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2 years ago

Can you guys help, me, please thank you in advanced.

Mathematics

2 answers:

alexandr402 [8]2 years ago

8 0

Answer:

hi guy the answer of that lady is correct, but the question is so ridiculous

Lerok [7]2 years ago

7 0

so let's take a circle with radius (r) = 3cm

Area of the circle = πr² = 3.14 × 3² = 3.14 × 9 = 28.26cm²

hope it helps...!!!!

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5. given the vector [-5,12], find each of the following vectors. a. same direction, twice as long. b. same direction, length 1 (

pshichka [43]

The vectors are listed below:

v = [- 10 / 13, 24 / 13]
v = [- 5 / 13, 12 / 13]
v = [50 / 13, - 120 / 13]

<h3>How to derive the expressions of vectors</h3>

Vectors are characterized by magnitude and direction. The magnitude is a scalar and the direction by a ordered pair, whose formula is shown below:

v = k · u

Where u is a unit vector, that is, a vector of length 1.

Now we proceed to determine each vector:

a) The equation of the vector:

r = √[(- 5)² + 12²]

r = 13

k = 2

v = (2 / 13) · [- 5, 12]

v = [- 10 / 13, 24 / 13]

b) The equation of the vector:

v = (1 / 13) · [- 5, 12]

v = [- 5 / 13, 12 / 13]

c) The equation of the vector:

v = (- 10 / 13) · [- 5, 12]

v = [50 / 13, - 120 / 13]

To learn more on vectors: brainly.com/question/4579006

#SPJ1

5 0

2 years ago

Martina made 6 identical necklaces, each having beads and a pendant. The total cost of the beads and pendants for all 6 necklace

yulyashka [42]

Answer:

1 pendant costed $2.1.

Step-by-step explanation:

=> 1 bead = $2.3
=> 6 beads = 2.3 x 6
=> 6 beads = $13.8
=> 26.40 - 13.8
=> 12.6
=> 12.6 ÷ 6
=> $2.1

Conclusion:

Hence, 1 pendant costed $2.1.

Hoped this helped.

$BrainiacUser1357$

5 0

2 years ago

Sé que esta pregunta es muy fácil, pero el español no es mi primer idioma, así que para mí no lo es.

anygoal [31]

A) 749: setecientos cuarenta y nueve , 503: quinientos tres , 421: cuatrocientos veintiuno

B) 400: cuatrocientos , 639: seiscientos treinta y nueve , 401 : cuatrocientos uno

C) 110: ciento diez , 347 : trescientos cuarenta y siete , 003 : cero cero 3 o también puede ser tres

D) 548: quinientos cuarenta y ocho , 312 trescientos doce

E) 2365 : dos mil trescientos sesenta y cinco , o también puede ser , 2: dos , 365: trescientos sesenta y cinco .

El español es mi primera lengua , espero que esto te haya ayudado , tengo una pregunta en mi perfil , si tu idioma es el inglés ayúdame por favor :)

3 0

3 years ago

A 1.5 kilogram lab cart accelerated unitorily from rest to a speed of 2.0 meters per second in 0.50 second What is the magnitude

NISA [10]

Acceleration = (change in speed) / (time for the change)

Change in speed = (speed at the end) minus (speed at the beginning.

The cart's acceleration is

(0 - 2 m/s) / (0.3 sec)

= ( -2 / 0.3 ) (m/s²) = -(6 and 2/3) m/s² .

Newton's second law of motion says

Force = (mass) x (acceleration) .

For this cart: Force = (1.5 kg) x ( - 6-2/3 m/s²)

= ( - 1.5 x 20/3 ) (kg-m/s²)

= - 10 newtons .

The force is negative because it acts opposite to the direction
in which the cart is moving, it causes a negative acceleration,
and it eventually stops the cart.

3 0

3 years ago

The graph of a linear function is given below. what is the zero of this function ?

Vitek1552 [10]

Answer:

I'm pretty sure it B -3/2 because u start at -2(x) and go down 3 and right 2 and end at -2(y)

Step-by-step explanation:

Im sorry if u get it wrong plz tell me the right answer.

3 0

3 years ago

Can you guys help, me, please thank you in advanced.​

Can you guys help, me, please thank you in advanced.