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Pani-rosa [81]
3 years ago
6

Shane reads 16 pages in 8 minutes.

Mathematics
2 answers:
Alika [10]3 years ago
4 0
A. 2 pages per minute
B. 1/2 minute per page

Hope this helps
r-ruslan [8.4K]3 years ago
4 0
A irs to pages per screen
B is you down to 5
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10. A weight hangs on a spring. The vibration period of that weight is the time in which it makes a complete cycle in motion. Su
Alenkinab [10]

The vibration period of the spring will be 0.2 seconds

<em><u>Explanation </u></em>

The relationship between the vibration period "T" (in seconds) and the weight "w" (in kilograms) is given by...

T= 2\sqrt{\frac{w}{200}}

Given that, the weight(w) = 2.0 kilograms

So, <u>plugging w = 2.0</u> into the above equation, we will get...

T= 2\sqrt{\frac{2.0}{200} } \\ \\ T= 2\sqrt{\frac{1}{100} }\\ \\ T= 2*\frac{1}{10}\\ \\ T= \frac{1}{5}=0.2

So, the vibration period of the spring will be 0.2 seconds.

8 0
3 years ago
Three quarters of the ducks in a pond are mallards.<br> What percentage of the ducks are mallards?
max2010maxim [7]

Answer:

75%

Step-by-step explanation:

Mallards = 3/4 of the ducks in the pond

What percentage of the ducks are mallards?

percentage of the ducks that are mallards = 3/4 × 100

= (3 * 100) / 4

= 300/4

= 75%

percentage of the ducks that are mallards = 75%

7 0
3 years ago
Find the radius r of the sphere.
AleksandrR [38]

Given:

The volume of the sphere = 12348π in³

To find the radius of the sphere.

Formula

The volume of a sphere of radius r is

V = \frac{4}{3} \pi r^{3}

According to the problem,

\frac{4}{3} \pi r^{3} = 12348\pi

Eliminating π from both the side.

or, \frac{4}{3} r^{3}= 12348

or, r^{3}=\frac{(12348)(3)}{4}

or, r^{3}=9641

or, r=\sqrt[3]{9261}

or, r=21

Hence,

The radius of the sphere is 21 inches.

3 0
3 years ago
Read 2 more answers
Waldo paid $29.85 for 3 admission tickets to the Calgary tower satin ate the cost of one admission ticket
taurus [48]
Is that the whole thing or....
7 0
3 years ago
use the shell method to find the volume of the solid generated by revolving the region bounded by the given curves and lines abo
sukhopar [10]

Answer:

16π square units.

Step-by-step explanation:

Please refer to the graph below.

So, if we draw a representative rectangle, the width of the rectangle will be (x), and the height of the rectangle at each (x) will be given by f(x) - g(x).

By the shell method:

\displaystyle V=2\pi\int_a^bp(x)h(x)\,dx

We are integrating from x = 0 to x = 2. p(x) is x and h(x) is f(x) - g(x):

\displaystyle V=2\pi\int_0^2(x)((8-x^2)-(x^2))\,dx

Evaluate. Simplify:

\displaystyle V=2\pi \int_0^2(8x-2x^3)\,dx

Hence:

\displaystyle V=2\pi\Big(4x^2-\frac{1}{2}x^4\Big|_{0}^{2}\Big)

Evaluate:

\displaystyle \begin{aligned} V &= 2 \pi \Big[(4(2)^2-\frac{1}{2}(2)^4)-(4(0)^2-\frac{1}{2}(0)^4)\Big]\\ &=2\pi(8) \\&=16\pi\text{ square units} \end{aligned}

7 0
2 years ago
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