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Margarita [4]
2 years ago
14

I'm Mrs.Moores class, the ratio of boys to girls is 4:6. If there are 30 students in the class, how many girls are in class?

Mathematics
1 answer:
liubo4ka [24]2 years ago
5 0

Answer:

24

Step-by-step explanation:

6×5=30

6*4=24

you have to find more then half which would be 3:6 so it's more then 15 but less then 30

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8 0
3 years ago
The owner of a bookstore ordered 75 copies of a book and paid $1,350. The owner of another bookstore also ordered the same book
kherson [118]

Answer:

$18

Step-by-step explanation:

I did the following expressions:

1,350 / 75 = 18

1,080 / 60 = 18

4 0
2 years ago
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7 0
3 years ago
Consider a particle moving around a circle with a radius of 38cm. It rotates from 10 degrees to 100 degrees in 11 seconds. Calcu
kifflom [539]

Step-by-step explanation:

Given that,

Radius of circle, r = 38 cm = 0.38 m

It rotates form 10 degrees to 100 degrees in 11 seconds i.e.

\theta_i=10^{\circ}=0.174\ rad

\theta_f=100^{\circ}=1.74\ rad

Let \omega is the angular velocity of the particle such that, \omega=\dfrac{\omega_f-\omega_i}{t}

\omega=\dfrac{1.74-0.174}{11}

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We need to find the instantaneous velocity of the particle. The relation between the angular velocity and the linear velocity is given by :

v=r\times \omega

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v = 0.053 m/s

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6 0
3 years ago
Find the next three terms of each arithmetic sequence.
svp [43]

Answer:

(4) 29, 33, 37

(6) 53, 59, 65

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Step-by-step explanation:

6 0
3 years ago
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