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3 years ago

calculate the lateral area and volume of a truncated cone of radii 10cm and 12cm and a slant height of 15cm

Mathematics

1 answer:

Strike441 [17]3 years ago

8 0

Answer:

The lateral surface is 212

Step-by-step explanation:

Lateeal surface area is = Ph

12+12+10+10(15)=212

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MariettaO [177]

$\qquad\qquad\huge\underline{{\sf Answer}}$

Let's find out the gradient (Slope " m ") of line q ;

$\qquad \sf \dashrightarrow \:m = \dfrac{y_2 - y_1}{x_2 - x_1}$

$\qquad \sf \dashrightarrow \:m = \dfrac{4 - 0}{0 - 1}$

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Now, since we already know the gradient let's find of the equation of line by using its Slope and one of the points using point slope form of line :

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Now, plug in the value of gradient ~

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5 0

2 years ago

Is the point (2,8) a solution of the equation y = 13x + 12?<br> O Yes<br> O No

vovikov84 [41]

Answer:

O No

Explanation:

Given equation: y = 13x + 12

To check if (2, 8) is a solution of the given equation.

Substitute x and y value in equation and check if it is true.

$\rightarrow y = 13x+12$

(x, y) = (2, 8)

$\rightarrow 8 = 13(2)+12$

simplify

$\rightarrow 8 = 38$

This following statement is false and hence (2, 8) is not a solution.

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1 year ago

the taco truck sells tacos for $3 and burritos for $4. the number of items sold on a tuesday is 125 with a total income of $430.

butalik [34]

Answer:

Step-by-step explanation:

Hi, to answer this question we have to write a system of equations:

3 T + 4 B =425

T + B = 125

Where T is the number of tacos sold, and B is the number of burritos sold.

Multiplying the second equation by 3, and subtracting it to the first equation:

3 T + 4 B =425

3T + 3B = 375

___________

B =50

Replacing B in any equation:

T + B = 125

T +50 =125

T =125-50

T = 75

Feel free to ask for more if needed or if you did not understand something.

5 0

2 years ago

calculate the lateral area and volume of a truncated cone of radii 10cm and 12cm and a slant height of 15cm​

calculate the lateral area and volume of a truncated cone of radii 10cm and 12cm and a slant height of 15cm