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2 years ago

A 30 B 50 C 52 D 60 Thank you

Mathematics

1 answer:

qaws [65]2 years ago

7 0

Answer:

B. 50

Step-by-step explanation:

AD=AB so 13=AD also.

DE=12 so EB=12 also.

When you add DE and EB together you get DB= 24

There are 2 legs and 1 hypotenuse to a triangle. Your legs are a+b and you hypotenuse is c.

AD=a(13) AB=b(13) DB=c(24)

P= a+b+c

so you add 13 + 13+ 24

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Need to find volume, step by step explanation pls <br><br><br><br>

worty [1.4K]

Given:

A figure of combination of hemisphere, cylinder and cone.

Radius of hemisphere, cylinder and cone = 6 units.

Height of cylinder = 12 units

Slant height of cone = 10 units.

To find:

The volume of the given figure.

Solution:

Volume of hemisphere is:

$V_1=\dfrac{2}{3}\pi r^3$

Where, r is the radius of the hemisphere.

$V_1=\dfrac{2}{3}(3.14)(6)^3$

$V_1=\dfrac{6.28}{3}(216)$

$V_1=452.16$

Volume of cylinder is:

$V_2=\pi r^2h$

Where, r is the radius of the cylinder and h is the height of the cylinder.

$V_2=(3.14)(6)^2(12)$

$V_2=(3.14)(36)(12)$

$V_2=1356.48$

We know that,

$l^2=r^2+h^2$ [Pythagoras theorem]

Where, l is length, r is the radius and h is the height of the cone.

$(10)^2=(6)^2+h^2$

$100-36=h^2$

$\sqrt{64}=h$

$8=h$

Volume of cone is:

$V_3=\dfrac{1}{3}\pi r^2h$

Where, r is the radius of the cone and h is the height of the cone.

$V_3=\dfrac{1}{3}(3.14)(6)^2(8)$

$V_3=\dfrac{25.12}{3}(36)$

$V_3=301.44$

Now, the volume of the combined figure is:

$V=V_1+V_2+V_3$

$V=452.16+1356.48+301.44$

$V=2110.08$

Therefore, the volume of the given figure is 2110.08 cubic units.

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2 years ago

Can you please help with 19&23? 19 says write an expression to represent the perimeter. Thanks!

Valentin [98]

the perimeter is simply the sum of all its sides.

(6a+8)+(12a)+(6a+8)+(10a-4)

34a + 16 - 4

34a + 12.

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2 years ago

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jasenka [17]

Answer:Search it up

Step-by-step explanation:

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2 years ago

Nineteen less than 6 times a number is the same as 16 more than the number. The equation is The solution is x -7 7.

Crank

Answer:

The number is 7

Step-by-step explanation:

let the said number be x

Nineteeen less than 6 times a number;

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equals; 16 more than the number; this is 16 + x

Thus;

6x - 19 = 16 + x

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fiasKO [112]

Answer:

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