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Gnoma [55]
1 year ago
10

Evaluate 12 ÷ (-3)(2) + 5-133-3

Mathematics
1 answer:
shepuryov [24]1 year ago
5 0

Solution

The question would like us to evaluate the following:

12÷-3\left(2\right)+5

- The solution is given below:

\begin{gathered} 12\div(-3)(2)+5 \\ \text{ Perform the division first before multiplication because we move from left to right when} \\ division\text{ and multiplication are together} \\ 12\div(-3)=-4 \\  \\ Thus,\text{ we have} \\ 12\div(-3)(2)+5=-4(2)+5 \\  \\ -4(2)+5=-8+5 \\  \\ =-3 \end{gathered}

Final Answer

The answer is -3

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omeli [17]

Answer:

x=45.5

Step-by-step explanation:

sum of angles of a quadrilateral is 360°

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7 0
2 years ago
3. A prop for the theater club’s play is constructed as a cone topped with a half-sphere. What is the volume of the prop? Round
Mariana [72]

The volume of the prop is calculated to be 2,712.96 cubic inches.

<u>Step-by-step explanation:</u>

Step 1:

The prop consists of a cone and a half-sphere on top. We will have to calculate the volumes of the cone and the half-sphere separately and then add them to obtain the total volume.

Step 2:

The volume of a cone is determined by multiplying  \frac{1}{3} with π, the square of the radius (r²) and height (h). Here we substitute π as 3.14. The radius is 9 inches and the height is 14 inches.

The volume of the cone :  V=\pi r^{2} \frac{h}{3} = 3.14 \times 9^{2} \times \frac{14}{3} = 1,186.92 cubic inches.

Step 3:

The area of a half-sphere is half of a full sphere. The volume of a sphere is given by multiplying  \frac{4}{3} with π and the cube of the radius (r³).

Here the radius is 9 inches. We take π as 3.14.

The volume of a full sphere =  V=\frac{4}{3} \pi r^{3} =  \frac{4}{3} \times 3.14 \times 9^{3} = 3,052.08 cubic inches.

The volume of the half-sphere =  \frac{3,052.08}{2} = 1,526.04 cubic inches.

Step 4:

The total volume = The volume of the cone + The volume of the half sphere,

The total volume = 1,186.92 + 1,526.04 = 2,712.96 cubic inches.

5 0
3 years ago
The distance of a trip
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Answer:

T-.5 = x (200)

Step-by-step explanation:

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$ 2.00 is the rate per hour.

so  T − .5 =  the time that will be charged at the rate

Therefore the  total charge is then

T − .5 × 2.00

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3 years ago
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