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Vika [28.1K]
3 years ago
5

What is the value of n to the nearest whole number? 18 22 29 41

Mathematics
2 answers:
Genrish500 [490]3 years ago
5 0

Answer:

22

Step-by-step explanation:

just took the test

Alekssandra [29.7K]3 years ago
3 0
---------------------------------------------
Formula
---------------------------------------------
a² = b² + c² - 2bccos(A)

---------------------------------------------
Find n
---------------------------------------------
n² =20² + 9² - 2(20)(9)cos(90)
n² = 481
n = √481
n = 22 (nearest whole number)

---------------------------------------------
Answer: n = 22 units
---------------------------------------------
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A conical pit of top diameter 3.5 m is 12 m deep. What is the capacity in kilolitres?
vlada-n [284]

Answer:

Therefore, the capacity of conical pit is 38.5 kilolitres.

Step-by-step explanation:

Given:

Shape is of Cone

Diameter = d = 3.5 m

∴ Radius = \dfrac{3.5}{2}=1.75

Deep = Height = h = 12 m

Pi=\dfrac{22}{7}

To Find:

Volume of Conical Pit( in kilolitres) = ?

Solution:

Volume of Cone is given by the formula,

\textrm{Volume of Cone}=\dfrac{1}{3}\pi (radius)^{2} \times height

Substituting the values we get

\textrm{Volume of Cone}=\dfrac{1}{3}\times \dfrac{22}{7}\times (1.75)^{2} \times 12=38.5\ m^{3}

Also,

1\ m^{3}=1000\ Litres=1\ kilolitres\\\\\therefore 38.5\ m^{3}=38.5\ kilolitres

Therefore, the capacity of conical pit is 38.5 kilolitres.

7 0
3 years ago
Use the Distributive Property to rewrite the the expression -6 (r-8)
luda_lava [24]

-6r+48

Step-by-step explanation:

7 0
4 years ago
Amelia and Joey decided to shoot arrows at a simple target with a large outer ring and a smaller bull's-eye. Amelia went first a
Alona [7]

Answer:

outer ring worth 14 pts

bull's-eye worth 74.333333 pts

Step-by-step explanation:

let the worth point of landing an arrow on the outer ring be "x" and on bull's eye be "y"

For amelia

3x + 3y = 267

For joey

4x + 3y = 281

<em>s</em><em>u</em><em>b</em><em>t</em><em>r</em><em>a</em><em>c</em><em>t</em><em>i</em><em>n</em><em>g</em><em> </em><em>t</em><em>h</em><em>e</em><em> </em><em>f</em><em>i</em><em>r</em><em>s</em><em>t</em><em> </em><em>e</em><em>q</em><em>u</em><em>a</em><em>t</em><em>i</em><em>o</em><em>n</em><em> </em><em>f</em><em>r</em><em>o</em><em>m</em><em> </em><em>t</em><em>h</em><em>e</em><em> </em><em>s</em><em>e</em><em>c</em><em>o</em><em>n</em><em>d</em>

x = 14

3x + 3y = 267

42 + 3y = 267

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3 0
4 years ago
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Softa [21]

Answer:

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Step-by-step explanation:

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Answer:

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