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Tems11 [23]
3 years ago
15

EXTRA POINTS

Mathematics
2 answers:
hram777 [196]3 years ago
8 0

Answer:

Step-by-step explanation:

The volume of the pyramid = (1/3)*area of base *height

= (1/3)*10*24*13 = 1040 cubic units.

The total surface area = area of rectangular base + area of 2 isosceles triangles with a base of 24 units + area of 2 isosceles triangles with a base of 10 units.

Area of rectangular base = 24*10 = 240 sq units.

The slant height of isosceles triangles with a base of 24 units = [(10/2)^2+13^2]^0.5 = [25+169]^0.5 = 194^0.5 = 13.92838828 units.

The area of 2 isosceles triangles with a base of 24 units 2*24*13.92838828/2 = 334.2813187 sq units.

The slant height of isosceles triangles with a base of 10 units = [(24/2)^2+13^2]^0.5 = [144+169]^0.5 = 194^0.5 = 17.69180601 units.

The area of 2 isosceles triangles with a base of 10 units 2*10*17.69180601/2 = 176.9180601 sq units.

The total surface area of the pyramid = 240 + 334.2813187 + 176.9180601 = 591.9731247 sq units.

Nimfa-mama [501]3 years ago
7 0

Answer: 120 cm cubed

Step-by-step explanation:

vol = 1/3 x base area x ht

9x4 = 36 = base area

1/3 x 36 = 12

12x10 = 120

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The side lengths of a triangle are 9, 12, and 15. Is this a right triangle?
andriy [413]

Answer:

<h2>Yes, this is a right triangle.</h2>

Step-by-step explanation:

Hypotenuse always have the highest number than base and perpendicular.

Hypotenuse ( h ) = 15

Base ( b ) = 9

Perpendicular ( p ) = 12

Let's see whether the given triangle is a right triangle or not

Using Pythagoras theorem:

{h}^{2}  =  {p}^{2}  +  {b}^{2}

Plugging the values,

{15}^{2}  =  {12}^{2}  +  {9}^{2}

Evaluate the power

225  = 144 + 81

Calculate the sum

225 = 225

Hypotenuse is equal to the sum of perpendicular and base.

So , we can say that the given lengths of the triangle makes a right triangle.

Hope this helps..

Best regards!!

4 0
3 years ago
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What is the volume, in cubic centimeters, of a right rectangular prism that has a lenght of 4 centimeters, a width of 9 centimet
Temka [501]

Answer:

The volume of the prism is 360 cm^3.

Step-by-step explanation:

The rectangular prism is a three dimensional figure formed by six rectangular faces. It's volume is given by the product of it's three dimensions. The calculation for the volume of this prism is shown bellow:

volume = width*height*length

volume = 9*10*4

volume = 360 cm^3

The volume of the prism is 360 cm^3.

7 0
3 years ago
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Help with geometry will mark brainliest for correct anwsers
Veseljchak [2.6K]
The first one is (-2,1)
The other one is 36
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3 years ago
Mark simplified three over five divided by five over eight.; his work is shown below. Identify where he made his error. Original
yulyashka [42]

Answer:

step 3

Step-by-step explanation:

3 x 8 = 24 thats correct but 5 x 5 = 25 not 5

i took the test

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3 years ago
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What is 16.437 rounded to the nearest whole number
yaroslaw [1]

Hello,

Question- What is 16.437 rounded to the nearest whole number

Answer- 16

Well to round up to higher numbers you need to have a 5 or higher and it seems that 16.(4)37 so that 4 is lower than a 5 in that case you will stay with 16!

Important- If my answer helped you please mark me as brainliest thank you and have the best day ever!

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