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Mashutka [201]
3 years ago
10

PLZ HELP

Mathematics
1 answer:
Agata [3.3K]3 years ago
4 0

Answer:

\frac{5x^{2} }{12}

Step-by-step explanation:

Given: Height: x

          Base: \frac{5x}{6}

Now, finding the area of triangle.

Formula; Area of triangle= \frac{1}{2} \times base\times height

⇒ Area of triangle= \frac{1}{2}\times \frac{5x}{6} \times x

⇒ Area of triangle= \frac{5x^{2} }{12}

Hence, area of triangle= \frac{5x^{2} }{12}

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Hoochie [10]

Answer:

Step-by-step explanation:

The correct answer would actually be 15 because (-5) multiplied by -3 makes it positive 15.

3 0
3 years ago
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What is the exact volume of the cone
Travka [436]

Answer:

V = \frac{400}{3}\pi

Step-by-step explanation:

Volume of a cone is:

V = \pi r^{2} \frac{h}{3}

Substitute values given:

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V = \pi (25)(\frac{16}{3} )

V = \pi \frac{400}{3}

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5 0
2 years ago
An hourglass, composed of two identical cones, is 12 cm tall. The radius of each cone is 3 cm. If you want to fill the bottom ha
EleoNora [17]
The volume of a cone is V= (1/3)pi r²h
it was given 
h=12cm
radius=3cm 
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and since the two cones are identical so V1=V2=<span>56.52cm^3,
we need </span><span>56.52cm^3 or salt </span>
6 0
3 years ago
I have 1 min left plz i need help
FrozenT [24]

Answer: the first, second, and fourth are correct.


Step-by-step explanation:

28-10%=25.2

28-25%=21

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3 0
3 years ago
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Paladinen [302]

Answer:

x =  -  \frac{24}{11}  \\  \\ y =  \frac{65}{22}

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