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svlad2 [7]
2 years ago
14

Ana made 12 rainbow loom bracelets in 3 hours. how many can she make in 15 hours

Mathematics
2 answers:
gizmo_the_mogwai [7]2 years ago
5 0
12 bracelets in 3 hrs.....12/3 = 4 bracelets per hr

in 15 hrs...
15 * 4 = 60 <=== she can make 60 bracelets
bekas [8.4K]2 years ago
4 0
To solve this, we must see a ratio between 3 hours and 15 hours.

12/3=x/15
15 is 5 times larger than 3. Therefore, if we multiply 12 by 5, we will know how many bracelets Ana can make.

12×5= 60

Therefore, 60 bracelets can be made in 15 hours
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dusya [7]

Answer:

Scientist's do just general things anyone else would do to solve a problem.

Step-by-step explanation:

Scientists use their senses to observe

Scientists measure things, including distances, and weights.

Scientists also communicate their findings with other scientists and with the public.

If you have any questions feel free to ask in the comments.

4 0
3 years ago
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The diagram above shows a rectangle inscribed in a circle AB=10 and AC =12 caculate the total surface area of the shaded part
erastova [34]

Answer:

71.63 \: \: \mathrm{cm^2 }

Step-by-step explanation:

Once we know the diameter of the circle, we can figure out the problem.

The diameter of the circle = The diagonal of the rectangle inscribed in the circle

To find the diagonal of the rectangle, we can use a formula.

d=\sqrt{w^2 + l^2}

The width is 10 cm and the length is 12 cm.

d=\sqrt{10^2 + 12^2}

d \approx 15.62

The diagonal of the rectangle inscribed in the circle is 15.62 cm.

The diameter of the circle is 15.62 cm.

Find the area of the whole circle.

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The r is the radius of the circle, to find radius from diameter we can divide the value by 2.

r = \frac{d}{2}

r=\frac{15.62}{2}

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A=\pi (7.81)^2

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Subtract the area of the whole circle with the area of rectangle to find area of shaded part.

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5 0
2 years ago
A right triangle has a hypotenuse of length 9 inches. If one angle is 35 degrees, find the length of each leg.
Montano1993 [528]
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3 years ago
Can someone please help
Fynjy0 [20]

Answer:

angle C = 78

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Step-by-step explanation:

the measure of angle A is 102

To find the measure of angle C

let Angle C be x

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angle D = 108 (vertically opposite angles are equal)

8 0
2 years ago
Help please? Thank you!
adoni [48]

Answer:

The first answer should be the 3rd one.

The second answer should be the first one.

Step-by-step explanation:

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