer.
Llana [10]

Answer:

\huge\boxed{x=2\ and\ y=-3}

Step-by-step explanation:

22(x+yi)+(28+4i)=72-62i\\\\22x+22yi+28+4i=72-62i\\\\(22x+28)+(22y+4)i=72-62i\Rightarrow22x+28=72\ \wedge\ 22y+4=-62\\\\22x+28=72\qquad|\text{subtract 28 from both sides}\\22x=44\qquad|\text{divide both sides by 22}\\\boxed{x=2}\\\\22y+4=-62\qquad|\text{subtract 4 from both sides}\\22y=-66\qquad|\text{divide both sides by 22}\\\boxed{y=-3}

8 0
3 years ago
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