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Vika [28.1K]
3 years ago
7

Region R is bounded by the curves y = 4x2 and y = 4. A solid has base R, and cross sections perpendicular to the y-axis are semi

circles with the diameter lying in R. The volume of this solid is...
Mathematics
1 answer:
natulia [17]3 years ago
5 0

Answer:

69

Step-by-step explanation:

12+22=69

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For a circle with a radius of 6 feet, what is the measurement of the central angle (in degrees) that intercepts an arc with a le
sp2606 [1]
<h3>The measurement of the central angle is 135 degrees</h3>

<em><u>Solution:</u></em>

<em><u>The length of arc when angle given in degrees is given as:</u></em>

Arc\ length = \frac{ \theta }{360} \times 2 \pi r

Where,

r is the radius

\theta is the central angle in degrees

From given,

r = 6\ feet\\\\Arc\ length = \frac{ 9 \pi }{2}\ feet

Substituting the values we get,

\frac{9 \pi }{2} = \frac{ \theta }{ 360} \times 2 \times \pi \times 6\\\\9 \times 360= \theta \times 24\\\\\theta = 135

Thus the measurement of the central angle is 135 degrees

4 0
3 years ago
Explain how place value could be used to find the difference between 4.23 into 2.75
Tomtit [17]
Because without place value you might put the decimal in the wrong place and that will effect the answer big time.
5 0
3 years ago
Order the numbers from least to greatest.<br> 3.4, 31/5, 35.8%, 3.64, 322%
crimeas [40]
Order the numbers from least to greatest.
3.4, 31/5, 35.8%, 3.64, 322%

8 0
2 years ago
Part of a W-2 is shown.
sweet-ann [11.9K]

Answer:

$ 4466.83

Step-by-step explanation:

It says "Federal tax withhold" with the amount.

7 0
3 years ago
Read 2 more answers
Carol is going to make a wooden pyramid and then paint it. She drew the net of a square pyramid as shown below to help her plan
rodikova [14]

The given pyramid's total surface area is 3. 24.0 square feet.

Step-by-step explanation:

Step 1:

To calculate the surface area of the given figure, we need to find the surface areas of the different shapes in the figure.

There are 3 triangles and 1 square in the figure.

Step 2:

All the triangles are similar.

The surface area of a triangle = \frac{1}{2} (baselength)(height).

The similar triangles have a base length of 3 feet and a height of 2.5 feet.

The surface area of 1 similar triangle = \frac{1}{2} (3)(2.5)= 3.75 square feet.

The surface area for all the similar triangles = 3.75 (4) = 15 square feet.

Step 3:

The surface area of a square is the square of its side length. The square has a side length of 3 feet.

The surface area of the square = a^{2} = 3^{2} =9 square feet.

Step 4:

To calculate the total surface area we sum up all the individual surface area.

The total surface area = 15 + 9 = 24 square feet which is the third option.

3 0
3 years ago
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