2 years ago

Hii plss helpp quick i have 3 minn

Mathematics

1 answer:

Alexandra [31]2 years ago

8 0

1) 2.625 miles
2) 5.9 miles

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Rectangle EFGH is rotated 90° clockwise around the origin. What are the coordinates of the image point F?

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3 -5 on edg

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Hunter-Best [27]

El volumen que queda entre la esfera y el cubo es: 30.49cm^3

<h3>¿Como calcular el volume sobrante?</h3>

El volumen sobrante será simplemente la diferencia entre el volumen del cubo y el volumen de la esfera.

Para el cubo que tiene una arista de 4cm, el volumen es:

V = (4cm)^3 = 64 cm^3

Para la esfera con un diametro de 4cm, el radio es:

R = 4cm/2 = 2cm

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V' = (4/3)*3.141592654*(2cm)^3 = 33.51 cm^3

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V - V' = 64 cm^3 - 33.51 cm^3 = 30.49cm^3

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7 months ago

Sara is a drummer in her school is marching band she wants to make a geometrically similar model of a snare drum for her stuffed

strojnjashka [21]

Answer:

Option B.

Step-by-step explanation:

Let the radius of the snare drum = r

and radius of the model = R

Ratio of the dimensions of the snare drum and the model = 1 : 4

So, $\frac{r}{R}=\frac{1}{4}$

Now as per question, dimensions of the snare drum is multiplied by a scale factor of $\frac{1}{2}$

Radius of the snare drum = $\frac{r}{2}$

Ratio of the radius of the snare drum and cylindrical model ,

$\frac{\frac{r}{2}}{R} =\frac{1}{4}$

$\frac{r}{2R}=\frac{1}{4}$

$\frac{r}{R}=\frac{1}{2}$

Therefore, the cylinder with Sara's dimensions will be geometrically similar but the scale factor will be 1 : 2

Option B is the answer.

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2 years ago

The wavelength w, in meters per cycle, of a musical note is given by w=r/f, where r is the speed of the sound in meters per se

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B. Plug in the numbers and use common sense.

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