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marin [14]
3 years ago
14

Answer this question to get Brainliest. The answer will be deleted if “troll”. Please answer ASAP

Mathematics
2 answers:
Luba_88 [7]3 years ago
6 0

Answer: 129.81 m, roughly 130 m

Step-by-step explanation: Let me know if you need an explanation.

Margarita [4]3 years ago
5 0

Answer:

Applying the alternative interior pair of angles theorem => B = 31 deg

Applying the trigonometry property of tangent, the distance from the cliff to the boat is calculated by:

D = 78/tan(B) = 78/tan(31) =~129.81

Hope this helps!

:)

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The current i in ameperes at time t in a particular circuit is given by i=12 sin 5 cos t find the maximum current​
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Step-by-step explanation:

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3 years ago
Zara is serving a fresh pie. She starts by cutting the pit in half, and then cuts each half into 4 equal pieces. What fraction o
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C.

If each 1/2 is cut in 4 than you would have to multiply that by 2 because it's only half. Then since you're finding what fraction is it you would put a 1 on top and say 1/8.
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4 years ago
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Find an equation of the sphere that passes through the origin and whose center is (-2, 2, 3). Be sure that your formula is monic
Andrei [34K]

Answer:

\bold{(x+2))^2+(y-2)^2+(z-2)^2=17}

Step-by-step explanation:

Given the center of sphere is: (-2, 2, 3)

Passes through the origin i.e. (0, 0, 0)

To find:

The equation of the sphere ?

Solution:

First of all, let us have a look at the equation of a sphere:

(x-a)^2+(y-b)^2+(z-c)^2=r^2

Where (x,y,z) are the points on sphere.

(a, b, c) is the center of the sphere and

r is the radius of the sphere.

Radius of the sphere is nothing but the distance between any point on the sphere and the center.

We are given both the points, so we can use distance formula to find the radius of the given sphere:

D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2+(z_2-z_1)^2}

Here,

x_1 =0 \\y_1 =0 \\z_1 =0 \\x_2 =-2 \\y_2  =2 \\z_2 =3

So, Radius is:

r = \sqrt{(-2-0)^2+(2-0)^2+(3-0)^2}\\\Rightarrow r = \sqrt{4+4+9} = \sqrt{17}

Therefore the equation of the sphere is:

(x-(-2))^2+(y-2)^2+(z-2)^2=(\sqrt{17})^2\\\bold{(x+2))^2+(y-2)^2+(z-2)^2=17}

4 0
3 years ago
amina bout an air cooler for a AED 3300 including VAT of 5% find the price of the air cooler before VAT was added
Olenka [21]
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vat added:- 5%
so, price before vat was added:-5/100×3,300=AED165
8 0
3 years ago
Can someone please help?
Sati [7]

Answer:

It is closer to 7,000 than 8,000

4 0
3 years ago
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