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charle [14.2K]
3 years ago
5

...........................................................................answer this quickly plz .............................

.........................

Mathematics
2 answers:
dem82 [27]3 years ago
6 0

Answer:

Approximately 12 days.

Step-by-step explanation:

No. of days = 2214.5/(9x21.14)

= 2214.5/190.26

= 11.6

Mamont248 [21]3 years ago
4 0

Answer:

hg

Step-by-step explanation:

hggf

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raketka [301]

Step-by-step explanation:

( 12 : 4 : 8 ) ÷ 24 = 1/2 : 1:6 : 1/3

7 0
3 years ago
The rectangle below has an area of x^2-4x-12 square meters and a length of x + 2 meters. Which represents the width of the recta
zaharov [31]
The answer is 7.-2 I just did this question
7 0
3 years ago
Hi! how do i find surface area of a cylinder? for some reason i can’t get the right answer
asambeis [7]
SA=2\pi r^2+2\pi rh

Use the formula above to find the surface area of a cylinder.

For the given cylinder the given data is the height (6mi) and diameter (16mi), use the diameter to find the radius:

\begin{gathered} r=\frac{d}{2} \\  \\ r=\frac{16mi}{2}=8mi \end{gathered}

Surface area:

\begin{gathered} SA=2\pi(8mi)\placeholder{⬚}^2+2\pi(8mi)(6mi) \\ SA=128\pi mi^2+96\pi mi^2 \\ SA=224\pi mi^2 \end{gathered}Then, the surface area of the given cylinder is: 224π square miles

5 0
1 year ago
Multiply.
alina1380 [7]

Answer:

2/4 or 1/2

Step-by-step explanation:

i used a numbers chart to break the numbers down.

5 0
2 years ago
The blades of a windmill turn on an axis that is 35 feet above the ground. The blades are 10 feet long and complete two rotation
Alona [7]

Answer:

h = 10sin(π15t)+35

Step-by-step explanation:

The height of the blade as a function f time can be written in the following way:

h = Asin(xt) + B, where:

B represets the initial height of the blade above the ground.

A represents the amplitud of length of the blade.

x represents the period.

The initial height is 35 ft, therefore, B = 35ft.

The amplotud of lenth of the blade is 10ft, therefore A = 10.

The period is two rotations every minute, therefore the period should be 60/4 = 15. Then x = 15π

Finally the equation that can be used to model h is:

h = 10sin(π15t)+35

5 0
3 years ago
Read 2 more answers
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