3 years ago

Solve x(−2)3=−2(5). The solution is x=

Mathematics

1 answer:

Solnce55 [7]3 years ago

6 0

Exact form : 5/3
decimal form : 1.6 repeating
mixed number form : 1 2/3

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The surface area of a right cone is 400.2 m2. The radius of the cone is 6.0 m. Determine the height of the cone to the nearest m

svetoff [14.1K]

S = πr(r + √(h² + r²))
  400.2 = 3.14(6)(6 + √(h² + 6²))
  400.2 = 18.84(6 + √(h² + 36))
  18.84   18.84
  21¹⁰⁹/₄₇₁ = 6 + √(h² + 36))
  - 6 - 6
  15¹⁰⁹/₄₇₁ = √(h² + 36)
231²²¹⁰⁰⁵/₂₂₁₈₄₁ = h² + 36
- 36   - 36
195²²¹⁰⁰⁵/₂₂₁₈₄₁ = h²
  14 ≈ h

8 0

3 years ago

your friend says that the volume of a sphere with a radius r is four times the volume of a cone with radius r. when is this true

Ierofanga [76]

Volume of a sphere is given by the formula: $V_{\circ}=\frac43\pi r^3$

If we pull the 4 out front we have, $V_{\circ}=4\left(\frac13\pi r^3\right)$ .

Volume of a cone is given by the formula: $V_{\triangle}=\frac{1}{3}\pi r^2\cdot h$

Notice that if the height of the cone is equal to the radius, $V_{\triangle}=\frac13\pi r^2\cdot r$

then it's exactly what we see in our volume formula without the 4!

7 0

3 years ago

You play a gambling game with a friend in which you roll a die. if a 1 or 2 comes up, you win $9. how much should you lose on an

EleoNora [17]

To make it a fair game you should lose $4.5

3 0

3 years ago

Help me pleaseeeee!!!

arlik [135]

Answer:

(6, 5) is the answer.

Step-by-step explanation:

The y's intersect at (6, 5)

3 0

3 years ago

Can someone help me please

alex41 [277]

I believe the answer is 34.

Explanation:
I used the equation a^2 + b^2 = c^2

10 = a

24 = b

Plug it in.

10^2 + 24^2 = c^2

Get rid of the ^2

10 + 24 = 34

8 0

2 years ago