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3 years ago

Calculate the area of this triangle. 13 cm 5 cm 12 cm-

Mathematics

2 answers:

stiv31 [10]3 years ago

6 0

Answer:

which one is the height?

inessss [21]3 years ago

3 0

Answer:

Step-by-step explanation:

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The total surface area of a hemisphere is 45 <img src="https://tex.z-dn.net/?f=%5Cpi%5Cp" id="TexFormula1" title="\pi\p" alt=

rjkz [21]

Answer:

The volume of the hemisphere

V = 121.33086 cubic centimeter

Step-by-step explanation:

Step(i):-

Given that the total surface area of a hemisphere = 45π cm²

The total surface area of a hemisphere = 3π r²

Equating

3π r² = 45π

$r^{2} = \frac{45}{3} =15$

r = $\sqrt{15} = 3.87$

The radius of the sphere 'r' = 3.87

Step(ii):-

The volume of the hemisphere

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

$V = \frac{2}{3} \pi (3.87)^{3}$

we know that π = 3.14

$V = \frac{2}{3} (3.14) (3.87)^{3}$

V = 121.33086 cubic centimeter

7 0

3 years ago

Can sum one help me

sleet_krkn [62]

Answer:

help with what exactly

8 0

3 years ago

What's the answer? 3-6+9-12+15-18+...+297-300

Vlad1618 [11]

Um well are u just adding and doing subtraction if so I think the answer is 12 idk I used calculator also I would need to know the answer choices I really don’t know if I’m right so don’t come at me

3 0

3 years ago

What is 2y+z-3y please

Anton [14]

Answer:

-1y + z

Step-by-step explanation:

2y + z - 3y [Given Expression]

-1y + z [Combine like-terms]

3 0

3 years ago

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Write in point slope form from an equation of the line that passes through the point (3,0) with a slope of 2/3

Snezhnost [94]

Answer:

$y - 0 = \frac{2}{3}(x - 3)$

Hope this helps! :) Hope this Helps!

Plz Give Brainliest!

6 0

3 years ago

Read 2 more answers