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Ganezh [65]
3 years ago
9

I need help with this, I don't understand how to do this.

Mathematics
1 answer:
sammy [17]3 years ago
4 0
Simple..A cyrcle first of all is a 360 degree angle...as a result

X=360-115-105-60

X=80 degrees
You might be interested in
What is 5x(23x2)<41 please i need the answer
pashok25 [27]

Answer:

x < 41/230

Step-by-step explanation:

5x x 46 < 41

230x < 41

4 0
3 years ago
For married couples living in a certain suburb, the probability that the husband willvote on a bond referendum is 0.21, the prob
jeyben [28]

Answer:

niglgapopfart

Step-by-step explanation:

12(5)6$78$???98

8 0
3 years ago
2. Carissa also has a sink that is shaped like a half-sphere. The sink has a volume of 3617 in3. One day, her sink clogged. She
sleet_krkn [62]

Answer:Yes, your answers are correct.

The volume of a cone is given by V = 1/3πr²h.  Since the diameter of the first cone is 4, the radius is 2; therefore the volume is

V = 1/3π(2²)(8) = 32π/3

We divide the volume of the sink, 2000π/3, by the volume of the cone:

2000π/3 ÷ 32π/3 = 2000π/3 × 3/32π = 6000π/96π = 62.5 ≈ 63.

The diameter of the second conical cup is 8, so the radius is 4.  The volume then is:

V = 1/3π(4²)(8) = 128π/3

Dividing the volume of the sink, 2000π/3, by 128π/3:

2000π/3 ÷ 128π/3 = 2000π/3 × 3/128π = 6000π/384π = 15.625 ≈ 16

Step-by-step explanation:

8 0
2 years ago
What is the domain of the relation?
TiliK225 [7]

Answer:

The domain of the relation is [(5,16,18,21]

Step-by-step explanation:

we have

[(15,65),(21,70),(18,73),(16,62)]

Remember that

The domain of the relation are the values of x

The range of the relation are the values of y

therefore

The domain is

[(5,21,18,16]

order them from lowest to highest ------->  [(5,16,18,21]

The range is

[65,70,73,62]

order them from lowest to highest ------->[62,65,70,73]

6 0
3 years ago
Zaheer, a boy of height 1.5m was watching the entire programme. Initially he observed the top of theflagpoleat an angle of eleva
torisob [31]

Answer:

h = 15.163\ meters

Step-by-step explanation:

(Assuming the correct angles are 30° and 45°)

We can use the tangent relation of the angle of elevation to find two equations, then we can use these equations to find the height of the pole.

Let's call the initial distance of the boy to the pole 'x'.

Then, with an angle of elevation of 30°, the opposite side to this angle is the height of the pole (let's call this 'h') minus the height of the boy, and the adjacent side to the angle is the distance x:

tan(30) = (h - 1.5) / x

Then, with an angle of elevation of 45°, the opposite side to this angle is still the height of the pole minus the height of the boy, and the adjacent side to the angle is the distance x minus 10:

tan(45) = (h - 1.5) / (x - 10)

So rewriting both equations using the tangents values, we have that:

0.5774 = (h - 1.5) / x

1 = (h - 1.5) / (x - 10) \rightarrow (h - 1.5) = (x - 10)

From the first equation, we have that:

x = (h - 1.5) / 0.5774

Using this value of x in the second equation, we have that:

h - 1.5 =  \frac{ (h - 1.5) }{0.5774} - 10

h + 8.5 =  \frac{ (h - 1.5) }{0.5774}

0.5774h + 4.9079 = h - 1.5

0.4226h = 6.4079

h = 15.163\ meters

5 0
3 years ago
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