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Artyom0805 [142]

2 years ago

8

There's 754 students going to a field trip. There are only 23 buses. If only 4 students can ride each bus, how many buses will y

ou need to bring ALL the students ?

1 answer:

ddd [48]2 years ago

6 0

186 buses. The answer is 188.5, but you cannot ride in 188 and a half buses.

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A brick of mass 4 kg hangs from the end of a spring. When the brick is at rest, the spring is stretched by 3 cm. The spring is t

Zielflug [23.3K]

Answer:

Step-by-step explanation:

In this system we have the force of the spring and the gravitational force. The equation that describes that is

$F_{s}+F{g}=ma\\k(y_0+y)-mg=ma$

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$ky_0+ky-mg=ma\\mg+ky-mg=ky=ma\\\\ky=m\frac{d^2y}{dt^2}\\\\my''+ky=0$

the solution for this differential equation is (by using the characterisic polynomial)

$y(x)=Acos(kt)+Bsin(kt)\\k=\omega^2m$

hope this helps!!

7 0

2 years ago

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1 2/3 diveid by 4/5?

Rina8888 [55]

Answer:

$\frac{5}{3}$

Step-by-step explanation:

If you would like me to explain let me know in the comments.

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2 years ago

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Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. brands of cereal

Blababa [14]

This is an example of a nominal level of measurement.

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2 years ago

What is the answer?<br><br> Y=x-6 and y=2x

Rashid [163]

$\begin{cases}y=x-6\\y=2x\end{cases}\implies~x-6=2x\implies~x=-6$

which means

$y=x-6=y=-6-6=-12$

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Answer:

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Step-by-step explanation:

simplify it the equation

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2 years ago