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Feliz [49]
4 years ago
7

Please help right away

Mathematics
1 answer:
STALIN [3.7K]4 years ago
4 0

Answer:

443 jelly boys

Step-by-step explanation:

the raius is 3.5, then square it is 12.25, multiplied by pie,  12.25*3.14159=38.4844775, then times 11.5 is 442.57149125‬, aproximately 443.

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Please help me out :P
Veseljchak [2.6K]

cos θ = \frac{-4\sqrt{65} }{65}, sin θ = \frac{-7\sqrt{65} }{65}, cot  θ  = 4/7, sec  θ = \frac{-\sqrt{65} }{4}, cosec  θ  = \frac{-\sqrt{65} }{7}

<h3>What are trigonometric ratios?</h3>

Trigonometric Ratios are values of all the trigonometric functions based on the value of the ratio of sides in a right-angled triangle.

Sin θ: Opposite Side to θ/Hypotenuse

Tan θ: Opposite Side/Adjacent Side & Sin θ/Cos

Cos θ: Adjacent Side to θ/Hypotenuse

Sec θ: Hypotenuse/Adjacent Side & 1/cos θ

Analysis:

tan θ = opposite/adjacent = 7/4

opposite = 7, adjacent = 4.

we now look for the hypotenuse of the right angled triangle

hypotenuse = \sqrt{7^{2} + 4^{2} } = \sqrt{49+16} = \sqrt{65}

sin θ = opposite/ hyp = \frac{7}{\sqrt{65} }

Rationalize, \frac{7}{\sqrt{65} } x \frac{\sqrt{65} }{\sqrt{65} } = \frac{7\sqrt{65} }{65}

But θ is in the third quadrant(180 - 270) and in the third quadrant only tan and cot are positive others are negative.

Therefore, sin θ = - \frac{7\sqrt{65} }{65}

cos   θ  = adj/hyp = \frac{4}{\sqrt{65} }

By rationalizing and knowing that cos  θ  is negative, cos θ  = -\frac{-4\sqrt{65} }{65}

cot θ  = 1/tan θ  = 1/7/4 = 4/7

sec θ  = 1/cos θ  = 1/\frac{4}{\sqrt{65} } = -\frac{-\sqrt{65} }{4}

cosec θ  = 1/sin θ  = 1/\frac{\sqrt{65} }{7} = \frac{-\sqrt{65} }{7}

Learn more about trigonometric ratios: brainly.com/question/24349828

#SPJ1

5 0
2 years ago
Need help !!!!!!!!!!!!!!!!!!!
Tems11 [23]
Rectangle. it’s a 2d 4 sided shape with 2 sets of parallel sides
4 0
3 years ago
A baseball teams starting lineup has 3 left handed hitter, 4 right handed hitter, and 2 switch hitters . if there are a total of
neonofarm [45]

Answer:  45 players

Step-by-step explanation:

4+3+2=9 9x9=81   9x2=18. 9x3=27 27+18=45

5 0
3 years ago
The larger of two numbers is five more than twice the smaller. The difference is thirteen. Find numbers.
KIM [24]
The numbers are x and y
x>y

x=5+2y

x-y=13
so
sub 5+2y for x
5+2y-y=13
5+y=13
y=8

sub back
x-y=13
x-8=13
21=x

the numbres are 21 and 8
4 0
3 years ago
Please answer thanks
mamaluj [8]

Answer:

Step-by-step explanation:

V= ?\\r = 2\\h = 5\\\pi = 3.14\\\\V = \frac{1}{3} \pi*r^{2} *h\\\\V = \frac{1}{3} *3.14*2^{2} *5\\\\V= \frac{1}{3} *12.56*5\\\\V=  \frac{1}{3}* 62.8\\\\V = 20.93333333\\\\\\V = 20.93

In terms of pi

V= ?\\r = 2\\h = 5\\V = \frac{1}{3} \pi*r^{2} *h\\\\V= \frac{1}{3} *\pi*2^{2} *5\\\\V = \frac{1}{3} \pi*20\\V=  6.67\pi\\

8 0
3 years ago
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