MATHEMATICS HIGH SCHOOL

Evaluate the expression. 32 ÷ 8 · 4 A. 1 B. 8 C. 16 D. 64

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Answer 1
Answer: the answer is 16 I meant srry couldn't read it
Answer 2
Answer:

Answer:

C. 16

32/8=4  4x4=16

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A cone has a circular base with a diameter of 18 inches. the height of the cone is 40 inches. what is the approximate lateral area of the cone? use 3.14 for π and round to the nearest whole number. 565 square inches 580 square inches 1,131 square inches 1,159 square inches

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The lateral area of a cone is expressed as:

Lateral surface area of a cone: L = πrs = πr√(r^2 + h^2)
                                                        L = π(9)√(9^2 + 40^2)
                                                        L = 1159.248 

Therefore, the correct answer is the last option. Hope this answers the question. Have a nice day.

To solve this problem, we have to use the formula of lateral surface area of a cone and substituting the values into the formula and then solve.

The lateral surface area of this cone is 2260.8in^2

Lateral Surface Area of a Cone

The lateral surface area of a cone is calculated using

L_a = 2\pi rh

The data in the question are

  • diameter = 18in
  • radius = 9in
  • height = 40
  • π = 3.14

Let's substitute the values into the equation and solve

L_a = 2\pi r h\nL_a = 2 * 3.14 * 9 * 40 \nL_a = 2260.8in^2

The lateral surface area of this cone is 2260.8in^2

Learn more on lateral surface area of a cone here;

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Two lighthouses flash their lights every 20 seconds and 30 seconds respectively. Given that they flash together at 8 p.m, when will they next flash together?

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 The first one will flash at every 30 sec and the second one at 20 sec. The second one will go like 1- 4- 8 and then to 12. By the time the second one will reach first at 6 and then on 12. So, after every 1 minute they will flash together. 

Find the LCM of the set of polynomials.

4m^3p, 9mp^4, 18m^4p^2

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The LCM would be m^3p

Answer:

mp3 your welcome

Step-by-step explanation:

smile all day

Graph h(x)=8 I x+1 I -1.

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Answer:

search it up its there

Step-by-step explanation:

Please help. I have been stuck for days now

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Answer:

∠RWT

Step-by-step explanation:

The angels in matching corners are  corresponding angles

2 + 2 + 2 + 2 + 2 + 2 + 2

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