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kenny6666 [7]
3 years ago
7

Help needed please and thank you

Mathematics
1 answer:
Dovator [93]3 years ago
4 0
A OK this was hard very hard
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Solve on the interval [0,2pi): 2cscx+5=1
pantera1 [17]

x\in[0,\ 2\pi)\\\\2\csc x+5=1\ \ \ \ |-5\\\\2\csc x=-4\ \ \ \ |:2\\\\\csc x=-2\\\\\dfrac{1}{\sin x}=-2\to\sin x=-\dfrac{1}{2}\to x=-\dfrac{\pi}{6}+2k\pi\ \vee\ x=\dfrac{7\pi}{6}+2k\pi\\\\x\in[0,\ 2\pi)\to x=-\dfrac{\pi}{6}+2\pi=\dfrac{11\pi}{6}\ \vee\ x=\dfrac{7\pi}{6}\\\\Answer:\ \boxed{D.\ \dfrac{7\pi}{6},\ \dfrac{11\pi}{6}}}

7 0
3 years ago
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Bonita is testing prototype model rocket engines. To be considered a successful launch, the rocket must reach a height of at lea
lbvjy [14]

Answer:

(0, 33)   : Yes

(4.8,  30.5)  : Yes


Step-by-step explanation:

height of at least 24 ft :  y >= 24

horizontal distance of no more than 10 ft. : 0 <= x <= 10

The vertical height must be at least three times as high as the horizontal distance. No rocket should go higher than 33 ft.:

y >=  3x and y <= 33

So Constraints:

24 <= y <= 33

y >= 3x

0 <= x <= 10

Now check to see if those coordinate points meet all the constraints

(0, 33)   : Yes

(4.8, 30.5)  : Yes

(9, 26)  : No (because 26 is less than (3 * 9) = 27)

(4, 36) : No (because 36 > 33,  must be 24 <= y <= 33)

(2, 22): No (because 22 <24,  must be 24 <= y <= 33)

5 0
3 years ago
Three toed sloths move slowly using as littile energy as Possible.They sleep,Eat,and evening give birth upside down.A baby sloth
Bumek [7]

Answer:

3636 hours

Step-by-step explanation:

The calculation of duration of baby sloth sleep is shown below:-

A three-toes sloth usually sleeps is

= 101 hours per week.

Number of week is

= 36

Since we need to compute the duration of baby sloth's sleep so we need to multiply the number of weeks with number of hours per week

Therefore,

The duration of baby sloth's sleep in 36 weeks

= 36 x 101

= 3636 hours

5 0
3 years ago
You lose 2 points every time you forget to write your name on a test. You have forgotten to write your name 4 times. What intege
Fed [463]

Answer:

The answer is -8

I hope this helps you :D

5 0
2 years ago
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If the coordinates of point A are (-3,2) and the coordinates of point B are (7,6) the x intercept of cd is
Rainbow [258]
You have to use the equation which has just slipped my mind. It say x1-y1 over x2-y2. Then you will find x. I am so sorry this equation name slipped my mind. If I remember I will let you know.
4 0
2 years ago
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